Transcription of DZ002 第四級海上無線通信士 ... - nichimu.or.jp
1 DZ008 18 2 A 1 I A X P X r m (1) X A (2) P H A/m I B (3) P H A/m r C A B C 1 2 3 4 5 A 2 (Tr) 1 < 1 2 IC IC = IE + IB 3 = IC /IE 4 = IC /IB 5 = /(1- ) A 3 P 360 W cos I V 100 V 1 A 2 A 3 A 4 A 5 A A 4 AP (1) AP G G = A log10 ( B ) dB (2) G 40 dB AP C A B C 1 10 Vi /Vo 100 2 10 Vo /Vi 10 3 20 Vo /Vi 100 4 20 Vo /Vi 10 5 20 Vi /Vo 100 Vi : V Vo.
2 V Vi Vo AP V =100 V P = 360 W cos = N N P P E1 E2 V IC (C) A IB (B) A IE (E) A E1 E2 IB IC IE B C E Tr N P N Tr IE IC IB E B C N N P E1 E2 P X r m X I r P H (DZ008-1) A 5 DSB(A3E) (1) A (2) B (3) C ( ) A B C 1 A 2 C 3 A 4 C 5 A A - 6 FM(F3E) (1) A (2) FM(F3E) B (3) C A B C 1 2 3 4 5 A 7 (1) A (2) B (3)
3 C A B C 1 2 3 4 5 A - 8 (1) A (2) B (3) 1 C A B C 1 bps bit/s 2 2 J/s W 3 bps bit/s 4 J/s W 5 bps bit/s 2 A C (DZ008-2) A 9 1 ASK 2 FSK 3 QAM 4 PSK 5 BPSK PSK 2 A - 10 (1)
4 A (2) B (3) C A B C 1 L C D T 2 D L C T 3 D T L C 4 T L C D 5 T D L C A 11 1 (VHF) 2 STC 3 4 IAGC 5 FTC A - 12 (1) A (2) B (3) C A B C 1 (SHF) 2 (SHF) 3 (SHF) 4 (VHF) 5 (VHF) T D L C V T L D D D D C R (DZ008-3) A 13 ( ) (1) A (2) B (3)
5 C A B C 1 2 3 4 5 B 1 AM(A3E) FM(F3E) 1 2 (VHF) (UHF) (S/N) B 2 1 2 B 3 ( EPIRB) (1) EPIRB (2) EPIRB MH MHz (3) EPIRB EPIRB (4) EPIRB (5)
6 1 2 1,200 3 4 5 6 7 406 8 9 10 A (DZ008-4) B 4 (1) D (2) E (3) F D E (4) E Es ) (5) 1 2 3 4 E 5 6 7 8 9 D 10 B 5 3 (1) (2) (3)
7 1 2 3 4 5 1/4 6 7 8 9 10 1/2 (DZ008-5)
