PTE P2A TTT User Manual
Contents
1. RASS S4 1 ae f Video analysis Data Recording Local Plot SR Uplink Mechanical Analysis TTT User Manual PTE P2A Table of Contents Table of Contents Volume 7 Chapter I Introduction 1 0 Introduction 1 1 Scenario Generating and Recording 1 2 Azimuth Slaved Recording 2 0 Connections 3 0 4 0 Chapter II 1 0 2 0 3 0 2 1 Connecting for Scenario Generation and Recording 2 1 1 General 2 1 2 Rf Interface Warning 2 1 3 S1 interface 2 1 4 52 interface 2 2 Connecting for Azimuth Slaved Recording Software Version Description Reference Documents from Intersoft Interrogation Scenario Generator Introduction General Structure of a Scenario Model A Scenario Principle of TTT Generation and Recording Interrogation Scenario Generator Tool 2 1 User Interface Overview 2 1 1 Interrogation level 2 1 2 Period level 2 1 3 Pattern Level 2 1 4 Run Scenario Level 2 1 5 General 2 2 Starting the Tool 2 3 Entering Interrogations 2 4 Entering Periods 2 5 Entering Patterns 2 6 Entering The Run and Scenario 2 7 Compiling Example scenarios Chapter HI TTT Main Driver 1 0 Introduction principle of TTT generation and recording 2 0 TTT Main Tool Vol7 Table of Contents v4 1 1 30 03 2000 2 1 User Interface Overview2. The display has been given a zoom function which can be used to verify the accuracy of the PDM BITE pulses For example the first pulse is 20us high almost corresponds to a P6 pulse and the drop over this time should stay within the specified accuracy Make sure to enter the proper attenuator values for the input of the PDM modules Default this should be 60 dB namely 40 dB of external attenuator values plus 20 dB of the POEMS coupler Once this is done click the Calibrate button which copies the sampled AD values and equalises the sampled data values towards the preset power values y inak dadon Volume TTT User Manual Chapter V Window Based Video Recording V 15 Once calibrated click the OK button and reply to the following dialog AN Attention Disconnect the calibration dongle before proceeding Wait 20 seconds Now you Must disconnect the calibration dongle and wait for 20 seconds for the signal to disappear The calibration window remains open as long as the signal is present and warns you with this message in the status bar Waiting for calibration signal ta end Once the calibration window is closed it is safe to connect the PDM modules to the radar 4 2 5 Setting up Parameters 4 Select the start Azimuth for the recording window and enter the Window width Az lt gt Beware the window can not contain more than 512 interrogations interrogations Azimuth width 360 IPR
3. window az start 45 00 ACPR 12 bit gt Also the video trigger level of Ch1 has to be selected Triggering is only performed on data of Chl Note that changing the trigger level while recording will cause a restart at the next north Trigger level 207 soso Uae de 0 5 4 dai q J 5 Now start the program using the Start button in the top left corner of the window This is the Viewing mode of the program in which no recording is performed FED g Volume 7 TIT ChV RVR v4 1 21 12 1999 Q A RVR vA ee OE TTT User Manual Chapter V Window Based Video Recording V 16 TTT _ windowed _recording vi Chi Signal 9 A 7 o 46 0 470 48 0 490 500 510 520 4CPR 12 bit 7 Range aa Azimuth Voltage ie e xes oso oo ES SA EREE a 14 28 10 000 f 29 07 1999 e Update 4 4 Stack ELME Scale __Y video w Wideo Kind ints logged b 20 0 40 0 Trigger lewel FS 20 z000 Soso v 1 20 0 I I I I I I I I I I 45 0 46 0 47 0 45 0 490 50 0 51 0 52 0 53 0 54 0 54 es A average oer tars ae aay ty deg offset 2 fy ohh Che The Azimuth indicator will start turning The blue needle indicates the current Azimuth of the radar system The green pie is an indication on the position of the Azimuth window 6 If the Azimuth indicator does not start rotating make sure the ARP and ACP pulse is connected to the RVI and all other connections are pr
4. A 20dB medium power attenuator Power Average 20W Max Power Peak 1kW Max DC 4GHz 20 0 254B DC 3GHz VSWR 1 1 DC 1GHz 1 15 1GHz 4GHz Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision 2x Attenuator Mini Circuits NAT 10 60 29 1 Note that this component has the same package as the NAT 20 21 of the next paragraph A 10dB low power attenuator DC 6GHz 10 0 2dB 0 225W Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision This attenuator should always be used in combination with the Narda 766 20 This attenuator is meant for low power radars 2x Attenuator Mini Circuits NAT 20 21 29 1 A 20dB low power attenuator DC 2 1GHz 2040 3dB 0 2W Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision This attenuator should always be used in combination with the Narda 766 20 This attenuator is meant for high power radars 2X BNC T adapter TTT Ch V RVR v4 1 21 12 1999 Z nak dedos Youn TTT User Manual Chapter V Window Based Video Recording V 6 1X BNC cable 3m red p 1X BNC cable 3m green o 2X DB9male DB9Female 3m Power Supply Cable aren B9male Calibration Dongle nge a A 1X 4 s 4 AEREE 1X DB15male DB15female 15cm ACP ARP isol
5. 3 0 Setting up the Windowed Recording Equipment 3 1 Components A complete configuration contains the following elements 1 The Radar Video Recorder ued its accessories Radar Video Recorder RVR183 mains power cable SCSI 50p 50p cable SCSI terminator 2x 2m RG223 cables 1x 5m RG223 cable 2x 270 MB or 1 GB cartridges nk 5 E haek dadventas__Volume gt m TTT Ch V RVR v4 1 21 12 1999 TTT User Manual Chapter V Window Based Video Recording V 4 2 The Radar Video Interface and related cables Radar Video Interface RVI299 1x 2m 15p interface cable to connect the digital signals between RVR and RVI 1x 2m 15pHD to 5x BNC to connect the analog signals between RVR and RVI 2x 2m 15pHD to 5x BNC to connect digital and analog radar signals to RVI inputs 1x 2m 15pHD to 5x BNC spare Connection cables between RVR and RVI analog left and digital right also included but beyond the scope of the measurement 1x 3m15pHD m to 15pHD m RVI RIU connection To distribute timing signals RVI RIU RFT cable 3 Two PDM modules with additional accessories 2 x Power Detection Module Serial number 29 1 TTT Ch V RVR v4 1 21 12 1999 5 m EO 3 5 init laconic maA TTT User Manual Chapter V Window Based Video Recording V 5 2 x Attenuator Narda 766 20 29 1 gt PES WE gt x 7 g E Silene ee l K f y TE ae E ia g fa lt o
6. Make sure the two PDM outputs are connected to the RYR using the 50 Q terminators Then connect the calibration dongle to the PDM modules When ready Click Ok Cancel halts the calibration procedure and continues with scenario generation Next you should see the PDM test patterns in the calibration window o Calibrate PDM vi Waiting for calibration signal to end Ser Nr Chi 8 Att Chi 2 40 0 dB 45 0 40 0 _ Max Chi 44 0 35 0 Min chi 24 0 30 0 25 0 Ser Nr Ch2 9 AttCh2 40 0 gp 20 0 I I I L I I I pm 0 00 2000 40 00 6000 80 00 10000 120 00 140 00 MaxCh2 44 0 ER KB he eE Min Ch2 24 0 ee eyi w You can select the Y scale of this picture in two modes ADs or dBms using the Y scale dem selector ee Once put in dBms the minimum and maximum signal strength should read 4 and 16 dBm plus the attenuation values of both channels The principle behind this calibration is that internally the amplitude of the two levels in the test pulses are matched with the video amplitudes of a Mode S interrogation sampled at 4 or 16 dBm In fact this procedure eliminates external influence such as cabling termination AD convertor of RVR etc The two AD values for the two levels are sampled and referenced towards the two power levels Make sure to enter the proper attenuator values for the in
7. 11 10 2 3 Entenng Intenogations TTT Ch II v4 1 21 12 1999 5 Now start by editing the interrogations For this purpose clock the Interr tab on the tab bar Interrogation Scen Gen vi Ol Interr Interrogation Name Inter Kind UF Code UF 20 EAttenuation o dB QAttenuation 0 dB 1500 1250 SumPh 1000 Control H 750 500 250 0 I I I I I I I 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 J eee een The interrogation list shown on the right hand side of the window always contains 18 interrogations A default set of interrogations is preprogrammed to accommodate the demonstration scenarios created by EC for the TTT Acceptance The first 8 are reserved for SSR and Intermode interrogations the last 10 are reserved for Mode S The user can not change this reservation The user is free to program the 18 interrogations to his own imagination except for the limitation that at least 2 short Mode S interrogations must be present in the list and only the last 10 can be used for Mode S interrogations First select an interrogation from the list The corresponding data is shown on the right hand side e Mode 1 2 3 A C A SP4 A LP4 C SP4 C LP4 Interrogation Interrogation Mame Mode 1 Mame Inter Kind Mode A S all call Mode 4 LP4 long F4 Inter Kind o F Z Attenuation
8. Checklist 4 1 Procedure The window based interrogation recording will be made in three steps a Hardware connections b Start of video recording c Video contents analysis Corresponding to each step one or more programs virtual instruments will be used a b _ TTT windowed recording vi This program will setup all the parameters for the video recorder test the trigger ACP and ARP signals and log the video signals to the internal hard disk c View TTT Windowed vi This program is used to retrieve the logged data from file and make detailed analysis of the data 4 2 The Windowed Recording Program 4 2 1 Program Functionality This program has the following functions 1 Setup the correct parameters in the video recorder so that the digital and analog signals can be recorded 2 Lock on to the revolutions of the radar so that the correct ACP and Azimuth value is known at any given time This is done using a sort of PLL routine locked to the ARP value The program will indicate this using a turning indicator showing the radars absolute Azimuth in real time 3 Measure the radar s interrogation per revolution rate ACP per revolution and revolution count 4 Defining the logging window The radar video recorder samples in windows with limited Azimuth and range The range depth of the window is limited to 34 us which can contain the longest type of Mode S interrogation The Azimuthal width of this window is limited t
9. 4 Period 3 Model4 Period S Allal 4 Period 4 Model4 Period Allal 4 Period 5 Hode lA Period Allal 4 Delay 2500 es Period Period 1 Model A F Duration S000 ae Total Time 40000 pE Volume 7 iliac dadronies TTT User Manual Chapter II Interrogation Scenario Generator II 6 2 1 4 Run Scenaro level At this level the user can define several different patterns and their respective repetition rates Typical patterns will be background or exceptional The run is not drawn in a graph on the scenario generation window since the high load may result in a crowded display The last level Scenario is in fact nothing more than a run combined with a repetition factor and therefore it is combined with the Run level in the user interface Each scenario is given a unique name by the user and can be saved or loaded from file Run Scenario EB 0 a Pattern 5 AETV Pattern Pattern ModelA w 1 Repitition Scenario TTT Ch II v4 1 21 12 1999 y iae dadon e7 TTT User Manual Chapter II Interrogation Scenario Generator II 7 2 1 5 General A last bullet on the Scenario Generators user interface is General This allows the user to enter the scenario folder plus some additional parameters such as simulation power and revolution speed etc The tool will furthermore allow the user to print a list of interrogations or scenarios After scenario
10. 5i olume 7 imtersol Heleco micz PERA TTT User Manual TTT ChI v4 1 21 12 1999 Chapter I Introduction I 3 Decode Mode LED s 2XD A gt s4 RVR E Ba 52 RVR On Off switch Figure 1 1 2 overview of the internal diagram of the RTI As explained Output 1 has a double function The Output1 can be used for the S1 transmitter Sum amplitude and Omega amplitude are modulated on or off Sum phase is always digital in the RTI Termination resistor 50Q PDM TT 0 2V Transmitter Rf S1 Rin 75Q Figure 1 1 3 RTI Connections for S1 The Outputl can also be used for the RTI BITE function RTI self test This function is used to test the TTT output patterns Sum amplitude and Omega amplitude are looped back to Chl and Ch2 of the RVR instead of using the PDM modules in combination with a transmitter This allows to check to output pattern to both suppliers For non modulated transmissions S1 this output will have one discrete on level for modulated transmissions S2 this output will be analog Sum and control amplitude are scalable for S2 Termination resistor 50Q 0 2V 7 Figure 1 1 4 RTI Connections for BITE function Warning Because of the double use of Outputl modulated or unmodulated make sure to select the correct mode in software TTTmain check box override attenuation command E tase Gladrvenfies _Youme7 5i TTT User Manual Chapter I Intr
11. I l I I l i i 20 000 20 250 20 500 20 750 21 000 21 250 21 500 21 750 22 000 Power dBm An histogram shows the number of hits occurrences of a specific data item in a particular bin The size of this bin is defined by the user as well as the number of bins Data from one of the two axis In this case Power versus Azimuth so a selection between power and azimuth is offered can be selected using the selector in the top right corner of the window Power dEm a lt Power dBm Also the layer of graph if available can be selected using the selector in the middle top of the window e g P1 P2 Int power The following settings can be done in the histogram function Relative or absolute value representation js Absolute G Relative inak cladwvanfes Volume 5i TTT User Manual Chapter IV Interrogation Analysis IV 12 Cumulative value representation _ Cumulative Bin size value The Bins indicator is directly coupled with the Bin size value since the complete range of the data is fixed by the X scale of the histogram which in turn is copied from the original selected section of the input graph 10 000 Bin size 20 Bins Boundary inclusion lower Inclusion These parameters can be altered at any time and this will result in an immediate recalculation and redisplaying of the histogram Some statistics are automatically calculated on the selected dat
12. Testpulses generated by the PDM BITE function The PDM has a measurement resolution of 0 1dB using the RVR 8 bit ADC in the 0 2V to 2 2V range 107 steps per volt This results in a range of 20dB for a corresponding PDM output voltage of 0 to 2 volt gives 213 steps or 0 1 dB step The Log receiver has more than 70dB range To reach this output range the PDM output is zoomed in from the total 70dB range to a 20 dB range by using opamps This detailed output still allows to monitor the complete modulation range of the transmitter The graph below shows the relation between the zoomed range and the full range E arse Gladrveniies__Youme 5i TTT User Manual Chapter I Introduction I 7 Range used on the 16dBm to 6dBm output 780 50 40 30 20 0 10 20dBm N aoon MEERES o 4 TUT O OAT a T T Zr e nt 20dB att ONLI re TERARI SAEN Pett CEPT Erery 80 70 40 50 E 30 20 10 INPUT AMPLITUDE d m Figure t Typical Logarithmic Response and Error vs input Amplitude q Range used on the gt 70dB output 50 to 20dBm Figure 1 2 4 Ranges used for both outputs of the PDM The detailed connections are discussed in this chapter V About how to use the system more information can also be found in Chapter V 2 0 Connections 2 1 Connecting for Scenario Generation and Recording 2 1 1 General Following components are used for the setup 1 The Radar Video Recorder and its accessori
13. The input power of the PDM must lie between 16 and 4 dBm so the powers must be attenuated until a match is reached A POEMS radar with 51 to 63 dBm output power is coupled using a 20 dB coupler Use the 20 dB power attenuator NARDA and the 20 dB N type attenuator to reduce the power to 9 to 3 dBm which in turn can be measured by the PDM modules Please take grate care when working with Rf powers Mistakes may cause damage Make sure that the transmitter is terminated properly 50Q with an appropriate terminator enough power Section 2 1 2 of this chapter discusses the Rf interface Also the input lines of the transmitter are connected as described in figure 2 1 1 1 TE 5 E haek daone ee lt m TTT User Manual Chapter I Introduction 1 14 2 1 2 Rf Interface Waming Warning when wrong connections are made damage might occur to the Rf section of the TTT system Please calculate your power budget carefully Make sure that the transmitter is terminated properly 50Q with an appropriate terminator enough power Below 2 budget calculation are given one for a radar with a power between 2 to 4kW and one for a radar with a power between 200 to 400W 1 With a power of 2 to 4 kW lt 4kW we need to insert two 20dB attenuators after the 20dB directional coupler before connection to the PDM mi Antenna l c 3 ej S 6dBm to 16dBm TOA am 3 6dBm z 43 46 23 26 20d
14. poset 14 Black Trigger in P1 P3 Figure 5 Interrogation Windowed recording using RVR and RVI setup When RVR and RVI are connected power up the Radar Video Recorder Both RVR and RVI have a power led indicator After 30 seconds to allow the RVR internal harddisk to spin up also the host computer may be booted TTT Ch V RVR v4 1 21 12 1999 E hank dados Youn TTT User Manual TTT Ch V RVR v4 1 21 12 1999 Chapter V Window Based Video Recording V 10 STEP 3 Connect the radar signals to the PDM module The PDM modules must be connected to the coupler outputs of the Radar under test The input power of the PDM must lie between 16 and 4 dBm so the powers must be attenuated until a match is reached e g A POEMS radar with 51 to 63 dBm output power is coupled using a 20 dB coupler Use the 20 dB power attenuator NARDA and the 20 dB N type attenuator to reduce the power to 9 to 3 dBm which in turn can be measured by the PDM modules Please take grate care when working with Rf powers Mistakes may cause damage Make sure that the transmitter is terminated properly 50Q with an appropriate terminator enough power Connecting the radars timing signals The RVI provides signal conditioning for the digital radar signals needed to perform the measurement The digital inputs are fed into a comparator circuit with hysteresis The threshold level is adjustable from 1V up to 20V Input impeda
15. 000 8 000 8 806 he Eroro ea e627 EJ K FF eyi x deg At the bottom of the window there are some analysis and display settings which become available upon selection of a specific analysis type Analysis parameters Info CA Interrogation detaili 4 Display A UF 4 PC 1 RR 2 DIR S 0 ppe i 0 44 125456 Y scale Stagger Time W Tx power Azim 22 39 deg Ref All Call w dt 8 84994 00 es Tolerance dE Tolerance2 23 dE Apply Filter _ RC Reply ii TE naek dadrenies volume TTT User Manual Chapter IV Interrogation Analysis IV 4 3 2 Starting the Tool 1 Load the Interrogation Analyser tool from the RASS S PTE toolbox The P2A version allows additional analysis and use of TTT session result files For this option the P2A software must be installed on your computer TTT Interrogation Analyser PLA Interrogation Scen Gen wi TTT ain wi TTT windowed recording wi View TTT w indowed wi 2 Run the Interrogation Analyser tool using the button in the upper left corner of the window 3 Select an interrogation log file by clicking the Browse button or by entering a file path name Interrogation recording files are stored in the P2A INTERROGATION folder FATS Playstatio z Beet D fat5 ints Please select a logfile fat5 ints Cancel View All 1E1998 The file size will be di
