緊急情報衛星同報システムの紹介
Contents
1. Fig 2 3 1 2 1 X 25 C ADESS 1 C ADESS 43 METEOROLOGICAL SATELLITE CENTER TECHNICAL NOTE No 30 MARCH 1995 CPU 1486 20MHz 1 6MB 2 3 577 FR SYNC F 5 82 10 1 F2. RS 232 30 1995 3 2 No FC 9801B 2 2 NSM600 NSD600 2 3 NSS70 19 4 NSC70 1 5 MG443B2 27 3 3 1 3 1 1 C ADESS DCPI O IF
3. C ADESS CDAS 1 2 CDAS 7 2 CDA CDAS 18m CDAS 2 GHz 400MHz UHF 1 3 400 MHz UHF 300bps
4. C ADESS 7 8 2 3 DCPI Data Collection Platform Interrogation CDAS 1 Fig 1 1 DCP 1989 I
5. 1 NRZ L 2 FIR BPSK 70MHz IF gt 70MHz IF A D Q DDC DSP DDC DSP FFT PLL 5 gt muu 2 E
6. NEC 51 1995 3
7. 418 46 2 3 A B 3 70MHz 28 IF IF POWER ON OFF FAULT 72 974MHz 3KHz 1 x10 10dBm 2dB 3 750 2 BPSK 2 R 1 2 K 7 G1 1111001 G2 1011011 300bps 600bps 50db 5KHz 5MHz 300KHz 1 MHz 72 974MHz 750Hz 30dB 1750 3 R 1 2 K 7 G1 1111001 G2 1011011 30 1995 3 3 3 1
8. 2 2 M 0 RR 2 RR 4 2 C ADESS Fig 4 2 20 ID BCH FR SYNC 300bps F 4 3 4 3 1
9. 5 25 gx c T ll 2 d C a 2 2 lt 7 ka 13 13 Fig 4 2 Protcol between CDAS and C ADESS 50 30 oe BPSK ee 2 R 1 2 K 7 300bps 600bps CDAS
10. PSK Phase Shift Keying 2 BPSK Binary PSK BPSK 4 3 2 2 48 1995 3 30 0 EREHHHHHHHH e s n a n s gt 2 n r 2 EEEEEEEEIEEEEI 8571
11. C ADESS 2 7 C ADESS 1 V 24 V 28 x ITU X X 25 PVC 256 1 4800bps JIS X0201 JIS 3 NRZ L 300bps BCH Fig 3 3 2 3 2 1 70MHz
12. 1 2 DCPI 3 3 2 1 DCPI IF POWER ON OFF 2 750 72 974 2 60dB 3 4 3 4 1 468 924MHz DPCI 72 974MHz IF 3 4 2 1 468 924MHz DCPI 72 974MHz IF POWER ON OFF FAULT 2 468 924MHz 500 72 974MHz 47 METEOROLOGICAL SATELLIT
13. 30 1995 3 Outline of Emergency Information System using a data relay function of GMS Mitsutoshi Hagino Naoki Nanrin Abstract Since Tunami forcast advisories and warnings and earthquake information have to be issued promptly Emergency Information System using a data relay function of GMS was established on Apeil 1 1994 Tunami forcast and Earthquake information sent from C ADESS are corded in the emergency format and modulated at CDAS which are trnsamitted to the meteorological offices via GMS 468 924MHz band The meteorological offices throughout the country are able to receive certainly those informations relayed by GMS if the land line telecommunication is disputed This document briefly describes the technical characteristics of CDAS s unit and the data format 1993 7 12 230 71
14. 1 1 CDAS 1995 1 13 1995 2 16 41 METEOROLOGICAL SATELLITE CENTER TECHNICAL NOTE No 30 1995 C 468 924492 Z DG P 4800BPS7 LF 72 974MHz k DCP La 468 924 1OMHz j 2 974 50 2 N T Fig 1 1 Block diagram of units CDAS 28 1 C ADESS lt EPOS fig 1 2 Flow of Tunami Forcast from ETOS to CDAS 42 Fig 1 2 60km 150
15. 2 Fig 2 Block diagram of Data Processing Unit 44 1995 3 30 0 68 15 1 7 4 AB 901T 3ulpsaH 31915 51842 HOS WSVaO ul AG 4 2 L XI H di Ol L lt 34 3 a N S 4 2 Je 5002 4 4 amp 4 99 6 02 gt 1 7 1 _ 8 815 02 5531 I 45 METEOROLOGICAL SATELLITE CENTER TECHNICAL NOTE No 30 MARCH 1995 ID BCH 7 DCPI DCPI IF
16. 8SM 014 5 6 0 19 nZ 03 k 4 689 1 0 16 amp 4 4 28 101 14 1 Yo Casta 18 X Sy Yes 2 814 G 5 73 S W AK ZX E 02 S tX 10 20 10011410 1 2 1 4 4588 amp 2 1034 5 24 2811 281 44 amp 99 6 7 gt zxo gt 2 Z 6 2320 4610107 6 5 e 8 212 5 2 2 9 3 lt 41 2 038 00330 45 95 lt ls 3144 80081 3 18090 4 46 881 2586 4 5144 08 100005 r z lt nZ 4 2 gt 4 lt G 45 811 0 1 HH kr ANKE RIO 014 4 METEOROLOGICAL SATELLITE CENTER TECHNICAL NOTE No 30 MARCH 1995 R 1 2 x 3 4 773 gt E lt
17. E CENTER TECHNICAL NOTE No 30 MARCH 1995 HJJ4 Ze Zx Z 750 3 10dBm 2 3 5 3 5 1 2 974MHz 2 2 974MHz 50KHz 1 X10 4 4 1 C ADESS C ADESS X 25 CDAS CDAS C ADESS C ADESS 1 CADS 1 RR C ADESS 2 CDAS 1 C ADESS RR
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