16. 11 PR 0 1l 2 A A FFFFFF 3 518700 149 342 FE TIT ChIV v4 1 1 21 03 2000 Volume 7 fie dadrentcs TTT User Manual Chapter V Interrogation Analysis IV 8 also be printed or exported by clicking the print table button The following esa will appear PrintTables vi Interrogation Stagger 8 191579 129 916 1 FFFFFF UF 11 PR 1 ll 1 AA FFFFFF 8 194942 130 020 1 39034C UF 4 PC 0 RR 17 DI 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 39034C 8 195230 130 036 1 39030A UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 390304 8 195392 130 047 1 390340 UF 4 PC 0 RR 17 DI 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 390340 8 195998 130 080 1 390208 UF 4 PC 0 RR 17 DI 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902D8 8 196526 130 113 1 390294 UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 390294 8 201827 130 432 1 FFFFFF UF 11 PR 1 ll 1 AA FFFFFF 8 205190 130 635 1 39034C UF 5 PC 0 RR 18 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 39034C 8 205478 130 651 1 39030A UF 5 PC 0 RR 18 DI 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 39030A 8 205640 130 662 1 390340 UF 5 PC 0 RR 18 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 390340 8 206246 130 6951 390208 UF 5 PC 0 RR 18 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902D8 8 206774 130 7281 390294 UF 5 PC 0 RR 18 DI 1 IIS 3 MBS 0 MES 0 LO
17. 12 Use the Done button to stop program execution and continue with other RASS S PTE functions ol Done Alizee dadeni Volume TTT Ch V RVR v4 1 21 12 1999
18. 21 12 1999 naek elacduoniigs Volume 5i TTT User Manual Chapter II Interrogation Scenario Generator II 1 Chapter Il Interrogation Scenano Generator 1 0 Intoduction The Interrogation Scenario Generator tool was created to allow the user to enter different scenarios for the Transmitter Test Tool By defining interrogations periods patterns and runs the user can define a wide range of interrogation scenarios It is possible to generate 18 different interrogations in one scenario Mode 1 2 A C ALP4 ASP4 CLP4 CSP4 plus 10 long short Mode S Each interrogation has it s own attenuation setting fixed per interrogations A total of 18 interrogations and thus 18 attenuation settings can be generated General Structure of a Scenario A hierarchical structure is defined for the scenario e The lower and first level is Interrogation which is a set of pulses P1 P2 P3 P4 P5 and P6 depending on the type of the Interrogation Each pulse has to be transmitted either on the sum and or the control channel The user can chose between different types of Interrogation SSR Intermode 3A C 1 2 short and long Mode S The duration of an Interrogation depends on its type For Mode S Interrogations the user can chose between 10 different P6 data contents which are themselves user defined A user friendly user interface is present for inputting the data e The second level is Period which is a period of time less
19. 520 D 55 Azimuth Range Voltage ACPR izbit es esje xes oso eoo EENE a5 oram MS Sth gt 14 28 10 000 o a 29 07 1999 oo e Update 4 y Stack ELMs Seale vvideo e Video Kind ints logged b J Trigger level 0 0 1 0 I l l l l l l 0 1 2 0 10 0 15 0 20 0 25 0 z0 0 32 Wes E average Rimi cht gt WW EEEE at deg offset oe Che j 2 A calibration of the PDM modules is needed to rescale the values from measured ADs in the RVR in to dBs for the Radars Transmitter power By clicking the Calibration button a window will appear to sample the calibration data of the PDM modules 3 After recording the recorded interrogation windows can be viewed using the View TTT Windowed window The tool can be loaded by selecting View Windowed Video under the Video Analysis menu Its main function is to display the actual recorded video for az irae Gladventtas Younes TTT Ch V RVR v4 1 21 12 1999 5i TTT User Manual Chapter V Window Based Video Recording V 3 analysis OD yjew_ M_Windowed vi 1 1 I I I I I I 450 460 470 480 490 50 0 510 520 530 540 2 0 0 14 0 3 os 10 1518 ie ey Alt X 50 44 Jo 12 Jooo mE Wels vot o I 1 I I I iI I I 45 0 460 470 480 49 0 50 0 51 0 520 53 0 540 548 _ A deg Time of recording 11 35 55 018 ale EJ 55 49 E Width bo rel Date of recording 23 07 1999 p a 0 25 25 as abs test int rec2 win
20. E rol Pattern v 1 Pattern Pattern S AllCal A w z 1 Repitition Scenario 1 Two main items can be seen in the Run field 1 The list with patterns in the Run 2 The scenario repetition factor The first item is the list with patterns By default two patterns are defined in the scenario Both patterns are shown using the Pattern menu selections Each Pattern has its own repetition factor The user can select any pattern previously defined from the menu under the pattern selection Fattern M v Pattern C Pattern 5 AllCal A Pattern 5 AllCall C Pattern ASS LP4 Pattern C 5 LF4 C Pattern UF11 A UF4 Pattern UF11 C UF24 Pattern UF11 A 6UF4 Pattern UF11 C 6UF24 Pattern Duty 1 Pattern Duty 2 Pattern Random Hew Pattern UELHS Once the two patterns are defined the run is defined You can enter a name for the run by typing it in the name field es Next enter the scenario repetition factor Repitition Scenario i Now all data for the scenario is defined As previously mentioned basically a run consists of two patters defined by a Background and a foreground pattern IE added additional functionality to this by allowing the user to enter multiple patterns in a run This can be done by paging through the list of patterns using the Pattern index control A Pattern Pattern S AllCal A w z 1 pattnni Haitern A bn E Sa Renee To enter multiple patte
21. Interrogation Mame UF 11 Inter Kind Medes 7 UF Code UF 11 PR O I 2 4A FFFFFF EAttenuation o dE Oi aAttenvation dE AAAF FFFFFF Sum SumPh Control aoe Me e F iy et std I I I I I I I I Ta 100 12 5 135 0 17 5 20 0 22 5 25 0 27 5 30 0 Eb eo OL lt gt 2 1 2 Penod level TTT Ch I v4 1 21 12 1999 This level allows the user to create a number of periods or sequences of interrogations within a predefined time frame The generation can be manual or random In a manual generation the user can create the period by selecting an interrogation template from a menu and putting it in the list of interrogations at a predefined time In random mode the user defines how many Mode S short or Mode S long sequences of interrogations are to be generated within the period The random period is generated at compilation time and can not be changed since it is required for each random period to be unique A Pseudo random period can also be generated using the randomising button This implies that the period is generated according to the random rules but is filled immediately in the period and as such it is fixed placa dadrentes Volume 7 TTT User Manual The result of the manual Chapter II Interrogation Scenario Generator II 5 or pseudo random period editing can be viewed in an interrogation graph showing type of interrogation and inter arrival time versus t
22. Pattern UF11 4 6UF4 Pattern UF11 C 6UF24 Pattern Duty 1 Pattern Duty 2 Pattern Random New Pattern UELMS Continue editing other patterns until you have sufficient Building blocks to create your scenario Patterns can be cut copied or pasted from and to the the list using the Cut Copy and Paste buttons in the main toolbar The pattern data can be visualised in the graph in the lower side of the window using the stagger display representation This methods shows each type of interrogation in a different colour or symbol with the X scale representing time in us and the Y scale representing Time between two consecutive interrogations 229 3 4 gt 200 a a Bs G gt a o oo b Sm Ja D a o a a e aii w a UF 11 gt 150 a o a a a a a o a ou ar 125 j e ao Pum a a A WR a P o neo os 8 o 100 Fe a b Mii 5 Ka u b a non aa UF 5721p 75 4 g3 s ng z Other a l l l l I l I 5000 0 7500 0 10000 0 12500 0 150000 17500 0 19772 0 Be E seco m Il lt gt z Reference Any Ww 1 1 0 0 2500 0 EP a ER For details see 2 4 Entering Periods Volume 7 TTT User Manual Chapter II Interrogation Scenario Generator 11 20 2 6 Entenng The Run and Scenario 8 Finally we need to define the Run and scenario repetition parameters For this purpose click the Run tab on the tab bar Run Scenario a
23. Power SIS S Interrogation LSS UF RRS RL PR AQ I PC MA RR NC DI RC SD MC IIS MBS For the field S Interrogation a hexadecimal representation of the interrogation can be used as filter criteria The filter supports and wild cards selects all that follows replaces a specific half byte Beware for Azimuth data e g Azimuth 0 360 gt 45 AND Azimuth 0 360 lt 90 uses the wrapped azimuth all ints with azimuth between 45 and 90 degrees for any scan are selected Linear Azimuth gt 45 AND Linear Azimuth lt 90 uses the unwrapped azimuth all ints with azimuth between 45 and 90 degrees for the first scan are selected Scan nr gt 2 AND Scan nr lt 3 select all interrogations of scan 2 Scan nr gt 2 1 AND Scan nr gt 2 2 selects all interrogations of scan 2 between 36 and 72 degrees Once defined the filter must be activated Check the apply filter check box Apply Filter M4 in the main window to activate the filter When paging through the data or making analysis only the interrogations which comply with the search criteria are be displayed or processed 5 Throughout the tool data is presented in a table e A zz10100 iass55j0 FFFFFF UF 11 PR 0 1 2 4A FFFFFF E 3 310600 148 9770 FFFFFF UF 11 PR 0 1 2 AA FFFFFF ee FFFFFF JUF 11 PR 0 II 2 AA FFFFFF FFFFFF UF 11 PR 0 II 2 AA FFFFFF FFFFFF UF 11 PR 0 Il 2 A4 FFFFFF o o 3315200 1492290 O FFFFFF UF
24. S All Call only UF11 interrogation followed ms 122us later by one Mode A interrogation and one period of 5 ms containing 6 UF4 Mode S interrogations spaced of 50 microsec Pattern 2 is 7 5 ms duration and contains one period of 2 5 ms containing one Mode S All Call only UF11 interrogation followed ms 109us later by one Mode C interrogation and one period of 5 ms containing 6 UF24 Mode S interrogations spaced of 50 microsec FAT6 One model A type scenario FAT7 One scenario named duty cycle1 constituted by the repetition of one pattern of 16 ms containing one fixed non random period 1 6 ms duration of 32 long mode S interrogations repeated every 50 microsec FATS One scenario named duty cycle2 constituted by the repetition of one pattern of 24 ms containing one fixed non random period 2 4 ms duration of 48 long mode S interrogations repeated every 50 microsec FAT9 One scenario named duty cycle3 constituted by the repetition of one pattern of 498 200ms containing ene 4 random periods of 25ms duration containing 78 2 periods long Mode S interrogations minimum delay between interrogations 50us repeated every 50ms ef 5 4texre mode S terresations This scenario is representive of 5 duty cycle on a long term pas haek dadne Youme TTT User Manual Chapter II TTT Main Driver II 1 Chapter Ill Transmitter Test Tool Main Driver 1 0 Intoduction TTT Ch II v4 1 21 12 99 The Interrogation Scenar
25. T fa 4 T3 zi z1 i zi TE Ya T4 73 71 1 zi z1 aya T TI T4 T3 zi zi zi c T fa T4 T3 21 5 zi zi aya TE TI T4 T3 21 3 zi z1 C T TI T4 T3 215 zi zi aa T fa T4 T3 zi zi zi TE TI T4 T5 21 3 zi z1 Bia T 7a T4 T73 1 zi zi C T fa T4 T3 Zl zi zi FFFFFF UF 11 ee T TI T4 T3 z1 zi z1 FFFFFF UF 11 eZ T TI T4 T73 zi zi zi FFFFFF UF 11 2 T Ta T4 T3 zi 2 zi FFFFFF UF 11 eZ T TI T4 T3 zi zi zi FFFFFF UF 11 ee T 7a T4 T73 1 zi zi FFFFFF UF 11 2 T fa T4 T3 zi zi zi FFFFFF UF 11 z T TI T4 73 zi zi zi FFFFFF UF 11 EZ T fa T4 T3 zi zi zi FFFFFF UF 11 NES TE Ya T4 T3 zi zi z1 FFFFFF UF 11 lez T TI T4 73 zi zi z1 FFFFFF UF 11 Ez T fa T4 T3 zi zi zi FFFFFF UF 11 Ee TE TI T4 T3 zi z z1 FFFFFF UF 11 2 T TI T4 73 zi zi zi FFFFFF UF 11 EZ T fa T4 T3 zi zi zi FFFFFF UF 11 ea TE TI T4 T3 zi zi z1 FFFFFF UF 1 1 FR 0 l 2 T TI T4 73 zi zi zi 4 Only All Call T fa T4 T3 zi zi CS All Call T TI T4 T3 zi zi T TI T4 73 z zi By A T fa T4 T3 zi zi T TI T4 T3 zi z1 Bia T TI T4 73 zi zi T fa T4 T3 zi zi BA T TI T4 T3 zi zi C T TI T4 73 zi zi aya TE fa T4 73 zi z1 c T TI T4 T3 zi zi EF T fa T4 T3 zi zi T fa T4 73 1 1 FFFFFF UF 11 T 7a T4 T3 zi zi FFFFFF UF 11 T fa T4 T3 zi zi FFFFFF UF 11 TE TI T4 T5 214 71 FFFFFF UF 11 i i T TI T4 T73 7135 i 0 090100 4 055 FFFFFF UF 11 T fa
26. Volume 7 Mack dadrentics TTT User Manual Chapter II Interrogation Scenario Generator 11 16 interrogations each time the random period is encountered in the scenario So one random period is randomised several times in one scenario The interrogations used for this randomising are determined in two ways 1 If no interrogations are entered in the interrogation list of the period the selected interrogations depend on the Random type selector In RC short mode only UF4 and 5 are retained In RC Long mode only UF 20 UF21 and UF 24 with RC 3 are retained In UELM mode only UF 24s with RC lt 3 are retained 2 If the user entered some interrogations in the list a random selection from this list is made for the generation of the random period Special attention must be given for the case of UELM data For correct Annex 10 like interrogations the first UF 24 must be of the type RC 0 the next must be RC 1 and the last must be RC 2 If the user enters these three types of interrogations in the interrogation list the random function will automatically create such sequences Generation H e Pseudo Random For pseudo random generated Periods the program uses the parameters entered in the random section to create a fixed set of interrogations All the parameters mentioned under random generation are used but the pattern is generated on the spot by clicking the randomise button The period data can be visuali
27. definition the tool will compile the data to the scenario file The scenario file will be read by the Interrogation driver TTT Main vi Furthermore the tool will create an interrogation file with the same file format as the RES interrogation recording From PTE P1 see PTE P1 P2 ICD v 2 2 This file can be used directly by the interrogation analyser See Chapter IV to calculate different interrogation load parameters and duty cycle This function must be used as checkup of the generated scenario Before proceeding with the playback of the generated scenario This analysis can result in the observation of a too high load or too high duty cycle of the system which in turn requires you to adapt the scenario oO Interrogation Scen Gen vi 5 EER General info Scenario ints generated Total Time 9500 HD PTE P24 94 99 INTERROGATIONS FAT P24 FATE ett Easy Save E Max Int power Revolution time 60 00 sec 3 e er mm I I I I I I I I I I I I I eae O08 25 50 75 10 0 125 15 0 17 5 20 0 225 25 0 27 5 30 0 25 36 6 i mees eem lt gt 5 2 2 Starting the Tool 1 Load the Interrogation Scenario Generator tool from the RASS S PTE toolbox Interrogation Analyser P2 Ai Interrogation Scen Gen vi TTT_Main vi TT Tw indowed recording vi view TT indowed yj 2 Run the Interrogation Scenario Tool tool using the button in
28. it file TTTI H Interrogations TTT Scenario file s Periods a Interrogation TTT Main B Scenario Driver Generator Ints attlerns gt wrce Interrogation file Interrogation Analyser intiasat cedrenies ume 5i TTT User Manual Chapter II Interrogation Scenario Generator 1 3 2 0 Interrogation Scenario Generator Tool 2 1 User Interface Overview The user interface of the Interrogation Scenario Generator tool is constructed using five levels of user input each corresponding to the different levels of the scenario as defined above Interrogation cen Geni Interr Interrogation UF 20 FC 0 FR 0 DI 1 Mode 2 NS 0 MBS 0 MES 0 Mode 4 Inter Kind LOS 0 FS5 0 TMS 0 Mode C M 123456799 4BCDE Mode 4 SP4 A A ABCDEF Mode C SP4 UF Code Mode LP4 Mode C LP4 UF 20 OF 11 Z Attenuation e dE g H 56 Ah AP Cuittenuation 6 dE UF 20 BCDEF 1234 3675 9ABC DE UF 24 PCS RRS D3 O IS 4 MBS 2 MES 3 L0S 1 RS8 2 TMS 4 UF 24 pc 0 UF 24 RC 1 UF 24 RCS SumPh Control I I l l I I I I l l I I 25 30 r a 100 12 5 150 17 5 200 227 5 25 0 27 5 30 0 ma a Ae Eee ee O E K Several buttons control the operation of the tool Toggle Help window on off Load an interrogation scenario Save an interrogation scenario Compile the scenario Randomise a period TAAA Print the scenario pa Edit a list Interrogation or period Enter a
29. of an Interrogation Analysis is an interrogation recording file This is the result of an TTT interrogation Generator session Note that this file type interrogation log file can also be created with a multi level analysis Reference extractor or can be created with the RES Main Controller tool More details about making an interrogation log file with the RES Main Controller tool can be found in the RASS S PTE User Manual Vol 5 Radar Environment Simulation More details on making an interrogation log file using a multi level analysis can be found the RASS S PTE User Manual Vol 3 Reply Recording and Analysis More details on creating an interrogation log file using the TTT interrogation generator can be found in chapter II of this volume inak dadon Volume 5i TTT User Manual Chapter IV Interrogation Analysis V 2 3 0 Interrogation Analyser P2A tool 3 1 User Interface Overview The user interface of the Interrogation Analyser tool is divided into several functional panels At the top there is a set of buttons and controls to operate the tool Interrogation Analyser PZA Vi Page select Flaystation Alain PTE PZA FAT PZA RCEL FATS 1 38 File size Mb 2 _ Page fat4 ints 462 75 Pages in File 4 Dima Pages amp TTT_RSLT or 20000 Ints in File List Interrogations Ta UF 11 UF 4 20 UF 5721 Other Det Fep Ee oe unu ft we et ee ee oe ee u Uo ee ee I I I I l 14 343 16 000 15 000 20 000 22
30. sum or control This condition is included in the next condition e The average power of the pulse of an interrogation transmitted on the sum or control channel is within taking into account the measurement errors a user selectable value 0 1 10 1 3 dB of the requested power level In case of 16 consecutive long interrogations only the first interrogation of the set will be evaluated e The amplitude variation during any transmitted P6 pulse is less than 1 dB Tolerance 1 taking into account the measurement errors e The amplitude variation along P6 pulses corresponding to a set of consecutive long Mode 5 Interrogations UELM transmission is less than a user selectable value 0 1 10 2 3 dB Tolerance 2 taking into account the measurement errors Note that in the data preparation phase the checkbox ELM test has to be marked see chapter II paragraph 2 4 Note With a measurement error with a standard deviation of 1 dB on amplitude the amplitude condition is met with 97 5 of confidence when the measured amplitude variation is lt 1 3 dB one P6 or lt 2 3 dB 16 consecutive long P6 2 Select Power Error Check from the analysis selection menu Interrogation Graph interrogations Sec Interrogation Duty Cycle TTT Power Check TTT Power drop Ys duty cycle 3 For this type of analysis you must enter the expected output power of the Radar Under Test plus the allowable tolerances for two types of te
31. the tool shows the status of the hardware in the status field Status Halt Tool not running y TTT Ch II v4 1 21 12 99 inak dadon Volume TTT User Manual Chapter III TTT Main Driver II 4 2 2 Starting the Tool 1 Load the TTT Main tool from the RASS S PTE toolbox b TTT O Interrogation Analyser P2a vi Interrogation Scen Gen vi TTT_Main vi TT Tw indowed_recording i View TTT windowed vi 2 Run the TTT Main tool using the button in the upper left corner of the window THT _helain vi Test Current BITE2 BITES BITE4 BITES Error Count o Threshold Analog data amp BITE data pointer Tewo o l l l l Time elapsed sec l T 20 100 150 200 216 Log 4 Logfile size 0 00 Safety T Continuous T delay Log Timestamped 4 250 0 ns Override Att e Scenario pointer Detailed data pointer l l l l l l l l l l l 50 100 150 200 250 Z00 50 400 450 500 550 I e select anane ENESE ELI CI Detailed gt i naek dedne volume TTT Ch II v4 1 21 12 99 TTT User Manual Chapter II TTT Main Driver IL 5 2 3 Calibrating the PDM modules 3 If you use the PDM for the first time that day the PDM calibration window will pop up automatically Else this function can be recalled by clicking the Calibrate button A dialog box will ask you to connect the Calibration dongle to the two PDM modules Perform this action before proceeding A Attention
32. 000 24 000 26 000 iE e SE pee Be Ee EL WF eyw Cursors dess yfso__JLI 8 Interrogation detaili 4 0 00 dErm t 0 497467 scale UF 4 PC 1 RR 2 DI 0 lS 0 a 4A 1 22456 Yscale Stagger Time 7 im d Tx power 45 0 22 33 deg Fef AllCall F 84994 00 ys Tolerance dE 2 Apply Filter L Tolerance dB RC Reply i Toggle Help window on off gt Start the analysis m Stop the analysis Export data to spreadsheet 5l Print graph Print Table Bn with multi level analysis Edit filter Call the histogram function Ol Stop the Interrogation Analyser tool TTT Ch IV v4 1 1 21 03 2000 3 naek dedne volume TTT User Manual TTT Ch IV v4 1 1 21 03 2000 Chapter IV Interrogation Analysis V 3 Analysis Interrogation Display hl Select analysis type Logfile e Playstation Alain PTE P2A FAT P24 RCEL FAT 1 38 File size Mb fat ints 468 75 Pages in File amp TTT_RSLT 0000 Ints in File Select interrogation file Fage select WR List Interrogations LI Page Pages Select interrogations to be displayed The middle part of the tool displays s a graph table which presents the results of the analysis Interrogation Stagger rns A 140 763 Cc 125 000 UF 11 UF 4 20 100 000 i ir Other 75 000 30 000 25 000 0 000 9 231 l O 270 1 000 2 000 2 000 4 000 2 000 6 000 7
33. 1 UF 24 RC 1 UF 24 RC 2 Generation Generation Fandom F eRandom For random generated Periods the user must enter a number of parameters which in turn depend on the type of interrogations used for random generation First determine the total duration of the random period by entering a Duration value Duration 2000 26 manually Next select the Random type Type 5 RC Short RC Long DELTA In the first two types RC short and RC Long the user can enter two parameters Type RC Short of Sints o aneren B Minimum Delay of S ints Number of S interrogations generated in the period 1 200 1 Minimum delay Minimum delay between two consecutive interrogations 50 20000us 50us In the last mode UELM the user can enter three parameters Type UELM a A AE E AEA if of Elms o UELH Segments bo Minimum Delay us of UELMs Number of UELM messages generated in the period 1 200 1 This is NOT the number of interrogations UELM segments Number of UELM interrogations generated in one message 2 16 2 Minimum delay Minimum delay between two consecutive UELM segments delay between P1 of last Interrogation of 1st ELM and P1 of first interrogation of next ELM 50 20000uUs 50uUs In UELM mode the ELM flag for the ELM analysis is automatically set Depending on these settings the compiler will generate a sequence of random FE TTT Ch II v4 1 21 12 1999 iv
34. 2 2 Starting the Tool 2 3 Calibrating the PDM modules 2 4 Starting a scenario My ASE II III III III III III III III III i Geadrentes p p ce p pa pa pa pa ee ee ee ja ND OF PWWNN FF N m N H N N N N N NO FPNN RR Volume 7 TTT User Manual PTE P2A Table of Contents 2 Chapter IV Interrogation Analysis IV 1 1 0 Introduction IV 1 2 0 Making an interrogation analysis source file IV 1 3 0 Interrogation Analyser P2A tool IV 2 3 1 User Interface Overview IV 2 3 2 Starting the Tool IV 4 3 3 General Tool Functions IV 5 3 4 Timing and Interrogation Contents Analysis IV 13 3 5 Interrogation Power Analysis IV 16 3 6 BITE Data Analysis IV 18 3 7 Transmitter Load Analysis IV 19 3 8 Transmitter Duty Cycle Anaysis IV 20 3 9 TTT Result Power and Presence Analysis IV 22 3 10 P6 power Drop analysis versus Duty cycle IV 23 3 11 TTT Result Exporting to Spreadsheet Data IV 25 Chapter V Window Based Video Recording V 1 1 0 Introduction 2 0 Windowed Interrogation Recorder and Related Files 3 0 Setting up the Windowed Recording Equipment 3 1 Components 3 2 Connections 4 0 Making a Window Recording Checklist 4 1 Procedure 4 2 The Windowed Recording Program 4 2 1 Program Functionality 4 2 2 Overview of Functions 4 2 3 Starting the Program 4 2 4 Calibrating the PDM Modules 4 2 5 Setting up Parameters 5 0 Analysing the Interrogatio
35. 20dB range is for accurate TTT measurement the output with gt 70dB range is for general purpose use less critical attenuator selection because of wider input range Below you will find a drawing giving an overview of the connections inak cladwvanfes Volume 5i TTT User Manual Chapter I Introduction Transmitter with 50Q termination resistors Oscilloscope optional Figure 1 1 1 Overview of the TTT bold frame in generation amp recording mode I 2 The TTT connects on one side to the RVR and on the other side to the transmitter The transmitters of both S1 supplier1 and S2 supplier2 are supported Output 1 is intended for supplier 1 and testing output 2 is intended for supplier 2 For supplier 2 BITE messages have to be read back these are passed to the RVR via its digital input The RTI also has a on off switch which can be used to immediately interrupt the transmission signals hardware protection The position of this switch can also be read out by the RVR via its digital input The output of S1 is modulated digitally for supplier 1 but analog in RTI BITE mode self test of the RTI In this mode the output of the RTI is directly connected to the RVR bypassing the transmitter and PDM s The RTI BITE works the same both for S1 digital modulated and S2 analog modulated scenario s The drawing below gives an overview of the internal diagram of the RTI TIT ChI v4 1 21 12 1999
36. 24 DELH UF 24 RC 2 Total Time E This level allows the user to create a number of patterns or sequences of periods within a predefined time frame The user can select any of the previously defined periods see above from a menu and place them in a sequence in a list The user can define the start time of each period obviously limited by the length of the selected periods The pattern generation allows the user to select edit cut copy and paste periods in the pattern until the pattern is according to the required specifications Each pattern is given a unique name by the user The pattern is also drawn in a graph on the scenario generation window as an interrogation display Pattern Patterns Pattern Periods Pattern UF11 C 6UF24 7500 00 5 Period S AllCal C Period 6 UF24 Duration Pattern 4 Pattern C Name Pattern AlilCal 4 Pattern AllCall C Pattern A S LP4 4 Pattern C S LP4 C Pattern UF11 4 UF4 Pattern UF11 C UF24 Pattern UF11 4 6UF4 Pattern UF11 C 6UF24 Pattern Duty 1 Pattern Duty 2 Pattern Random 1500 ZA gt 1250 c gt 1000 UF 11 750 UF 4 20 gt 500 UF 5721p 250 Other a oo I I I 1 I I 0 0 500 0 1000 0 1500 0 2000 0 2500 0 2750 0 nee e eo eo O K w a M Reference Any v TTT Ch II v4 1 21 12 1999 Enter patterns vi Interrogations Period 1 Model gg Period Allal 4 Period 2 Model Period Allal
37. 25W Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision This attenuator should always be used in combination with the Narda 766 20 This attenuator is meant for low power radars 2x Attenuator Mini Circuits NAT 20 21 29 1 A 20dB low power attenuator DC 2 1GHz 20 0 35dB 0 2W Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision This attenuator should always be used in combination with the Narda 766 20 This attenuator is meant for high power radars 2X BNC T adapter y R Volume 7 manek aedon TTT User Manual Chapter I Introduction 1 10 3 7 1X BNC cable 3m red 9male Calibration Dongle 3 11 1X DB15male DB15f p emale 15cm ACP ARP isolation cable Mis This cable is not used in this setup for scenario generation It is only necessary for azimuth slaved interrogation recording 4 Macintosh computer and a printer PowerPC based Macintosh Powerbook or other Macintosh PowerPC Powerbook power supply power cord HDI 30 Powerbook SCSI System Cable HDI 30 Powerbook Disk Adapter Cable Carrying case Colour Inkjet printer Description of the setup The drawing below gives a view of the connections that need to be made for scenario generation The video recorder is connected to the computer via the SCSI interface on the back T
38. 4 T3 zi zi 0 092600 4 167 FFFFFF UF 11 TE fa T4 75 6 zi z1 alain simple scen txt O 002500 0 113 0 005000 0 225 O 007S00 0 337 o 0j0000 O45 0 012500 0 562 0 015000 0 675 0 017500 0 787 0 020000 1 3 O 022500 1 012 O 025000 1 125 O 025600 1 152 0 026200 1 179 O 02z6700 1 202 O 027S00 1 229 1 1 1 1 1 21 1 0 4 21 6 20 7 m m 1 0 1 Zi zi zi 0 4 zi 20 7 21 O 2 zi zi 21 0 3 zl zi zi o z zi zi 21 0 3 Zi 20 7 z1 O 2 zl 21 zi 0 3 zi 20 7 21 O 1 Zi zi 21 0 2 21 21 3 zi 0 1 zi 21 3 1 0 3 zi zi 21 o 2 zi 21 2i 0 1 zi zi 1 0 2 zi zi i o 2 zi zi 21 2 1 Zi zi 21 o 2 Zl z1 i o 2 zi 21 21 O 2 zi zi 21 0 2 zl 2i o z zi 21 O 2 zi 21 Oo 2 Zl 2i 0 1 zi 20 0 5 zi 21 0 3 21 2i 0 3 zi 1 0 4 zi 21 0 1 Z1 Z1 0 4 zi 1 0 2 zi i o 4 zi 2i o z zi 1 0 4 Zl 21 0 5 Zi 21 0 3 zi Z1 o 2 zl 2i 0 3 zi Zl O 2 zl z1 O 2 zl 2i o z zi T7777 al 70 A Aa tou i oi H O 029600 1 341 0 032300 1 454 O 034600 1 566 O 037S00 1 679 O 0S9500 1 791 0 042500 1 304 0 044500 2 016 O 047S00 2 129 O 049600 2 24 0 052400 2 454 O 054600 2 466 O 057S00 2 579 0 055300 2 624 O 039100 2 66 O 060S00 2 714 O 062500 2 826 0 065300 2 939 O 067s00 3 051 O O70S00 3 164 O O72600 3 276 0 075300 3 389 007200 3 501 O 080S00 3 614 O 082500 3 726 0025300 3 839 O 085900 3 666 O 086500 3 593 O 087Tooo 3 915 O 087T 6o00 3 342 T TT T 4 4 4 TN IM AM EH iH
39. 4BCDE 4 A ABCDEF Depending on the type of UF code the data input will change For UF 11 only AA PR and II must be entered UF 4 and 5 require AP PC RR DI plus if DI lt gt 0 IIS MBS LOS MES RSS and TMS additionally UF 20 and 21 require MA data UF 24 require RC NC IIS and MC data Detailed help is foreseen for each of these Interrogation Fields and Subfields RR 0 15 shall be used to request a reply with surveillance format OF RR 16 31 shall be used to request a reply with Comm E format DF 20 RR 16 shall be used to request transmittion of an air initiated Comm RR 17 shall be used to request a data link capability report RE 18 shall be used to request aircraft identification Data input can be confirmed by selecting an other interrogation in the list The selected interrogation can be viewed in the graph in the bottom section of the window inak dadon Voume 5I TTT User Manual Chapter II Interrogation Scenario Generator 1 12 Sum L SumPh Control 34 0 M e QI Eere eo OL e rol kena Ce amp Depending on the type of interrogation Sum SLS and Mode S data signals are drawn as they should look upon transmission An important feature of this graph is the definition of the sampling points of the analog data The TTT main tool always samples the measured power on 8 discrete positions The exact positions of these cursors can be defined by positioning the eight cursors in
40. 50 400 450 500 550 Aai a EL W Detailed ii iil o 5 100 150 200 250 300 250 400 450 soo 550 Uai eE select anane IM 2S 29311 stl I Detailed 4 The AnaBITE data is in fact a block of the last 64 recorded interrogations times 8 cursors per interrogation makes 512 samples The data is shown in AD values 9 The result data is saved in two files named Scaneriofoldername TRes and Scaneriofoldername TDet if the Log Time stamped option is enabled each new scenario run creates a log file inside a folder named TTT_RSLT_YYYYMMDD hhmmss where YYYYMMDD is the date and hhmmss is the time If the option is not selected the result is simply saved inside a folder named TTT_RSLT inside the scenario folder In this case each rerun of the scenario will overwrite the previous result Parameters Safety T Continuous T delay Log Timestamped 4 250 0 ns Override att y The two files are automatically read when using the interrogation analyser 10 The scenario generation automatically halts at the end of the scenario unless the continuous check box entinusus Ml is enabled Beware when in continuous mode the AnaBITE and detailed data files are overwritten each time the scenario is restarted if the Log Time stamped option is not enabled This will fill up your harddisk and possibly crash your system 11 The scenarios can be created with different attenuation values for
41. AT2 One scenario constituted by the alternated repetition of two patterns 1 amp 2 Pattern 1 is 7 5 ms duration and contains one Mode S All Call only UF11 interrogation followed ms 122us later by one Mode A interrogation Pattern 2 is 7 5 ms duration and contains one Mode S All Call only UF11 interrogation followed ms 109us later by one Mode C interrogation FAT3 One scenario constituted by the alternated repetition of two patterns 1 amp 2 Pattern 1 is 7 5 ms duration and contains one combined Mode S All Call long P4 interrogation followed t s 122us later by one Mode A interrogation Pattern 2 is 7 5 ms duration and contains one combined Mode S All Call long P4 followed Fms 109us later by one Mode C interrogation FAT4 One scenario constituted by the alternated repetition of two patterns 1 amp 2 Pattern 1 is 7 5 ms duration and contains one period of 2 5 ms containing one Mode S All Call only UF11 interrogation followed ms 122us later by one Mode A interrogation and one period of 5 ms containing one UF4 Mode S interrogation Pattern 2 is 7 5 ms duration and contains one period of 2 5 ms containing one Mode S All Call only UF11 interrogation followed 4 s 109us later by one Mode C interrogation and one period of 5 ms containing one UF24 Mode S interrogation FATS One scenario constituted by the alternated repetition of two patterns 1 amp 2 Pattern 1 is 7 5 ms duration and contains one period of 2 5 ms containing one Mode
42. Bm to 60dBm sch dBm Power dBm Attenuator g Attenuator 20dB 20dB 2 4kW 463 66dBm Transmitter Figure 2 1 2 1 Connection of PDM to High Power POEMS Radar Because we will use the PDM module in its high precision range 20dB for the TTT care has to be taken to the input range 12dB modulation and to the fact that interrogation modulation on off switching can be monitored with sufficient precision max 10dB left With 66dBm input power a on off modulation of 10dB can be observed with 63dBm output power the visible on off modulation is 7dB Note that the PDM module is specified to go from 4dBm input power to 16dBm but actually goes from 6dBm to 18dBm Bs nae clachenftes Volume TTT ChI v4 1 21 12 1999 5i TTT User Manual Chapter I Introduction 1 15 The modulation in this setup can be represented in a graph which is shown in figure 2 1 2 2 This shows that in this setup 10dB of on off modulation is in the dynamic range limits of the PDM 20dB_ with 4kW transmitter Radar PDM dBm 66dBm 6dBm i 12dB modulation of transmitter 54dBm 6dBm 44dBm 16dBm Y Range of PDM p Time Figure 2 1 2 2 Dynamic range of PDM versus High power modulation input A 4kW transmitter with 12dB power switching applied an on off modulation of 10 dB is visible within PDM output range For a 2kW transmitter with 12 dB modulation an on off modulation of 8dB is visible within PD
43. D es ol i Gidea oume 7 ne TTT Ch IV v4 1 1 21 03 2000 TTT User Manual Chapter IV Interrogation Analysis IV 14 The X axis scale unit can be selected from the following list and may show time or azimuthal data Azimuth ACP Time or Scan numbers The Y scale is set to stagger for this type of graph For other possibilities see further Y scale Stagger The Y axis zero reference can be selected form the following list J AFC All Call Roll Call Any Hone This means that each time the selected interrogation type is encountered the Y axis value time is reset to zero This results in a specific stagger patterns ein AC the Y scale time is reset each time an A or C interrogation is encountered showing the SSR interrogation schedule ein All Call the Y scale time is reset each time an Mode S All call interrogation is encountered showing the Mode S All Call interrogation schedule ein Roll Call the Y scale time is reset each time an Mode S Roll call interrogation is encountered showing the Mode S Roll Call interrogation schedule This option has less importance ein Any the Y scale time is reset each time an interrogation is encountered showing the time periods between any interrogation ein None the Y scale time is never reset showing the interrogation timing in the Y scale This option allows the viewing of interrogation time versus azimuth The different interrogati
44. F m EG MEJZI Format S Decimal BITES Precision F Scientific Mapping Mode Engineering Binary Octal lt Hexadecimal Relative Time Absolute Time Details and the contents of the interrogation selected with the cursor are displayed below the graph Interrogation detail t 6 242519 5 WF 11 PR 1 1 4A4 FFFFFF Power 28 32 dBm Rew n 1 00 RC Reply i A filter can be applied to the interrogation display function Check the apply filter check box PP y Filter Ml and click the Edit Filter L Enter the specific search criteria for the filter See above for detail When paging through the data only the interrogations which comply with the search criteria will be displayed Checking the List Interrogations Ht Ierregations check box will add a table with details about the interrogations displayed in the graph The graph will shrink to half its size on the window and the interrogations are shown in a graphical table The selected interrogation using the cursor in the graph is also highlighted in the table 3 Transmitter Load Analysis TTT Ch IV v4 1 1 21 03 2000 This Type of analysis calculates the load interrogations per second in a specific sliding window for a complete interrogation file This function is available for PTE P1 and PTE P2A 10 Select Interrogations sec from the analysis selection menu Interrogation Graph interrogations Sec Interrogation Duty Cycle T
45. M output range which is sufficient The high range output of the PDM will output a higher span and will show unexpected spurious responses if any are present 2 The same calculations can be made for a lower power low power radar lt 400W This setup uses a 10dB as second attenuator instead of a 20dB 4 Antenna 5 z 8 D z 5 N gt 6dBm to 16dBm z O a Joo o 13 a oe O 33 36 a dBm Power dBm Attenuator 3 6dBm 20dBm to 60dBm F Attenuator 10dB 20dB 200 400W 53 56dBm Transmitter Figure 2 1 2 3 Connection of PDM to Low Power Radar TIT ChI v4 1 21 12 1999 E nia daen a7 5i TTT User Manual Chapter I Introduction 1 16 10dB with 400W transmitter Radar PDM dBm A 56dBm 6dBm i 12dB modulation of transmitter 44dBm 6dBm 34dBm 16dBm Range of PDM yp Time Figure 2 1 2 4 Dynamic range of PDM versus Low power modulation input 2 1 3 S1 interface Details on this connector can be found in the ICD of TTT TE_0184_ICD_PTE P2A v1 2 Connections are made using a DB15HD to 5X BNC The Red cable BNC should be connected to Sum amplitude the green one to Control amplitude and the blue one to sum phase The Cable is connected to output 1 2 1 4 S2 interface Details on this connector can be found in the ICD of TTT TE_0184_ICD_PTE P2A v1 2 Connections are made using a DB37 pin twisted pair shielded cable This cable is sup
46. Recording TTT ChI v4 1 21 12 1999 To test the duty cycle performance of the radar the drive signals of the radar are isolated from the radar and connected to the TTT The output of the radar is also connected to the TTT in order to compare its output to its input The TTT consists of different components the computer the RVR the RTI and 2 PDM s The computer and RVR are part of the standard RASS S SASS S configuration The computer and RVR will generate commands to the RTI in order to drive the transmitter read the transmitter BITE messages coming out of the RTI only for Supplier 2 and record the 2 analog video of the 2 PDM modules which corresponds to the Rf signals of the transmitter Sum and Control lines Channel 3 of the RVR is used to trigger for example an external oscilloscope which can be used as external reference for verification The RTI output is compatible with both the Supplier 1 Raytheon transmitter and the Supplier 2 Airsys ATM transmitter The Outputl of the RTI can also be used to test the system for S1 and S2 by connecting the RTI Output1 normally for S1 directly to the RVR thus bypassing the transmitter and PDM s The outputs sum and control lines of the transmitter are connected via couplers and attenuators to the PDM modules These convert the Rf input to video with compatible signal levels for the RVR Both PDM modules have two outputs one with 20dB range one with gt 70dB range The one with
47. S 1 RSS 0 TMS 0 AA 39029A 8 212075 131 047 1 FFFFFF UF 11 PR 1 Il 1 AA FFFFFF 8 222323 131 662 1 FFFFFF UF 11 PR 1 Il 1 AA FFFFFF 9 225686 131 8651 3902B0 UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902B0 8 232571 132 277 1 FFFFFF UF 11 PR 1 ll 1 AA FFFFFF 8 235934 132 481 1 390208 UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902DB 8 236788 132 530 1 390280 UF 5 PC 0 RR 18 DI 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902B0 8 242819 132 893 1 FFFFFF UF 11 PR 1 ll 1 AA FFFFFF 8 246182 133 096 1 390208 UF 5 PC 0 RR 18 Dl 1 IIS 3 MBS 0 MES 0 LOS 1 RSS 0 TMS 0 AA 3902DB 8 253067 133 508 1 FFFFFF_ UF 11 PR 1 Il 1 AA FFFFFF 8 256430 133 711 1 390371 UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 L0S 1 RSS 0 TMS 0 AA 390371 390328 UF 4 PC 0 RR 17 Dl 1 IIS 3 MBS 0 MES 0 L0S 1 RSS 0 TMS 0 A 39032B This window allows the user to load and save the listed data export to and import from spreadsheet cut copy and paste the data and to print the table To export the data the user can click the Export button E This creates a Tab separated text file which can be imported into any spreadsheet application e g MS Excel The top row buttons operate the window Toggle Help window On Off Save list to disk Load list from disk Import list from spreadsheet text based file Export list
48. TT Power Check TTT Power drop vs duty cycle This selection requires processing before any results can be displayed Some extra analysis parameters need to be set before processing the data window size 40 Jims window step z0 Ime The window size parameter determines the interval in which the processing is done In 7 intaeet dadrentes volume TTT User Manual 3 8 Chapter IV Interrogation Analysis IV 20 this case the number of interrogations of a specific type are counted in that interval The window step parameters defines the step size that the calculation window takes for each calculation Window size can vary between 50 us and 15 seconds Window step can vary between 50s and 15 seconds Click the Start button to start the processing A progress indicator will appear to show the processing The processing can be stopped at any time by clicking the Stop button The results of the data already processed will be displayed in the graph and in the table Interrogation Rates ints rs ints Roll Call All Call l ssr aa ERS it ke MARAN ANARAN ARAR PN Fi iili C EET RTA EE OEE IEE TE TE ee TRT 1 1000 O00 2000 o00 z000 odd 4000 000 I ees SJH Ers 0 ree77 e2 00 Cursor o ies7 7i 22 00 mE Greer 0 Iissrezc0 ISIEIB lt 2 FE sy qx The Y axis scale unit can be selected from the following list v ints Ints means the number of interrogations of a specific ty
49. TT Power drop ws duty cycle 2 This selection requires processing before any results can be displayed Enter the window size in the analysis parameters It is the window before a specific interrogation A measurement is made for each Mode S interrogation window size 40 Jims window step z0 Jims The window size parameter determines the interval in which the processing is done In this case the number of interrogations are counted in that interval and the on time is determined Window size can vary between 50 us and 15 seconds typ 40 ms 3 Click the Start button to start the processing nack dadoa 7 TTT Ch IV v4 1 1 21 03 2000 at TTT User Manual Chapter IV Interrogation Analysis V 24 A progress bar becomes visible and disappears after certain time The graph shows the result dE 1 400 gt gt o b o amp b 1 200 2 amp amp amp 4 1 000 o amp 0 800 BR 0 600 0 400 Hielkje Gaa HHHH tH HH 0 200 dite h Ajoji efeja 0 031 aml aaa I i 0 044625 1 00000 2 oo0000 i ooo000 4 ooga 5 000000 6 671750 We eE l Ero e coo iB a gt MERDE 1 4 The contents of the graph depends on the X axis and Y axis selectors The X axis can be Azimuth Azimuth deg selection ACPs 16 bit ACP selection time time sec selecti
50. a saat wil Valance na bi 4 T i om A m SAA m SA m BAA ma SAA m SAA a SAA m SAA o AA a A a SAA a AE a ee a a Al oil TN MM MM A oo in m in in in in in in in in o in in in on BI bo 77w IH te Bi i i e i i iN i e i i e i i mpi pim ee A m AE m A m Gam Aam a m GA m GA m am Gam GA m am Gam GA m am am Gam am GA m Gam Am A m Gam Aam Am Gam Gam A m Gam am am em am m im Em am am Aem i H O E es h e w e w o ha E wD EA e w a a E E E n h I i e ne w e ha iD i io io m io m m i m mh Nm Om WN om om om mo Oo m D iH B3 bJ tH tH eee en ee ee ee eee ee ee ee ee am am Gam Em Am Bim co a fe nn h in iu ba ink e ta b Set kn b tn n bn n n bn n tnih n ih bm in in iti it i TTT Ch IV v4 1 1 21 03 2000 z Bx r ates ies hase dadian Volume TTT User Manual Chapter V Window Based Video Recording V 1 Chapter V Window Based Video Recording 1 0 Intoduction The Windowed interrogation recording allows us to visualise the transmitter video data of sum and control beam in great detail This tool allows the user to record interrogation video on an operational radar using the TTT PDM modules These modules detect the RF interrogations and transfer the RF power into video level signals These are recorded in a windowed way meaning that only video is recorded in a specific Azimuth slice and during the time transmission is send This chapter will explain you how to make a window based recording usi
51. a set and are displayed at the right hand side of the histogram window Statistics 0 034 43 850 34 289 200 455 1 341 Use the graph palette to zoom and pan in the data centre and select the cursor iea e E Meg i l x Use the legend palette to change the appearance of the histogram Point Style Line Style Line Width Bar Plots Fill Baseline a Do ee CCCP CESS eS Color i ES DOOOOOOOOOOOOOOOOOUOOOOO Background ij Other keys toggle Foreground ij All for both The cursor display shows the value the upper and lower boundary of the selected histogram bin A bin can be selected by dragging the cross cursor to it The cursor will automatically be placed in the centre of the bin and the cursor display will be updated at the same time FED TIT ChIV v4 1 1 21 03 2000 Volume 7 flies dadrentcs TTT User Manual Chapter IV Interrogation Analysis IV 13 Cursor 546 00 Hits 1 541 Low limit 11 541 Up limit The histogram can be printed by clicking the print button The RASS S PTE reporting function is enabled which allows you to store or print the histogram Information about the histogram can be entered in the comment field This field will be printed together with the histogram Comment Click the return button to close the histogram function and return to the Interrogation tool 3 4 Timing and Interrogation Contents Analysis 9 A
52. alog PTE P2A a Playstatio gr O DSP SOFT Int Analyser P2A IIb Int_Scen_Generator lb G INTERROGATIONS O test int rec 3 win O test int rec win 1998 0 1 1 1 1 1 1 1 1 1 1 I Li 45 0 460 470 480 490 50 0 51 0 520 530 540 lent eg ie oy fF xE mes Jooo EEE 2 00 rt 9 93 K 1 Oo 0 00 i 0 3 os Mol en TEK 1 ot 1 0 151 8 Volt 45 0 40 0 35 0 30 0 25 0 20 0 thes eA Essas wiata z 4 HAEE M 50 44 deg offset 0 25 ps abs 1 1 1 1 I 1 1 1 I 1 45 0 460 470 480 490 500 510 520 53 0 540 548 4 i gt Revnbr 24 1 I oil 10 13 Record Y J D Time of recording Date of recording 11 35 55 012 23 07 1999 test int rec2 win The filename is also shown in a window in the right bottom corner 5 A video recording consists of several log numbers most commonly these log numbers correspond to revolution numbers except for recordings where the recording was intermediately halted Select a logging using the record number slider This is a slider and numeric control at a time so the record number can be entered manually or you can page through the data to get a quick glimpse The logging s date and time are shown in an additional indicator The corresponding scan number is also shown i H Rew nbr 15 l l I l 5 10 13 Record ro 6 Video data can be viewed
53. ask Test RANDOM TEST BITE1 BITEZ FF BITES x FF BITES x FF BITES FF The BITE check masks all incoming BITE messages with the Mask bytes logical AND and compares them individually with the Test bytes Each time a message is unequal an error is counted Once the Error Count is higher than Threshold the generation is halted Beware this has one limitation BITE data is always read in blocks of 64 messages so the granulity of the Threshold value is 64 Error Count o Threshold 6 If you require the safety function to be operational at all times make sure the safety Safety bi feature is enabled If this is the case the user will be warned each time he starts the scenario to put the f imerso dackenies Volume TTT User Manual TTT Ch II v4 1 21 12 99 Chapter II TTT Main Driver II 7 safety switch on or off 7 Now make sure the cursors are set correctly for all transmissions This can be done by clicking the Single Step button If the safety feature is enabled following window will warn you that this action causes life transmission and that the safety switch must be set to On Make Sure all connections have been made correctly Put the safety switch to On This will start the generation process Life transmissions will be evoked Transmitter Driver on lt off Cancel a Cancel will skip the transaction The only correct way to proceed is setting the switch o
54. ation cable This cable is used between the digital input of the RVR and the RVI 4 Macintosh computer and a printer PowerPC based Macintosh Powerbook or other Macintosh PowerPC Powerbook power supply power cord HDI 30 Powerbook SCSI System Cable HDI 30 Powerbook Disk Adapter Cable Carrying case Colour Inktjet printer 3 2 Connections This section describes the connections to be made at the radar transmitter side in order to perform a windowed interrogation recording niak dadon Voume TTT Ch V RVR v4 1 21 12 1999 TTT User Manual Chapter V Window Based Video Recording V 7 For this measurement the Radar Video Recorder needs to be set up in combination with the Radar Video Interface RVI The complete setup is illustrated in fig 5 showing both front and back panel of the RVI and the PDM connections to the radar system and to the Radar Video Recorder The Radar Video Interface has two modes of operation selectable by a front panel switch For Windowed Interrogation recording it must be operated in NORMAL mode m 1 Select NORMAL mode for Windowed Recording Make sure that the switch is set to normal mode otherwise no useful measurement result can be obtained STEP 1 SCSI Connections Connecting the host computer to the RVR When setting up the Radar Video Recorder first connect the SCSI port of the RVR to the host computer A SCSI cable to connect to the 50p SCSI con
55. cenario Generator I 17 time periods between any interrogation ein None the Y scale time is never reset showing the interrogation timing in the Y scale This option allows the viewing of interrogation time versus azimuth The different interrogation types are displayed according to the legend Common Plots gt Point Style Line Style Line Width Bar Plots Fill BaseLine This legend can easily be adapted to the preference of the user 2 5 Entering Pattems 7 Now we need to define the patterns For this purpose clock the Pattern tab on the tab bar Pattern Patterns Pattern Pattern 4 Periods Pattern C Name Pattern S AllCal A Pattern S AllCall C Pattern A S LP4 A Duration 7500 00 4s Period S AllCal C Pattern C SLP4 C Period 6 UF24 Pattern UF11 4 UF4 Pattern UF11 C UF24 Pattern UF11 4 6UF4 Pattern UF11 C 6UF24 Pattern Duty 1 Pattern Duty 2 Pattern Random By default the pattern list is filled with some example patterns The user is free to edit these or to add additional patterns to the list They can also be removed The size of the list of patterns does not influence the scenario in any way since only those patterns contained in the run will be compiled Other patterns simply reside in the scenario file without being used Now start by entering a new pattern by clicking the Add button Lo Patterns Pattern Pattern Pattern C Pattern S AllCa
56. d After compilation you can verify the number of generated interrogations in the ints generated indicator plus verify the total time for the generation info ints generated Total Time 146000 1953 9 Now you should verify the generated data using the interrogation analyser See Chapter IV for details Duty cycle and load verification are the two main analysis which should be performed before proceeding with transmission of the scenario After generation 2 files are created TTTI and Ints The first TTTI is used for generating and recording the scenario TTTmain vi The second one is used for analysis in order to compare the recorded scenario with the expected recording Ints the type format is interrogation log file such as used in PTE P1 see chapter IV paragraph 2 FED TTT ChIl v4 1 21 12 1999 S Volume 7 hakk dadrentes TTT User Manual Chapter II Interrogation Scenario Generator 1 22 3 0 Example Scenanos During FAT several scenarios were defined to test the capabilities of the TTT These scenario s are included in PTE P2A INTERROGATIONS FAT P2A Below you will find a description of these scenario s TTT Ch I v4 1 21 12 1999 FAT 1 One scenario constituted by the alternated repetition of two patterns 1 amp 2 Pattern 1 is 7 5 ms duration and contains one Mode A interrogation Pattern 2 is 7 5 ms duration and contains one Mode C interrogation F
57. ded interrogation powers will be displayed in the graph each time a new page is selected ae l l 138 623 150 000 160 000 170 000 180 000 190 000 205 0270 We OF Ers o isses E K EEEE M x deg The pages can be controlled using the Page Up a or Page Down buttons Alternatively a specific start page and the number of pages to be displayed can be entered directly in the respective controls The graph will be update immediately Page Pages The X axis scale unit can be selected from the following list and may show time or azimuthal data Azimuth ACP Time or Scan numbers The powers are shown in seven different graphs each containing the average power of one type of pulse in the interrogation P1 through P6 plus the average power of the interrogation itself on Sum channel The power of each pulse is determined using the preset cursors as set in the interrogation scenario generator or the TTT Main control In case of RES recorded data only the average interrogation power is shown The power of each pulse is the average value of all cursors which fall within the Annex 10 specified timing slots for these pulses depending on the type of interrogation P2 and P5 pulses are measured on the SLS channel P1 P3 P4 and P6 are measured on Sum channel inak dadon Voume 5i TTT User Manual Chapter IV Interrogation Analysis IV 17 Fi Common Plots gt Point Style Pz Line S
58. dom Periods of 5 ms A Model A scenario corresponds to 12 aircraft which are to be serviced by 5 Mode S scheduling periods in a 40 ms beamwidth or Pattern Each schedule is allocated a 5 ms period The data link transactions which occur are as follows e Period 1 12 short interrogations i e an UELM reservation is transmitted to each aircraft and assume that the reply from each aircraft includes the DELM announcement e Period 2 48 Comm Cs are transmitted i e 4 Comm Cs to each aircraft e Period 3 12 short interrogations i e a combined DELM reservation and surveillance to each aircraft e Period 4 12 Comm C i e Extract a single DELM from each aircraft e Period 5 12 short interrogations are transmitted i e an interrogation combining Comm C and Comm D close out functions for each aircraft Principle of TTT Generation and Recording The interrogation scenario generator tool is used to create and define the interrogation scenario The tool allows the user to define the five levels of the scenario The tool displays the defined scenario in a graphical representation allowing the user to verify the scenario at any time All scenario information is stored in a single Scenario folder which can contain several files The most important file is the xxx TTTI file which is directly read by the scenario driver The it contains the uncompiled scenario and the Ints contains the expected scenario
59. e 20 10 1995 Fig 2 The Legend for the different graphs cht Ch2 Cha The number of copies for the page copies a The X and Y scale names Elevationideg dE The X and Y scales and graph positioning rias dadeni Volume TTT Ch IV v4 1 1 21 03 2000 IV 10 Interrogation Analysis TTT User Manual Chapter IV 190 000 200 000 k CE a Bo alot as E i C a E 160 000 170 000 180 000 Se QF CRE C EB 150 000 EEJ ee h v m Cursor 0 201 76 deg 2 50 Jae deg All 3 comment and OTD parameter fields The Logo Once the scales the axis the plot names the header etc is edited to your satisfaction click the Print a button on the report manager The following window will appear Log report Current Report file pages New Report file Add Page Select Report file Print Page Print Report You have the following choices to make Print the page you were looking at Print Page New Report File Create a new report file Open Report File Open an existing report file Add Page Add this page to the report file Print Report Print the complete report you selected Leave this window Ok In order to print the current page use the Print Page button If you want to save the page with the complete layout and options first open or create a new report file using the New Report File or Open Report File then add the page using the Add Page button A com
60. e the number of interrogations of a specific type are counted in that interval The window step parameters defines the step size that the calculation window takes for each calculation Window size can vary between 50 us and 15 seconds Window step can vary between 50us and 15 seconds Click the Start button to start the processing The following window shows the result Remember that the duty cycle statistics are calculated with the window size as time interval Duty Cycle z 500 Duty Cy 3 000 2 200 z000 l l l l l l l l l l 0 176 250 000 S00 000 750 000 1000 000 1250 000 1500 000 1730 000 2106 705 Uae Cursor o e EE K ls 23 x Filtering printing and exporting the data is available in this analysis mode inte dadvenies_ _Youme 5i TTT User Manual Chapter IV Interrogation Analysis V 22 3 9 TIT Result Power and Presence Analysis This Type of analysis checks all the interrogations generated by the TTT main tool and recorded in a Tres file for errors interrogations or patterns The analysis also calculates the average interrogation power overall for all interrogations and min and max power The analysis does not work on RES recorded data 1 A Pattern will be declared correct if the following conditions are met for all the Interrogations included in that Pattern e all the pulses P1 P2 P3 P4 P5 short or long P6 requested have been actually transmitted on the corresponding channel
61. e Help window on and off Loads a windowed Interrogation recording file To export the recorded interrogation data To print out the data Halts the program completely without closing the window 5 3 Using the Program 1 After connecting the video recorder or another device containing the video data files the View TTT Windowed vi tool can be loaded Interrogation Analyser P2 Avi Interrogation Scen Gen wi TTT_Main i TTT windowed recording wi View TTT windowed wi view _M_Windowed vi 2 ae 35 8 5 0 45 0 46 0 47 0 48 0 49 0 50 0 51 0 52 0 53 0 54 0 0 1 1 I at 0 3 05 10 151 8 wre 231 0 00 is 3 2 F xE me Jo co EE re v v We l vor TERK 45 0 40 0 35 0 30 0 25 0 20 0 i Rew nbr 0 A o Record zo l SUM SUM SUM 54 3 Time of recording 02 00 00 000 0170171904 SUM I I 52 0 53 0 I I 50 0 51 0 I I I I 45 0 460 470 480 49 0 hes S Esa Megla E044 deg 44 0 abs 54 0 Date of recording 2 Run the program by clicking the LabVIEW Rur button TTT Ch V RVR v4 1 21 12 1999 Volume 7 iMterSOtAeleCtrOMICS 5i TTT User Manual Chapter V Window Based Video Recording V 20 3 After clicking the I Load button a file dialog window will appear asking you to specify a video data file Select a file and click the Ok button File Di
62. e7 BITES a ig6e Invert Ei Error O Tx nr dj 4s I I l I S 15 70 25 30 34 m Detailed AG mea es E check box APly Filter Ml and click the Edit Filter button Enter the specific search criteria for the filter See above for detail Checking the List Interrogations Ht Ierregations M check box will add a table with details about the interrogations displayed in the graph The graph will shrink to half its size on the window and the interrogations are shown in a graphical table The selected interrogation using the cursor in the graph is also highlighted in the table Rated r 148 EEM FFFFFF PR O 2 AA FFFFFF i 148 9770 FFFFFF 11 PR 0 1 2 4A FFFFFF rer 3 311200 143 004 FFFFFF 11 PR 0 I 2 4 4 FFFFFF FFFFFF 11 PR 0 I 2 4 4 FFFFFF o rono 149 2290 FFFFFF UF 11 PR O II 2 AA FFFFFF o 149 342 FFFFFF 11 PR 0 22 AA FFFFFF nies didien 7 5i TTT User Manual Chapter IV Interrogation Analysis IV 16 3 5 Interrogation Power Analysis TTT Ch IV v4 1 1 21 03 2000 8 The Interrogator Analyser allows us to display the recorded interrogations power as a function of time or azimuth For this function choose Interrogation Graph from the analysis menu This function is available for PTE P1 and PTE P2A The Y scale should be set to Power dBm for this type of graph For other possibilities see above ae Y scal Uke Co BITE data Fef A set of recor
63. each interrogation This results in the output of interrogations with different powers only for Airsys type If a scenario needs to be generated without attenuation instructions so full power this can be selected using the Override Att command 12 The scenario replay can also be halted at any time by clicking the halt m button The result data can be analysed using the Interrogation analyser See chapter IV a ireersert Gladventas A 5i TTT User Manual Chapter V Interrogation Analysis IV 1 Chapter IV Interrogation Analysis 1 0 Introduction The Interrogation Analyser tool allows the user to do an in depth investigation of recorded interrogations These interrogations can be recorded in several ways namely by the RES during a scenario generation by the Reference extractor during opportunity traffic recording of from the TTT Interrogation Scenario generator Extensive filtering and zooming tools make it possible to pinpoint a specific problem Multiple statistical functions result in an easy analysis of the interrogations An difference must be made between the standard version interrogation analyser and the P2A version which adds a number of Transmitter Test Tool specific analysis functions to the palette of this tool The user interface of both tools are similar and can be described in general 2 0 Making an interrogation analysis source file TTT Ch IV v4 1 1 21 03 2000 The starting point
64. ect the ACP ARP isolation cable between the digital cable and the RVR digital input Connection cables between RVR and RVI digital cable right The analog inputs of the RVR are connected directly to the outputs of the PDM modules using a BNC T junction and 50 ohm terminators Make sure to connect to the detailed output of the PDM modules marked 16 to 4dBm The DB9male DB9female 3m power supply cables give power from the sport connector of the RVR to the first PDM module where the second cable is used to go from the first PDM to the second For the Windowed recording following signal connections should be made SUM red channel 1 QO SLS Green channel 2 T intacel dadrentes _Youme TTT User Manual Chapter V Window Based Video Recording V 9 computer T piece with 50Q Ditti HH it i m termination A liin SCSI cable Radar Video Recorder my E RVR D Digital out ARP ACP isolation cable Te DB15 male _ 1 Gnd 5 Gnd 2 ARP 6 Gnd 3 ACP 7 Gnd 4 Gnd 8 Gnd d w o 5 wna ee Connector for Calibration Dongle RVI Radar Video Interface Coupler with appropriate attenuators Radar Video Signals Radar Timing Signals er a 8 i 2 e a 5 2 u fe i Hne S PER es te clockwise deere Z u RVI Radar Timing signals DB15 HD female 6 7 8 11 GND 1 Red ARP in y 2 Green ACP in Switch on Normal
65. ed Marker T Detailed 4 Beware the number of detailed recordings is limited to 100 per second The software does NOT warn the user for mistakes in the scheduling of detailed data In case too many detailed interrogations are scheduled a number of them will not be recorded The detailed interrogations are indicated using a special icon in front of their name in the interrogation list Interrogations aurean The Marker option is reserved for future expansion of the tool ELM Test L The ELM test must be enabled for periods containing an UELM Manually entered Random generated UELMs are automatically marked This allows the analysis of the Power drop along several UELMs See Chapter IV Add further interrogations using the method described above Remove unwanted interrogations using the Cut function or copy and paste interrogations to build up your period The total duration of the period is always shown in the lower left corner of the window Total Time 100 00 ge iiansealk aadrontes Volume 7 5i TTT User Manual Chapter II Interrogation Scenario Generator II 15 Once all interrogations are entered return to the main window by clicking the Return button The interrogation list as well as the total duration of the period is copied into the main window Interrogations list Mame New Period UELM 4seg Duration fies Random settings lt gt UF 24 RC O UF 24 RC
66. en Gen wi TTT Main vi TT Tew indowed_recording yvi View TTT Windowed vi Click the LabVIEW Run button to start the program inak cladwvanfes Volume TTT Ch V RVR v4 1 21 12 1999 5i Chapter V Window Based Video Recording V 13 TTT User Manual THT windowed recording vi FFI Pict Chi Signal 9 Window Az start F 45 00 I l l I I I 47 0 48 0 490 50 0 510 52 0 i ACER Zbit Azimuth Range Voltage ie ey eF xes oso oo mE ot Wet ss 14 28 10 000 Se EL 29 07 1999 j e Update 4 y Stack ELME ints logged b ZOE Trigger lewel 1 0 eo aio 70 50 y 0 0 a 1 0 1 0 I I I I 20 0 235 0 20 032 I I 0 1 3 0 10 0 15 0 Wes eE average on E i Meg sasha b550 dea i Enes Ch2 0 0 F Error Dialog n error occured at position Getk Y ERCalibration vi gt gt Video windowed recording v1 Error Code 111116 Possible reason No RYE found Please make sure a RVR is connected Make sure the RVR is connected and restart the software 4 2 4 Calibrating the PDM Modules 3 If you use the PDM for the first time that day the PDM calibration window will pop up automatically Else this function can be recalled by clicking the Calibrate button eB naek Gladvoentes Volume TTT Ch V RVR v4 1 21 12 1999 TTT User Manual TTT Ch V RVR v4 1 21 12 1999 Chapter V Window Based Video Recording V 14 A dialog box will ask you to c
67. es ee Sf Radar Video Recorder RVR183 mains power cable SCSI 50p 50p cable SCSI terminator 2x 2m RG223 cables 1x 5m RG223 cable 2x 270 MB or 1 GB cartridges TTT ChI v4 1 21 12 1999 PS dt Ut 7 a icc cacti aaia TTT User Manual Chapter I Introduction 1 8 2 The Radar Transmitter Interface RTI 376 2 1 The RTI unit Connection cables between the RVR digital in and out and the RTI 2 3 1X DB15HD to 5x BNC B ial Connection cable between Output1 and the transmitter of S1 or RVR analog input 2 4 1X 2m 37pSUB D male to 37pSUB D female Connection cable between Output2 and the transmitter of S2 3 Two PDM modules with additional accessories 3 1 2 x Power Detection Module Serial number 29 1 TIT ChI v4 1 21 12 1999 Z m E mMNaekk aadrentes Volume 7 TTT User Manual Chapter I Introduction I 9 3 2 2x Attenuator LRE A rat ae De 3 4 3 5 TTT ChI v4 1 21 12 1999 A 20dB adam power attenuator Power Average 20W Maka Power Peak 1kW Max DC 4GHz 20 0 254B DC 3GHz VSWR 1 1 DC 1GHz 1 15 1GHz 4GHz Two attenuators are supplied one for each PDM Use the one with the same serial number as the PDM for highest precision 2x Attenuator Mini Circuits NAT 10 60 29 1 Note that this component has the same package as the NAT 20 21 of the next paragraph A 10dB low power attenuator DC 6GHz 10 0 2dB 0 2
68. essages as a function of time or azimuth For this function choose Interrogation Graph from the analysis menu The Y scale should be set to BITE data for this type of graph For other possibilities see above Stagger Time A l Gia Power dBm Y scale BITE data kef A set of recorded interrogation BITE messages will be displayed in the graph each time a new page is selected BITE BITE1 BITE2 co BITES 80 EITE4 BITES 40 0 I I I I 138 623 150 oo 160 000 170 oo 180 000 190 000 205 020 IE e AF Cursor 0 erae A Gursor o ere so IF slat x lass The pages can be controlled using the Page Up K or Page Down buttons Alternatively a specific start page and the number of pages to be displayed can be entered directly in the respective controls The graph will be update immediately Pages The X axis scale unit can be selected from the following list and may show time or azimuthal data Azimuth ACP Time or Scan numbers ACF sec Revs The BITE messages are shown in five different graphs each containing one BITE message The BITE contents is displayed as a 8 bit number 0 255 but the Y scale can be set to Hex or Binary representation if required The Legend of each graph can also be adjusted Volume 7 T aa aadrontes 5i TTT User Manual Chapter IV Interrogation Analysis IV 19 BITE1 Common Plots gt BITE BITEZ Line Width aa ii US ea A
69. first analysis function of the Interrogator Analyser is to display the recorded interrogations and their contents according to their type and position in time For this function choose Interrogation graph from the analysis menu The Interrogation Graph function is the only selection which does not need proceeding before the result can be displayed This function is available for PTE P1 and PTE P2A Interrogation Graph interrogations Sec Interrogation Duty Cycle TTT Power Check TTT Power drop Ys duty cycle The Y scale should be set to stagger for this type of graph For other possibilities see further Y scale Stagger A set of recorded interrogations will be displayed in the graph each time a new page is selected ms ikon 33 300 C e r E E E 30 000 o o o o c o eeee ee e ree ee eee o UF 11 20 000 o o o o o j e o o oo oe o o o UF 4 20 gt e ele i0000 e e ele e ooo UF 5 21 e ele o o o o oo e ele o amp Other a 0 600 2 at at a3 a of at LELE l l int b 138 623 150 000 160 000 170 000 180 000 190 000 205 020 a Pe cursor 0 iar esles E K I syi gi x deg This set can be controlled using the Page Up co or Page Down button Alternatively a specific start page and the number of pages to be displayed can be entered directly in the respective controls The graph will be update immediately Page FE
70. he RTI is connected to the RVR via the digital in and out connectors And the PDM s are connected from their 20dB range outputs to Ch1 and Ch2 of the RVR The PDM s get their power supply via the SPORT connector on the back of the RVR this power is looped through from one PDM to the other via the same DB9male to TIT Ch I 4 1 21 12 1999 s 5 O cae es iat dadina oun TTT User Manual Chapter I Introduction T 11 DB9female cables The radar transmitter is connected to the PDM module via a coupler and 2 attenuators Depending on the power of the radar other attenuators have to be chosen For details on Rf connection please refer to the chapter on Rf connections 2 1 2 Rf Power in this volume The drive input of the radar transmitter is connected to to the output 1 connector for supplier 1 and the output 2 connector for supplier 2 Titty T piece with 50Q TTT pead termination ehduadias i S SCSI TA Analogue port out i DB15male to DB15female Coupler with appropriate attenuator If transmitter of S2 Digital I O If transmitter of S1 Sum Sum Phase Output Conto DB15 HD female 6 7 8 11 GND 1 Red Sum Amplitude 2 Green Omega Amplitude 3 Blue Sum Phase Switch on gt transmitter enabled Switch off transmitter disabled The system is either connected to the transmitter of S1 or the transmitter of S2 Figure 2 1 1 1 Shows the connection diagram for scenar
71. heoretical to 768 interrogations The real maximum azimuth width will therefore depend on the IPR rate Interrogations per Revolutions and can be calculated from Width 768 IPR 360 The term theoretical is used here because in practise no such wide windows will be used for recording because the amount of data to process analyse will be too much The video data is stored as 8bit two channel data so 2 bytes per data point Therefore two parameters must be defined in the setup stage of the program Azimuth start and Azimuth width iniaa dadon Volume TTT Ch V RVR v4 1 21 12 1999 5i TTT User Manual Chapter V Window Based Video Recording V 12 4 2 2 Overview of Functions The following list explains the function of the buttons on the front panel of the windowed video recording program Help Toggles the Help window On and Off Start To start the program The RVR will synchronise to ACP and ARP Record Starts recording the windowed video data on the internal RVR harddisk m Stop Stops the recording to the internal RVR harddisk File Defines a file for the data to be recorded in Calibration To open the PDM calibration routine O bone Halts the program completely without closing the window 4 2 3 Sarting the Program 1 After connecting all signals according to the specifications given above load the TTT_windowed_Recording tool TTT Interrogation Analyser P2 Avi Interrogation Sc
72. ime The period generation allows the user to select edit cut copy and paste interrogations in the period until the period is according to the required specifications Each period is given a unique name by the user and can be saved or loaded from file as a template if required Period Interr Period Interrogations list Name Period Random 157 Duration 20000 gs Random settings UF 20 UF 20 UF 24 RC 1 Generation UF 24 RC 0 UF 24 RC 0 UF 24 RC 0 UF 24 RC 0 UF 24 RC 1 UF 24 RC 1 Periods Period 4 Period C Period AllCal Period AllCal C Period A S LP4 4 Period C S LP4 C Period 1 UF4 Period 1 UF24 Period 6 UF4 Period 6 UF24 Period 32 UF24 Period 48 UF24 o Period Random 157 us a 229m aia gt 200 mm 0 Bs E gt a o a a So Moa a o a a 175 io a a P N a te 150 g oa r a an o o on gt a a P a a oo pa uF4 20 125 a ae a pr j o 100 Fe ji hd eo f a Eri ER y o non aa UF 5 21 lt 3 5 ow yt ag t n a 50 i 0 0 2500 0 Wes AF TEEN l l l l l 5000 0 7500 0 10000 0 125000 15000 0 2 1 3 Pattem level Be Ceo leo OU K 7 l l 17500 0 19772 0 Any v Enter Interrogations wi Interrogation Timing we Marker T Detailed L ELM Test L UF 24 DELM UF 24 RC 2 UF 24 RC 0 UF 24 RC 0 UF 24 RC 0 UF 24 RC 1 UF 24 RC 1 UF 24 RC 2 UF 24 RC 0 UF 20 UF
73. in the Video Display The X axis represents the Azimuth degrees the Y axis range or time Nm or us The updating of this display is performed when the log number is changed TTT Ch V RVR v4 1 21 12 1999 nack daden Volume TTT User Manual Chapter V Window Based Video Recording V 21 The Display selection menu selects data from either channel 1 or channel 2 SLS of the radar video recorder 11 60 470 460 490 50 0 51 0 520 530 34 0 eal deg ie espe x Eoo Jeo om IRE a iE sal go Sy 0 00 Xt ss zo21 has 8 The video image contains two cursors Using the mouse pointer these lines can be moved The horizontal cursor will be tracked by the degrees indicator just below the video image The vertical line will be tracked by the range indicator below the video image The cursor point will be tracked by the voltage indicator of the cursor The cursors can also be moved using the cursor control pad Q 0 0 l l l l l O 3 0 5 1 0 1 51 8 Ws 18 vor REEE LESI The vertical cursor selects a vertical cutout of the video image and shows this cutout in the reply graph This graph shows time in its Y axis and sampled video level in Volts in its X axis The display switch also selects if the replies image contains data from channel 1 or channel 2 9 The horizontal cursor line determines the position that is used for the calculation of the amplitudes of the differe
74. in the scenario file without being used y iae dadon e7 TTT User Manual TTT Ch HI v4 1 21 12 1999 Chapter II Interrogation Scenario Generator 11 13 Now start by entering a new period by clicking the Add button l Period Period Interrogations list Period C Name Period S AllCal 4 Empty period add Duration _o Jus Period AllCal C Period 4 SLP4 4 Random settings Period C S LP4 C thee Period 1 UF4 Period 1 UF24 Period 6 UF4 Period 6 UF24 Period 32 UF24 Period 48 UF24 Period Random 157 Generation Empty period add An empty period is added at the end of the list Now enter a name for this period by over Mame New Period UELM 45eg Now decide whether the period will be manually entered or randomly constructed during compilation This can be done by setting the Generation menu Generation typing the name Manual F wf Manual e Manual In manual mode you must enter the selected interrogations in the interrogation list This can be done by double clicking the list or by clicking the Edit list button Following window will appear Enter Interrogations vi a Interrogation Interrogations Timing is Marker O Detailed ELM Test Total Time Le This window is controlled by the following buttons Toggle Help window on off Add a new interrogation in the list Cut an interrogation from the list and c
75. io Generator tool was created to allow the user to enter different scenarios for the Transmitter Test Tool By defining interrogations periods patterns and runs the user can define a complete scenario of interrogations The TTT Main tool was developed to feed the hardware developed to interface with the POEMS station under test with the necessary data Furthermore the tool reads the recorded data from the TTT tool or the Radar Video Recorder to be more specific and writes this data to a file for further analysis The TTT main tool has a number of safety features incorporated which protects the transmitter against possible malfunction of the hardware It also provides the user with a Built in test facility of the TTT hardware plus the possibility of reading and decoding the BITE messages send by the POEMS S2 Airsys supplier The tool allows the user to halt generation after a certain preset number of erroneous BITE returns Principle of TTT Generation and Recording The interrogation scenario generator tool is used to create and define the interrogation scenario The TTT Main tool drives the TTT hardware and reads back the recorded data It saves this data into two separate files One Analog Cursor and BITE data file AnaBITE x TRes One Detailed sampled data file x TDet Where x stands for the scenario folder name All scenario files s are stored in a single Scenario folder which can contain severa
76. io generation The numbers refer to the components number as on page 1 9 For the build in test of the PDM module the calibration dongle needs to be connected to the free connector on the second PDM in the setup above This will enable the test pulses which the software will evaluate For the build in test of the RTI the setup has to change somewhat The transmitter and TIT ChI v4 1 21 12 1999 E PSs I 2S ili laconic aA TTT User Manual TTT ChI v4 1 21 12 1999 Chapter I Introduction 1 12 PDM modules are bypassed as can be noticed in the drawing below This setup enables to use the same software routines as for the full setup above This allows easy testing of the system and training Note that the connections for testing are the same for both suppliers computer T piece with 50Q termination SCSI cable Analogue port out i DB15male to DB15female face A N Rill Radar Transmitter ControKSLS S Output1 Sum Phase DB15 HD female 6 7 8 11 GND 1 Red Sum Amplitude 2 Green Omega Amplitude gt 3 Blue Sum Phase Switch on transmitter enabled Switch off transmitter disabled Figure 2 1 1 2 Shows the connection diagram for the test of the BITE Next the order of work will be discussed STEP 1 SCSI Connections Connecting the host computer to the RVR When setting up the Radar Video Recorder first connect the SCSI port of the RVR to the host co
77. ist And O Dr i Except The chosen value is automatically transferred to the filter This process is repeated until the filter setting is complete A filter setting can saved to disk with the Save button or recalled from disk by clicking the button This function is important to allow certain analysis functions to be repeated under certain conditions Therefore we advise that all filters used for a certain analysis are saved along with the result data Clicking the button will clear the selected line from the filter setting Clicking the button will clear the complete filter setting The button will close the window and ignore all changes Click the button accept the filter and close the filter editing window Beware the Power filter only works on RES recorded files recorded with version 4 0 44 or later since TTT recorded files store the power in a separate result file a iersert Gladventas Younes 5I TTT User Manual Chapter IV Interrogation Analysis IV 7 Once defined the filter must be activated Check the apply filter check box ad let in the main window to activate the filter When paging through the data or making analysis only the interrogations which comply with the search criteria are be displayed or processed Following fields can be used as filter criteria Date MES Time LOS Interrogation type RSS Aircraft Address TMS b30 32 Azimuth 0 360 TCS Linear Azimuth RCS Scan nr SAS
78. l 4 Pattern S AllCall C Pattern 4 5 LP4 4 Pattern CS LP4 C Pattern UF11 A UF4 Pattern UF 11 C UF24 Mame Empty pattern Duration O00 we Pattern UF 11 4 6UF4 Pattern UF11 C 6UF24 Pattern Duty 1 Pattern Duty 2 Pattern Random Empty pattern An empty pattern is added at the end of the list Now enter a name for this pattern by Name over typing the name Hew Pattern UELMS TES TIT Ch II v4 1 21 12 1999 z nask dados e7 TTT User Manual Chapter II Interrogation Scenario Generator 11 18 Now you must enter the selected periods in the Periods list This can be done by double clicking the list or by clicking the Edit list button La Following window will appear Enter patterns vi Interrogations Duration Co Le Total Time o Le This window is controlled by the following buttons Toggle Help window on off Add anew periods in the list Cut a period from the list and copy to clipboard Copy a period from the list to the clipboard FS Paste a period from the clipboard to the current index in the list Data is inserted Return to the Interrogation Generator tool ABC Select a period using the period menu and click the Add k button The duration of this period is shown in the Duration indicator i lt Delay Period A Period C Period 5 AllCal A Period AllCal C Period A S LP4 A Period C75 LP4 C Period 1 UF4 Pe
79. l files Inside this scenario folder multiple Result folders are created In these folders the two result files are put Depending on the selection of the Log Time stamped checkbox see paragraph 2 1 below the result folder is named TTT_RSLT untimestamped or TTT_RSLT_yyyyMMdd_hhmmss where yyyy is the year MM is the month dd is the date hh the hour mm the minutes and ss the seconds TTTI 9 Scenario file s TTT Main TTT Result files Driver Analog Cursors BITE data Ints N Interrogation file Interrogation Analyser hf Gites m TTT User Manual Chapter III TTT Main Driver II 2 2 0 TIT Main Tool 2 1 User Interface Overview The user interface of the TTT Main tool consist of several important fields each divided according to their function S amp T Main SSS FB BITES BITES Scenario pointer BITE4 ees P GITES l l l l l l I ot 0 20 40 60 0 i00 128 Error Count o Threshold Analog data amp BITE data pointer e Ry T nr of 146000 100 150 200 256 Time elapsed sec Logfile size O 07 hb Safety T Continuous O Log Timestamped E Override Att e o i 10 100 150 200 250 z00 350 400 450 500 550 E Select ANABITE tS 283 O Detailed Several buttons control the operation of the tool Toggle Help window on off Calibrate the PDM modules Specify a folder containing an interrogation scenario Start the generation of the scenario Halt gene
80. le or part except to make a backup copy of the software Note that the IPR of the software and hardware items composing this tool are shared between Intersoft Electronics and Eurocontrol according to the Agreement Relating to the Intellectual Property Rights of the RASS System between the Eurocontrol Agency and Intersoft Electronics Dated 14 December 1995 Copyright 1992 1999 Intersoft Electronics All rights reserved Intersoft Electronics Lammerdries 27 B 2250 Olen Belgium Tel 32 14 23 18 11 Fax 32 14 23 19 44 TE nask dadvonigs_ volume TTT User Manual RUM7 RASS S PTE Info v4 1 22 12 99 General Information a Trademarks of other corporations The following trademarks have been mentioned in this manual and are credited to their respective corporations Apple the Apple logo Macintosh and Finder are registered trademarks of Apple Computer Inc LabVIEW is a registered trademark of National Instruments Technical Support It may occur that even after you have patiently read the manual and experimented accordingly you still have problems in figuring out what exactly is happening If you are having problems it is recommended to carefully read the manual In case you would not find the appropriate answers to your questions or if you would still be in need of assistance do not hesitate to contact us on the following address Intersoft Electronics Lammerdries 27 B 2250 Olen Be
81. lect every interrogation used in your scenario at least once to make sure the cursor settings are correct especially if the delay value is changed verify all interrogations After setting all cursors close the window by clicking the return button If the safety feature was enabled following dialog will warn you to put the TTT back in a Safe mode set the safety switch to off before proceeding to protect the transmitter Transmitter Driver on 3 off 8 Now you are ready to start the scenario First decide whetter you want to log the result data If this is the case check the log buttons on the AnaBITE data or the Detailed data side Analog data amp BITE data pointer ee FY I I II l l l E 50 100 150 200 z256 Logfile size 0 00 Hb Detailed data pointer a I I I I I I 20 40 60 80 100 128 Lag e Logfile size 0 00 Next start generation by clicking the Start button y iniaa dadon Volume TTT User Manual TTT Ch II v4 1 21 12 99 Chapter II TTT Main Driver II 9 If safety feature is enabled you will be warned to set the safety switch to On Generation will not start before you set the switch correctly Now observe the monitor display at the bottom side of the TTT main window It will show you the AnaBITE data or the detailed data if present Select between the two using the selector switch l l I l l l I l l 50 6100 150 z000 250 z000 3
82. lgium Phone 32 14 23 18 11 Fax 4 32 14 23 19 44 Documentation Comments If you have any comments or constructive remarks on this manual please fill in the document that you can find in Appendix G Do not hesitate to send us this form We will welcome all information tase cladvenfies__volume 5i General Information TTT User Manual MODIFICATIONS CHANGE Responsible Description Revision Date Volume 7 4 SST ba Q Riarselt Gledrontes 5i RUM7 RASS S PTE Info v4 1 22 12 99 TTT User Manual Chapter I Introduction I 1 Chapter Intoduction 1 0 Intoduction The Transmitter Test Tool TTT is designed as a part of the POEMS Test Equipment PTE The TTT is the result of PTE phase 2A PTE P2A The TTT concentrates on testing the POEMS transmitter eg duty cycle performance Two setups were designed for the tests One which separates the POEMS transmitter from the radar drive signals and supplies the radar with its own drive signals in order to verify the transmitter output And one which is slaved on the azimuth ACP and ARP of the radar and records the transmitter output Both setups are discussed in the following 2 chapters 1 1 Scenano Generating and
83. mputer A SCSI cable to connect to the 50p SCSI connector of the RVR is included in the standard configuration E rias dadon 2e TTT User Manual TTT ChI v4 1 21 12 1999 Chapter I Introduction 1 13 The Radar Video Recorder is foreseen with two 50p SCSI connectors placed at the back panel It has no internal termination for SCSI One connector is needed to connect the Radar Video Recorder to the host computer The second one can be used to connect a second device Since the RVR is not internally terminated an external SCSI terminator shown in the picture below must be connected in all cases where no further devices are connected Please note that the following SCSI addresses are used by default by the RVR 3 Internal fixed harddisk 2GB 4 Built in Iomega JAZ drive 5 RVR DSP controller Since the addresses of the RVR devices are fixed make sure that in case more devices are connected to the SCSI bus they are not conflicting with these addresses STEP 2 Connecting the RTI and PDM s to the RVR Basically this is building the setup discussed in figure 2 1 1 1 When all is connected power up the Radar Video Recorder Both RVR PDM s and RTI have a power led indicator After 30 seconds to allow the RVR internal harddisk to spin up also the host computer may be booted STEP 3 Connect the radar signals to the PDM module The PDM modules must be connected to the coupler outputs of the Radar under test
84. n Data View TTT Windowed vi 5 1 Program Functionality 5 2 Overview of the Functions 5 3 Using the Program Se a a S a _ FE Vol7 Table of Contents v4 1 1 30 03 2000 S Vol 7 ee N areal Gadrenigs_ gt TTT User Manual RUM7 RASS S PTE Info v4 1 22 12 99 General Information Organisation of This Manual The TTT user manual is volume 7 of the complete RASS S PTE user manual describing how to use the hardware and software of the RASS S amp PTE Radar Analysis Support System The RASS S User manual is divided into seven Volumes Volume 1 Introduction Technical Specifications Volume 2 Antenna Diagram Measurements Volume 3 Reply Recording amp Analysis Volume 4 Data Recording amp Analysis Volume 5 Radar Environment Smulation amp Target Injection Volume 6 RF Test Set amp Special Tools Volume 7 TIT user Manual Disc laimer Notice Information rendered by PDP RASS S and PTE is believed to be accurate and reliable On no account Intersoft Electronics will be liable for direct indirect special incidental or consequential damages resulting from any defect or malfunction Intersoft disclaims any responsibility for its usage Copynght This RASS S4 PTE manual and the hard and software described in it have been developed and copyrighted by Intersoft Electronics and are licensed to you on a non transferable basis Under the copyright laws this manual and or the software may not be copied in who
85. n the TTT interface to On Once this is done following window will appear 0 E Betailed Monitors 43 0 40 0 35 0 30 0 25 0 20 0 I i I i i I i 0 00 5 00 10 00 15 00 70 00 25 00 30 00 35 00 B e K Select the type of transmission you want to send using the Interrogation selector plus Max PRF i00 the Maximum PRF Interrogations per Second transmitted Interrogation w Mode 1 Mode 2 Hode 4 Hode C Mode 4 e Mode C SP4 Mode 4 LP4 Mode C LP4 UF 11 UF 4 UF S UF 20 UF 21 UF 24 RC 0 UF 24 RC 1 UF 24 RC 2 UF 4 LO DELH res UF 4 LO DELH res Once selected enable the transmissions using the pause button _ gt aj The graph will show the sampled transmissions if all connections are properly made See chapter I inak dadon e7 5i TTT User Manual TTT Ch II v4 1 21 12 99 Chapter II TTT Main Driver II 8 Detailed Monitor i I l I l l I l 3 00 10 00 13 00 20 00 25 00 20 00 35 00 eT erea h It is now the intention to correctly position all the cursors on the different transmissions pulses In general all cursors for all transmissions can be shifted back and forth using the delay control and individual cursors can be manipulated using the mouse by dragging the cursors to other positions delay 75125 ns Later all interrogations will be sampled on the positions given by the different cursors in this window Now se
86. nce is determined by the 1 kQ trimmer of the input circuitry Digital signals that need to be connected ACP GREEN Cable ARP RED Cable RVI Connector for digital signals trimmers and LED indication ACP Use the ACP generator output of the radar This signal can have different duty cycles depending on the position where you tap it from the radar or depending on the type of radar The duty cycle is irrelevant for the video recorder since only the rising edges are used for analysis Green connector on Radar Timing Signals of RVI ARP Use the North reference pulse supplied by the interrogators ACP generator The signal should be a short positive or negative going pulse The pulse can be offset sometimes using software or hardware counters in the radar Be aware of this if you use the software and note this offset Red connector on Radar Timing Signals of RVI Since the threshold level is adjustable between 1V and 20V the digital input signals should be able to pass a threshold level between 1V and 20V For each of the digital inputs a trimmer is foreseen to adjust the threshold level The corresponding LED s indicate the detection of the connected signals The following paragraph explains the windowed recording and all related actions on software level necessary to perform a correct measurement 5i Eo een daden TTT User Manual Chapter V Window Based Video Recording V 11 4 0 Making a Window Recording
87. nector of the RVR is included in the standard configuration The Radar Video Recorder is foreseen with two 50p SCSI connectors placed at the back panel It has no internal termination for SCSI One connector is needed to connect the Radar Video Recorder to the host computer The second one can be used to connect a second device Since the RVR is not internally terminated an external SCSI terminator shown in the picture below must be connected in all cases where no further devices are connected Please note that the following SCSI addresses are used by default by the RVR 3 Internal fixed harddisk 2GB 4 Built in Iomega JAZ drive 5 RVR DSP controller Since the addresses of the RVR devices are fixed make sure that in case more devices are connected to the SCSI bus they are not conflicting with these addresses TTT Ch V RVR v4 1 21 12 1999 5 m EO 3 5 init laconic maA TTT User Manual TTT Ch V RVR v4 1 21 12 1999 Chapter V Window Based Video Recording V 8 STEP 2 Connecting the RVI to the RVR The RVI analog and digital output connectors are situated on the back panel RVI Back Panel Connections For TTT interrogation recording Only the digital cable is required It can be recognised since it has a DB15 connector at both sides It connects the timing outputs of the RVI to the digital input port of the RVR and also supplies power to the RVI Beware In order to correctly operate it is required to conn
88. new record Cut a record and copy to clipboard p E E Copy a record to the clipboard FAN TTT Ch II v4 1 21 12 1999 a Volume 7 TTT User Manual Chapter II Interrogation Scenario Generator II 4 Paste the record from the clipboard to the current index Data is inserted Stop the Interrogation Generator tool 2 1 L Interogation level This allows the user to define or edit up to 8 different SSR or inter mode interrogations and 10 different Mode S interrogations Furthermore the data contents of the 10 predefined Mode S interrogations can be freely programmed using an input cluster of all the Annex 10 defined sub fields in the interrogations The user can first define the UF code and depending on this he is presented with a selection of the applicable sub fields including MA or MD data An online help is foreseen to describe the meaning of the sub fields Each interrogation must also be attributed an amplitude or attenuation Each selected interrogation is drawn in a graph representing the P1 P2 P3 P4 P5 and P6 pulses where applicable and allowing for the input of the sampling position using 8 cursors of the amplitude of pulses where applicable The set of 18 interrogations can be loaded or saved separately as a template Interr Interrogation database Mode 1 Hode 2 Mode 4 Mode Mode 4 SP4 Mode C SF4 Mode A LP 4 Hode C LP4 UF 11 UF 4 UF 5 UF 20 UF 1 l UF 24 RC O UF 4 RC 1 UF 4 RC 2
89. ng the RASS S PTE Radar Video Recorder with the RVI and two PDM modules naek elacduoniigs Volume 5i TTT Ch V RVR v4 1 21 12 1999 TTT User Manual Chapter V Window Based Video Recording V 2 2 0 Windowed Interrogation Recorder and Related Files We will start with a short explanation of the functions implemented for window based interrogation recording When performing the RVR measurements you will be confronted with the functions in order as listed below For each of the functions the most important program front panels are shown In case you want detailed information please select the related paragraphs for each function further on in this chapter 1 The RVR Windowed Interrogation recording can be loaded by selecting TTT Windowed Recording under the TTT menu Its main function is to perform the measurement setup and most important the actual recording of interrogations Indicators visualise the presence of the necessary trigger signals The azimuth indicator displays the sector selected for recording The video data is shown in an intensity graph display showing the recorded video data within the defined window A cursor is foreseen to slice the data vertically or horizontally to be able to visualise the signals in a simple horizontal graph at the bottom THT windowed recording vi Chi Signal 9 Window Az start 45 00 0 1 I I I l I I I Az i 10 00 45 0 46 0 470 4680 490 S500 S510
90. nt pulses present in the interrogation data The curve is built using the same algorithms as in the windowed recording The diagram is plotted with Azimuth equivalent to interrogation in its X axis and averaged Volts or dBms in its Y scale TIT Ch V RVR v4 1 21 12 1999 Amers o Heleco rica A TTT User Manual Chapter V Window Based Video Recording V 22 10 It is possible to export the video data available in the Sliced Video graph to a spreadsheet The resulting file consists of a text file containing a table This table is TAB separated and can be imported by any Spreadsheet program The file consists of three columns Azimuth deg CH1 V CH2 V The numerical data is put to a string format with a 3 digit precision HPD Data fcimuthideg C C S S a asa pas pas O T T T esos pas bas J O o T T esas a a J T T T esso o pba bas O o To T ese a bpas J T T T ess p a O o o T T 11 Finally the video data can be printed in a RASS S PTE report format using the print function Print A comment input window will appear to allow you to enter comment Click the OK button to confirm printing or press cancel to return with no printing Please enter comment for this printout This video logging was performed at Olen international airport on 17171995 Figure number x
91. o dB EAttenuation za dB CdAttenuation o dB Attenuation o dE Select the Interrogation Kind using the corresponding menu selection The selected type will be shown in the text display in the middle of the window zi naek dedne volume TTT User Manual TTT Ch I v4 1 21 12 1999 Chapter II Interrogation Scenario Generator II 11 Inter Kind Mode AS all call Clong P4 Now enter the attenuation values for the Sum and SLS channel Only valid for 82 Airsys They can contain values between 0 and 12 dB step 2 dB For S1 these modulations will be ignored when the override attenuation check box is crossed in TT Tmain vi EAattenuation dE Cattenuation 2 4 e Mode S Interrogation Interrogation Name UF 11 FR 0 2 Mame UF 20 FC 0 ER 0 Dl 1 UF 11 14 A FFFFFF UF 20 NS 0 MES 0 MES 0 Inter Kind Inter Kind LOS 0 FSS 0 TMS 0 Ma 1 23456739 ABCDE UF Code UF Code UF 11 UF 20 E Attenuation o dB e E Attenuation e dE Aad AP l BAAP l att t z dB Attenuation dB FFFFFF enuation 2 ABCDEF 1234 5678 9ABC DE Les PR4 l4 POS RRES DIS iS4 MBS MESS LOS RS9 2 TMS 4 Lo fo fi fo fo f fo fo fe Set the Interrogation Kind to Mode S and the UF Code to the desired UF mode The selected type will be shown in the text display in the middle of the window Inter Kind UF 20 PC 0 FR 0 Dl 1 NS 0 MES 0 MES 0 LOS 0 FSS 0 TMS 0 Ma 12S45e789
92. oduction I 4 It is possible to generate 18 different interrogations in one scenario Mode 1 2 A C ALP4 ASP4 CLP4 CSP4 10 long short Mode S Each interrogation has it s own attenuation setting fixed per interrogations A total of 18 interrogations and thus 18 attenuation settings can be generated The picture below gives an overview of the timing of the possible modes 16 25 30 25us lt gt 0 8us 1 2us 0 8us O 7us 1 25 0 5 0 25 0 25 0 25 0 75us Maara ha gt lt gt f gt Mode S Phase 56 112 Phase flips 56 112 bits bit1 bit56 112 400ns Mode S Q 8 21uUs gt Sus 1 2us 0 8us 0 8us 1 2us 0 8us A3 C short P4 Q al 8 21us Sus 1 2us 0 8us Bus 1 2us 1 6us A3 C Q long P4 i 3 5us Sus 1 2us O 8us PO 8us Mode Ne Q Figure 1 1 5 Timing of the possible interrogation modes The detailed connections are discussed in this chapter under 2 1 Connecting for Scenario Generation and Recording About how to use the system more information can be found in Chapter II III and IV For a general introduction on the PDM module see section 1 2 1 2 Azimuth Slaved Recording TIT ChI v4 1 21 12 1999 In order to be able to make duty cycle recordings in function of azimuth the TTT is connected to the azimuth lines ACP and ARP and to the Rf output of the transmitter For this setup the TTT needs following components compu
93. omponent in order to improve the VSWR Furthermore a BITE facility build in test is available in the PDM This BITE generates pulses which contain the serial number and enable the system to calibrate A common connector is used for the transmitter video and BITE pulses this enables the BITE to check the full wiring used by the PDM However this requires a function to enable the BITE s There are 2 conditions on which BITE pulses are generated about 20 seconds after power up and when the Calibration Dongle is plugged in the PDM Below the internal diagram of the PDM is printed a iersert Gladventas Younes 5i TTT User Manual TTT ChI v4 1 21 12 1999 Chapter I Introduction I 6 Loopthrough Power amp BITE control 16dBm gt 0V BITE control 4dBm gt 2V BITE P 16dBm amp 4dBm Video Out Log Receiver gt Rf In 20dB attenuator AD8313 amplifier full range Switch 0 to 2V Figure 1 2 2 PDM Internal Diagram The PDM BITE pulses start with a test patern that is 20us high and 20us low This is done intentionally to verify the drop of the PDM RVR system over 20s In the software tool this 20s can be zoomed into The signal level of the PDM BITE pulses correspond to the 16dBm and 4dBm levels The serial number of the PDM module is also included serial number output Bits are RZ coded return to zero DO D1 D2 D3 D4 D5 D6 D7 est pattern example bana 20us 20us 10us Figure 1 2 3
94. on scans scans Revs selection or Duty cycle Duty cycle selection The Y axis can be power drop Power drop dB selection or duty cycle Duty cycle selection Filtering printing and exporting the data is available in this analysis mode FED TIT ChIV v4 1 1 21 03 2000 Volume 7 _ ase dadronies TTT User Manual Chapter IV Interrogation Analysis IV 25 3 11 TTT Result Exporting to Spreadsheet Data The interrogation analyser allows the exporting of interrogation data to a spreadsheet style table which can be imported into Excel or any other type of spreadsheet program The tool includes as many data as possible in the exported table 1 Click the Export button to start the processing Next enter a filename for the export file File Dialog ALAIN 5 IMPLE CEN fa alain simple scen ints D alain simple scen TDet OD alain simple scen Tres O alain simple scen TITl O alain simple scen txt Please enter a filename forthe export data alain simple scen tet View All 5E1998 The file can be imported by excel using the following steps File Open Using Tab delimited text import function alain simple scen tit eee E caen E lo H Ilu lk M H rR eae Int nr Time s Azimuth Scan S address Int BITE1 BITE BITES BITES BITES Pwr P1 Pwr P2 Pwr PS Pwr Pa Pwr PS Pwr PE Pwr Int Std dev Max pwr Min pwr Error Error F1 Er E co J m Of E H ha ZA
95. on types are displayed according to the legend Common Plots gt Point Style Line Style Line Width Bar Plots Fill BaseLine This legend can easily be adapted to the preference of the user Details and the contents of the interrogation selected with the first cursor are displayed below the graph This information data also provides you with reading of power scan nr and azimuth of the selected interrogation Using the second cursor a delta time value time difference between two selected interrogations can be determined Interrogation detaili 4 t O 49 7467 s UF 4 PC 1 RR 2 DIFO NS 0 AA 1 24456 0 00 dEm a 22 39 deg 84994 00 pe RC Reply i FE TIT ChIV v4 1 1 21 03 2000 Volume 7 flies dadrentcs TTT User Manual TTT Ch IV v4 1 1 21 03 2000 Chapter IV Interrogation Analysis IV 15 The first cursor is also linked to the Show Power amp Bite data vi window This shows the reconstructed interrogation with correct powers plus the values of the eight sampled cursors on both channels The window can also be used for display of BITE data If a specific interrogations was marked detailed during scenario definition the detailed data can be seen in the same window The contents of the BITE message can be inverted depending on the setting of the Invert checkbox Show Power amp Bite data vi BITE 1 4170 BITE Z ajisa BITES a ies BITE4 4 i
96. onnect the Calibration dongle to the two PDM modules Perform this action before proceeding A Attention Make sure the two PDM outputs are connected to the RYR using the 50 Q terminators Then connect the calibration dongle to the POM modules When ready Click Ok Cancel halts the calibration procedure and continues with scenario generation Next you should see the PDM test patterns in the calibration window Calibrate PDM vi Waiting for calibration signal to end Ser Nr Chi 8 Att Chi 40 0 dB Max Chi 44 0 Min chi 24 0 30 0 25 0 Ser Nr Ch2 9 AttCh2 40 0 gp 20 0 I I I I I I I I p 0 00 2000 40 00 6000 80 00 100 00 120 00 140 00 MaxCh2 44 0 H RUN i Whe e Min Ch2 24 0 Me S931 w You can select the Y scale of this picture in two modes ADs or dBms using the Y scale dEm selector woa Once put in dBms the minimum and maximum signal strength should read 4 and 16 dBm plus the attenuation values of both channels The principle of the behind this calibration is that internally the amplitude of the two levels in the test pulses are matched with the video amplitudes of a Mode S interrogation sampled at 4 or 16 dBm In fact this procedure eliminates external influence such as cabling termination AD convertor of RVR etc The two AD values for the two levels are sampled and referenced towards the two power levels
97. operly made Check the ARP LED on the RVI box If no ARP is detected adjust the ARP detection level of the RVI The first 2 revolutions the software will disable the Recording button to prevent the user from starting the measurement before the revolutions are stable After 2 revolutions the IPR indicator should be stable and the Azimuth indicator should turn regular If the ACPR indicator is not stable or an insane value check the ACP LED on the RVI box If this is not continuously lit it should be flashing at the ACP frequency adjust the ACP detection value on the RVI box E 4 E E 2 Radar Timing Signals 73 z a 8 amp Su FE TIT Ch V RVR v4 1 21 12 1999 S nekk deos ome TTT User Manual TTT Ch V RVR v4 1 21 12 1999 Chapter V Window Based Video Recording V 17 7 After 2 or 3 revolutions the video display should show some video data Chi Sigma 9 I l I I I I I 46 0 470 480 490 S00 S10 520 Azimuth Range Voltage ie 3 QF xez Joo ooo ESE EEEE E 15 12 34 000 amp 1 0 29 07 1999 00 The video window contains two cursors both indicating range azimuth and power Azi RONm Pwr dBm Xem leo loo mE The cursor can also be moved using the cursor control pad amp The Centre Cursor button centres the cursor in the middle of the video intensity graph x The horizontal cursor line selects a vertical cutout of the video image and shows this cut
98. opy to clipboard Copy an interrogation from the list to the clipboard Paste an interrogation from the clipboard to the current index in the list Data is inserted intiasett dadeni Volume TTT User Manual TTT Ch I v4 1 21 12 1999 Chapter II Interrogation Scenario Generator 11 14 Select an interrogation using the Interrogation menu and click the Add LJ button Also enter a timing value This value is the delay between the current selected interrogation and the next interrogation in the period between the P1 pulses Beware The resolution of the delay is limited to 1 us but some delay values can not be generated such as 51s 53us 63us 73us etc These values will be coerced to the nearest lower value 51 us will be coerced to 50us 53 becomes 52 etc Note that this also applies to random and pseudo random periods Le ion Mode 1 Mode Z Mode A Mode C Mode A SP4 Mode C SP4 Mode A LP4 Mode C LP4 UF 11 UF 4 UF 5 UF 20 UF 71 UF 24 RC 0 UF 24 RC 1 UF 24 RC 2 Select All interrogations in the list so they can be e g cut from the list Return to the Interrogation Generator tool UF 4 LO DELH res UF 4 LO DELH res Timing Pies The selected interrogation will appear in the list Interrogations UF 24 C Now you can enter a Detailed check box which will cause the TTT main driver to record a detailed interrogation every time an interrogation of this type is schedul
99. out in the Sliced Video graph when the Video Kind selector is set to X video This graph shows azimuth in its X axis and sampled video level Volt 0 25 gt 2 25V or power dBm in its Y axis depending on the Scale selector dem W Seale video w Video Kind 20 0 40 0 30 0 z0 0 I I I I I I I I I I 45 0 46 0 47 0 45 0 43 0 50 0 51 0 SB 553 0 54 0 54 ies 4B H average TCs Chi F 2 I l syy A deg offset r iea Che Fig 6 Y video The curve is build up by plotting the average amplitude of the pulses under the yellow horizontal cursor versus their azimuth width A number of samples of each pulse is taken and averaged The number of samples can be set by the width parameter in the sliced video eraph amplitude 4 7 intaeet dadcrentes Volume TTT User Manual TTT Ch V RVR v4 1 21 12 1999 Chapter V Window Based Video Recording V 18 9 Next we can record the video data such that it can be stored and retrieved at a later stage For this we must select a filename first by clicking the file button a The filename will be shown in the filename indicator File Dialog ee 5 DSP SOFT 5 Int Analyser P2A IIb Int_Scen_Generator lb INTERROGATIONS D test int rec win D test int rec2 win Please define the windowed interrogation file test int rec 3 win __cancel_ View All 1E1998 Recording i
100. pe counted in an interval defined by the window size Ints sec means the the number of interrogations in the window is recalculated to an interval of 1 second In the window size is set to 1 second both results will be the same Filtering printing and exporting the data is available in this analysis mode Transmitter Duty Cycle Analysis TTT Ch IV v4 1 1 21 03 2000 This Type of analysis calculates the duty cycle Time transmitter is sending power total time in a specific sliding window for a complete interrogation file Each type of interrogation is given a fixed time on time duration Times are shown hereunder 1 2 A C 1 6us SSR only All Call 2 4 ps Intermode S All Call 3 2 us inital clactrentias Volume 5i TTT User Manual TTT Ch IV v4 1 1 21 03 2000 Chapter IV Interrogation Analysis IV 21 S Short 17 85us S long 31 85 us This function is available for PTE P1 and PTE P2A 11 Select Interrogation Duty Cycle from the analysis selection menu F interrogations Sec interrogation Duty L ycie TTT Power Check TTT Power drop ws duty cycle This selection requires processing before any results can be displayed Enter the preferred analysis parameters settings Some extra analysis parameters need to be set before processing the data window size 40 Jims window step z0 Jims The window size parameter determines the interval in which the processing is done In this cas
101. plete report can be printed using the Print Report button If a report file is opened or a page is added to a new one the Pages in report indicator will be updated Leave the window using the OK button The printout will now be printed on the printer or saved to disk Printing can be stopped using the Command point keys intact dadne ome 5i TTT Ch IV v4 1 1 21 03 2000 TTT User Manual TTT Ch IV v4 1 1 21 03 2000 Chapter IV Interrogation Analysis IV 11 7 Throughout the tool data is presented in a graph The data in the graph can be represented in a histogram if this representation makes since An example is the power versus azimuth graph which can be shown as a power histogram Interrogation Power dEr Fi 22 000 20 000 l I l I l J 033488 0 100000 0 150000 0 200000 O 250000 0 200000 0 350000 0 418650 Whe 4 Cursor o 004 e460 mE rt sy F Beerot eee EEE lt gt Revs Now click the Histogram button The following window appears RASS Histogram vi S Cm r Oewer r 45 r Histogram Hits 44 0 r Settings _ _____ r Statistics Oo Absolute 21 213 Relative 0 124 J Cumulative 21 213 21 554 in si 20 782 30 0 Bin size lower Inclusion Cursor 25 0 Bins a 20 000 40 0 35 0 20 0 20 100 15 0 5 0 Me E Legena pm ma iN 2 931 a gt
102. plied with the system and is 2 metre long The Cable is connected to output 2 2 2 Connecting for Azimuth Slaved Recording Please see Chapter V for details on this setup 3 0 Software Version Desc npton The TTT has been designed to work in the PTE environment The version of the installed RASS S4 PTE software toolbox should be version 4 43 or higher The version number of the TTT is printed on the CD For question on the latest version feel free to ask Intersoft Electronics via info intersoft be naek dedne e7 5i TIT ChI v4 1 21 12 1999 TTT User Manual Chapter I Introduction I 17 4 0 Reference Documents from Intersoft Hec tronics During design and evaluation several documents were created These documents are available via Eurocontrol Below a list is presented of the documents and their version numbers IE_0192 Proj Plan P2A v1 2 IE_0188_ADD_PTE_P2A v1 6 IE_0187 System Spec v1 4 IE_0184_ICD_PTE P2A v1 2 IE_0193 Test Plan v1 3 Test specification for production 29 1 PDM377 test report Test specification for production 30 1 RTI376 test report Test report IE_0196 Test Report PDM v1 0 Test report E_0197 Test Report TTT v1 0 Test report IE_0206 Test Report RTI v1 1 Test report IE_0207 Prod Tests PDM v1 1 Test report IE_0208 FAT PTE P2A v1 3 VCRI PTE P2A v1 1 USER MANUAL v4 1 Progress reports PROG REP 9901 9902 v1 0 PROG REP 9903 v1 0 PROG REP 9904 v1 1 PROG REP 9905 v1 0 TTT ChI v4 1
103. put of the PDM modules Default this should be 60 dB namely 40 dB of external attenuator values plus 20 dB of the POEMS coupler Once this is done click the Calibrate button which copies the sampled AD values and equalises the sampled data values towards the preset power values Once calibrated click the OK button and reply to the following dialog TTT Ch II v4 1 21 12 99 y iak dadon e7 TTT User Manual Chapter II TTT Main Driver II 6 AN Attention Disconnect the calibration dongle before proceeding Wait 20 seconds Now you Must disconnect the calibration dongle and wait for 20 seconds for the signal to disappear The calibration window remains open as long as the signal is present and warns you with this message in the status bar Waiting for calibration signal ta end Once the calibration window is closed it is safe to connect the PDM modules to the radar 2 4 Sarting a scenano TTT Ch II v4 1 21 12 99 4 Select an interrogation Scenario folder by clicking the Browse Ry button or by entering a folder path name Please select a scenario folder to hold the interrogation scenario data INTERROGATIONS O SIMPLE AC I TEST SLOPE Scenario Playstation Alain PTE P2 le INTERROGATIONS TEST 4l 5 Enter the BITE conditions if the tool is connected to an S2 transmitter If the transmitter is of type S1 or no BITE checking must be performed enter all zeros in the Mask fields M
104. ration of the scenario Single step generation of interrogations adjustment of cursors Stop TTT Main tool The first important section is the input fields for the scenario file plus the progress indicators for the different data streams In fact the tool handles three different data streams 1 Scenario data from Computer to RVR jl iniaa dadon Volume TTT Ch II v4 1 21 12 99 TTT User Manual Chapter II TTT Main Driver II 3 2 AnaBITE data from RVR to Computer 3 Detailed data from RVR to Computer Scenario Playstation Alain PTE P24 Ry INTERROG ATIONS ALAIN SIMPLE SCEN 4 Scenario pointer E Fs l I l I I I Di 0 z0 40 60 0 100 128 Analog data amp BITE data pointer I I I I l 1I Eee o a0 100 150 200 256 Log L Logfile size 0 00 Mb Detailed data pointer I l l 20 40 60 0 100 Log Logfile size 0 00 Next the right hand side of the window shows the BITE message handling and the different status indicators of the TTT main tool Bite Test Mask Test Current BITE1 BITEZ BITES BITE4 BITES Error Count o Threshald Tx nr 33383 of 146000 Time elapsed 44 05 sec In the lower half of the window the user can select between a monitor display of the last 512 read Analog cursor data or the last recorded Detailed data d F I I I I I i I i i I I oO 51 100 150 2700 z250 300 250 400 450 500 550 Ms amp 88 select anase Re EG C Detailed ve Furthermore
105. riod 1 UF24 Period 6 UF4 Period 6 UF 4 Period 32 UF24 Period 48 UF 4 Period Random 157 T Hew Period UELM 4seq Duration 0 00 Pa The selected period will appear in the list Interrogations Period 5 AllCal 4 Add further periods using the method described above Remove unwanted periods using the Cut function or copy and paste periods to build up your pattern The total duration of the pattern is always shown in the lower left corner of the window FE TIT Ch II v4 1 21 12 1999 S Volume 7 Mank dadrentcs TTT User Manual Chapter II Interrogation Scenario Generator 11 19 Total Time 100 00 gs On top of the predefined periods you can enter a delay This is a delay between two consecutive periods or between the end of the first period and the P1 pulse of the first interrogation in the next period Pattern Period1 Delay Period2 Interrogations Period AllCal C Delay 2300 as Period amp UF4 er tf tf Once all periods are entered return to the main window by clicking the Return button gt The period list as well as the total duration of the pattern is copied into the main window rarr I gt Pattern Name New Pattern UELMS Duration 10000 00 s Periods Pattern Pattern C Pattern S AllCal A Pattern S AllCall C Pattern A S LP4 4 Pattern C SLP4 C Pattern UF11 4 UF4 TTT Ch I v4 1 21 12 1999 Pattern UF11 C UF24
106. rns simply increment the index by 1 Now you will see that the bottom pattern scrolls up one position and the bottom position becomes available FED TTT ChIl v4 1 21 12 1999 S Volume 7 placa dedans TTT User Manual Chapter II Interrogation Scenario Generator 1 21 Click on the Greyed menu and select a pattern plus repetition factor Now the run consists of 3 patterns The same procedure can be repeated in principle indefinitely to add additional patterns to the run A selected entry can be eliminated by clicking the Clear Bt ution or by entering 0 as the repetition factor 2 7 _ Compiling 9 Once the scenario is constructed you can compile it This compilation is performed by clicking the Compile button i General General Scenario ints generated Total Time Playstation Alain PTE P2A FAT Ry 19 00 P2A FAT6 RI 14600 Easy Save O Max Int power Rewolution time Make sure a scenario folder is selected in the General area of the Window The compilation can take a while to complete depending on the number of interrogations that need to be generated e g A Model A scenario with 150 000 interrogations lasting 190 seconds takes 48 seconds to compile Following window will be shown compiling scenario Gey Cancel By hitting the Cancel button the compilation process is interrupted This interruption does not corrupt the section of the file that is already create
107. rogation graph Also enter an estimated revolution time of the radar This value is used to allow the generator to enter ACP values azimuthal data in the generated Interrogation data file which is required for the interrogation analyser function intiasett dadeni Volume TTT User Manual TTT Ch I v4 1 21 12 1999 Chapter II Interrogation Scenario Generator 1 9 Max Int power Revolution time sec Override Attenuator O Each time you change the scenario definition the total number of interrogations and the duration of the scenario is calculated and shown in the Info field of the General option info ints generated Total Time 14600 13 00 4 If you want to start editing with an existing scenario now is the time to load that scenario This can be done by clicking the Eg Load button if Easy Save L is off a file dialog will prompt you to enter a filename else Scenariofoldername it is automatically loaded File Dialog alain test it View All lt lE1998 Click OK to load the scenario Note To create a scenario from scratch First create a folder using the new button in the file selector of the general tab Then set the desired parameters in interrogations period Then save the scenario and compile it using the buttons above the tab selectors intiasett dadeni Volume 5i TTT User Manual Chapter II Interrogation Scenario Generator
108. s started by clicking the Record button The button will remain activated until you deselect it Record When the recording is active the progress bar shows the recording progress The amount of megabytes currently recorded is shown in the indicator next to it Analog recoding ME 0 10 The recording can be halted by either deselecting the Record button or by clicking the Halt button Halt The Record button can be selected and deselected as many times as required such creating a data file with different scans recorded one after the other You have to click the Start button again and wait 2 scans before a new recording can be started hh Start 14 Use the Stop button to end the video recording m Stop 15 After saving the measurement click the Done button to end the program Done y inak dadon Volume TTT User Manual Chapter V Window Based Video Recording V 19 5 0 Analysi the Intenogation Data View TIT Windowed vi 5 1 Program Functionality This program performs almost the same functions as the recording window in the video recording program except that this time data is fetched from a disk file rather than directly from the Radar Video Recorder 5 2 Overview of the Functions The following list explains the function of all used buttons of the analysing tool Help ey Load file E Export cb Print Done Toggles th
109. sed in the graph in the lower side of the window using the stagger display representation This methods shows each type of interrogation in a different colour or symbol with the X scale representing time in us and the Y scale representing Time between two consecutive interrogations BS 400 3 4 gt C i Wil p z300 200 o UF 4 20 gt UF 5 21 gt UF 24 a 100 0 l 1 l l I 11 0 0 200 0 400 0 600 0 300 0 1000 0 1220 0 a camem Eao amp Reference E The Y axis zero reference can be selected form the following list J AFC All Call Roll Call Any Hone This means that each time the selected interrogation type is encountered the Y axis value time is reset to zero This results in a specific stagger patterns ein AC the Y scale time is reset each time an A or C interrogation is encountered showing the SSR interrogation schedule ein All Call the Y scale time is reset each time an Mode S or intermode All call interrogation is encountered showing the All Call interrogation schedule ein Roll Call the Y scale time is reset each time an Mode S Roll call interrogation is encountered showing the Mode S Roll Call interrogation schedule This option has less importance ein Any the Y scale time is reset each time an interrogation is encountered showing the FE TTT Ch II v4 1 21 12 1999 S Volume 7 Mank dadrentcs TTT User Manual Chapter II Interrogation S
110. splayed in MBytes and in Pages The tool also shows the number of interrogations in the File A page consists of 64 interrogations Logfile Playstation lain FTE P24 cINTERROGATIONS 0 12 File size Mb aS ALAM SIMPLE SCEN alain simple scen ints 40 Pages in File z570 0 Ints in File If the interrogation file was recorded during a TTT session some result files of this session should be available RES recorded files will not perform this action If this is the case the interrogation analyser will detect this and ask the user which result folder he wants to be linked to the interrogation recording Select the time stamped or none time stamped result folder of your choice FED TIT ChIV v4 1 1 21 03 2000 Volume 7 placa dadrentes TTT User Manual 3 3 Chapter IV Interrogation Analysis IV 5 S electFolder vi Please selectthe TIT Result logfiles folder FAT gt i E CTTT_RSLT_19040228_023743 COTTT_RSLT_19040228_024020 COTTT_RSLT_190402278 0274311 CTTT_RSLT_19040228_024909 THT_RSLT_19040226 024311 Once the folder is selected the special P2A and TTT related features become available TTT power check and TTT Power drop vs duty cycle General Tool Functions 4 A filter can be applied to all data being processed in the the interrogation analyser For the filtering function two actions must be taken The filter must be defined or loaded from disk The fil
111. sts see above Analysis parameters Window size 40 ms Window step zo ms Tx power dEr Tolerance dE Tolerance dB 4 Click the Start button to start the processing The following table will show the results inte dadvenies_ _Youme 5i TTT Ch IV v4 1 1 21 03 2000 TTT User Manual Chapter IV Interrogation Analysis IV 23 P24 power check 6140 14600 2101 5 The table shows the of correct Interrogations the of correct patterns as defined in the interrogation scenario generator Correct Pulses P1 trough P6 correct P6 power drop correct ELM tolerances the average power of all interrogations the minimum detected power on Sum of all interrogations and the maximum detected power on Sum Filtering printing and exporting the data is available in this analysis mode 3 10 P6 power Drop analysis versus Duty cycle This Type of analysis calculates the power drop of each P6 pulse Mode S interrogation and the power drop along the 16 interrogations of an UELM and displays it versus time azimuth or duty cycle before the interrogation in a specific sliding window for a complete interrogation file This analysis does not work for PTE P1 files The calculation of duty cycle is the same as in the above analysis 1 Select TTT Power Drop vs duty cycle from the analysis selection menu Interrogation Graph interrogations Sec Interrogation Duty Cycle TTT Power Check T
112. ter RVR RVI and 2 PDM s The computer RVR and RVI are part of the standard RASS S SASS S configuration The RVI conditions the ACP and ARP to acceptable levels for the RVR digital input The inkak dadon Voume TTT User Manual Chapter I Introduction I 5 RVI does not only output these 2 lines to the RVR but also other control signals for reply TTT ChI v4 1 21 12 1999 window based recording and reply pulse recording For this reason a ACP ARP isolation wire is used This wire isolates the ACP and ARP lines to the RVR The RVI has to be put in normal mode for more detail see Chapter V of this volume and Volume 3 The analog input of the RVR is connected to the sum and control video from the transmitter This enables the RVR with computer to make recordings of the transmitter power in function of azimuth Two PDM modules are used to convert the Rf of the transmitter via a coupler and attenuators to video The PDM has 2 video outputs one with a 20dB range and one with gt 70dB range Transmitter le ACP ARP isolation cal RVR termination resistors Computer Figure 1 2 1 Overview of connections for TTT bold frame in azimuth slaved recording The PDM module requires some more explanation The hart of the PDM module is build around the logarithmic receiver AD8313 all Rf specifications of the PDM are derived from this component Internally a 20dB attenuator is placed in front of this c
113. ter must be activated To define the filter click the Edit Filter button The following window will appear Interrogationssearcheditor yvi Interrogation Filter Date Time Interrogation type Aircraft Address Azimuth Power 5S Int Byte O _ Search in selection Load Save Clear Clear All Enter the specific search criteria for the filter A filter consists of four functional blocks The first block is the object of filtering Choose an object in the list Use the scroll bars to page through the list and click the wanted item FE TIT ChIV v4 1 1 21 03 2000 Volume 7 _ ase dadronies TTT User Manual TTT Ch IV v4 1 1 21 03 2000 Chapter IV Interrogation Analysis IV 6 Interrogation Filter Date Date Time Interrogation type Aircraft Address Azimuth Power 5 Int Byte Q The chosen item is automatically transferred to the filter and the next block the condition is enabled In the same way select a condition from the list is equal to is not equal to is greater than is greater than or equal to is less than is less than or equal to contains The chosen item is automatically transferred to the filter and the next block the value is enabled Type in the desired value and hit the return key value 02 00 00 The chosen value is automatically transferred to the filter and the next block the logical connection is enabled Select a logical operator from the l
114. than 20 ms during which up to 100 Interrogations can be requested The timing of these Interrogations can be either user defined or random The user can define a list of interrogations plus their timing or can enter a definition of the sort of random period The third level is Pattern which consists of a timeframe between 25 and 100 ms representing a beam time and during which up to 20 different Periods can be scheduled The fourth level is Run which is a timeframe during which several patterns can be scheduled Each Pattern can be repeated a number of times The user can enter multiple patterns in one Run e The higher level is Scenario which is a period of time during which the same Run or Pattern can be repeated Every time a random period is scheduled within a Pattern it will correspond to a new randomly selected timing and power level of Interrogations When defined a scenario is then completely predictable The first three levels of a scenario are illustrated on the diagram below Patterns 25 to 100ms Period Period Period Period 0 to 20ms Interrogations up to 100 lt tt MHH tt MHN E TTT Ch I v4 1 21 12 1999 Z I _ imMtersofk ArFdrontes Volume 7 TTT User Manual TTT Ch I v4 1 21 12 1999 Chapter II Interrogation Scenario Generator II 2 For example the TTT will allow to generate Model A scenarios Model A Scenario A Model A scenario will include one Pattern containing 5 ran
115. the upper left corner of the window TTT Ch I v4 1 21 12 1999 y iae dadon e7 TTT User Manual TTT Ch I v4 1 21 12 1999 Chapter II Interrogation Scenario Generator II 8 EO Interrogation Scen Gen vi H General General Scenario ints generated Total Time Easy Save O Max Int power Revolution time sec o a aa a I I 00 25 5 0 75 10 0 125 15 0 175 20 0 225 25 0 275 30 0 34 0 Bo F Jos eoo m K 3 Select the General option interr is the default opening option Select an interrogation Scenario folder by clicking the Browse Ry button or by entering a folder path name Interrogation recording files are stored in the P2A INTERROGATION folder Please select a scenario folder to hold the interrogation scenario data INTERROGATIONS Scenario 9500 HD FTE P24 INTERROGATIONS F 4T P24 FATE el ae O The Easy Save I option allows you to save or load the scenario automatically under the correct name Scenariofoldername it from the selected scenario folder This can be RANDOM TEST done by using the Load and Save buttons If the option is not selected the user is ee Se with a file dialog each time a file is loaded or saved using the ey Load and 4 Save buttons Enter an estimated output power of the transmitter This value will be used for displaying purposes of the inter
116. this graph The user can drag each cursor over the sum or SLS curve of the interrogation The X position has only discrete positions every 62 5ns while the Y value of the cursors is linked to the power entered in the general parameters minus the set attenuation values The user must specify the cursor positions of all interrogations before proceeding Remember that this data can eventually still be altered in the TTT main tool once the system is really connected to the radar 2 4 Entering Penods TTT Ch I v4 1 21 12 1999 6 Once all interrogations are defined we can start defining periods For this purpose click the Period tab on the tab bar Period Periods Period amp Interrogations list Period C Name i Period S AllCal 4 Duration 7500 Period AllCal C Mode A E Period A S LP4 A MRandom settings UF 11 Period C S LP4 C Period 1 UF4 Generation ESPE yit ONCE Period 1 UF24 ae Period 6 UF4 are i Period 6 UF24 of if i Period 32 UF24 Period 48 UF24 Period Random 157 By default the period list is filled with some example periods The user is free to edit these or to add additional periods to the list They can also be removed if you feel the need to do so The size of the list of periods does not influence the scenario in any way since only those periods selected in patterns contained in the run will be compiled Other periods simply reside
117. to spreadsheet text based file Cut item from list Ep Copy item from list paste item in list 18 empty tis S Undo last delete El Select all Print list Close list window and return to the Interrogation analyser TTT Ch IV v4 1 1 21 03 2000 naek dadon Youme TTT User Manual Chapter V Interrogation Analysis V 9 6 Throughout the tool data is presented in a graph This graph can be zoomed panned or scaled using the LabVIEW tool set for Graphs Its contents can also be printed or exported by clicking the print Graph button The following window will appear Report vi All colored items may be changed by the user ES copies ali Logo a alain simple scen ints Title Interrogation Stagger Date 23 06 1999 Fig t 17 22 ms 33 3 24 0 16 0 ee ele acl ces ae ee N FP eee ccc ne 20o oole e eloo Peele ccleces he es OOO elec cle es ooo reece ce bl ae be n 1 elec cle oe 8 0 oe A aR A R A T D T a a a i l 0 160 000 170 000 180 000 190 000 138 623 150 001 2 3 QF Q cursor 0 _ 201 7e deg 250 Jae _ TERR In the report window all the blue items can be changed to fit the user This applies for the following items 1 i 200 000 205 02 deg The header of the page interrogation Stagger The title of the page alain simple scen ints The date and figure number Dat
118. tyle Line Width PE Bar Plots P4 Fill BaseLine PS F The seven graphs each have a legend which can be adapted accordingly This legend can easily be adapted to the preference of the user Details and the contents of the interrogation selected with the cursor are displayed below the graph Interrogation detail t 5 2429519 5 UF 11 FR 1 l 1 gt 44 FFFFFF Power 28 32 dBm Rew n 1 00 RC Reply J A filter can be applied to the interrogation display function Check the apply filter check box PPI Filter M4 and click the Edit Filter eaten Enter the specific search criteria for the filter See above for detail When paging through the data only the interrogations which comply with the search criteria will be displayed Checking the List Interrogations Ht Merregations check box will add a table with details about the interrogations displayed in the graph The graph will shrink to half its size on the window and the interrogations are shown in a graphical table The selected interrogation using the cursor in the graph is also highlighted in the table FED TIT ChIV v4 1 1 21 03 2000 Volume 7 _ ase dadronies TTT User Manual Chapter IV Interrogation Analysis IV 18 3 6 BITE Data Analysis TTT Ch IV v4 1 1 21 03 2000 This function only works for TTT generated files on S2 Airsys type POEMS radars 9 The Interrogator Analyser allows us to display the recorded interrogations BITE m
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