Jan 22, 2016
31 (BSTV) ()
32 (/) 321 750300 40lx 115
1 (1) (2) (3) 2 (CCDCMOS)
3 ( )10 30
322 FSS CCDCCD
323 VTRLDDVD () (1) UUmatic3/4 (2) max1/21/2 (3) VHS(S-VHS)1/21/2 (4) 8mm(Hi8) 8mm 8mm250Hi8380400SONYSHARP (5)1 (6)LDVCDDVD EVD
33 ()()() 331 1 (45d8)
2
3 ; , 4 ()
34 341 1 ()PALHVSAFKPALP
(1)3-14 (2) (3)
342 () 1 (1)VHF48223MHz(UHF)470960MHz (2)(VSD) 0.751.25MHz fSfP6.5MHzfP-1.25MHz20 dB
SSB()VSB0.75MHz1.256MHz
(a) (b) ()(c) (AGC)
50Hz15kHz(FM)50kHz75kHzB B2(fm+fm)2(50+15)130kHz mf mf
(3) VSB3-20()8MMz 8MHzVHFUHF683-192167MHz566606MHz88108 MHz8892 MHz
2 (1) ITUC2.5GKu12G
35 351 1 VHFUHF (1kW)(110kW)(10kW)
2
3 8MHz 6.5MHz -1.25MHz 6MHz VSB0.75MHz fm50 kHz50s 10:l 15:1
352 VHFUHF VHF UHF
46 361 1 (1) ()h1h2d h1h2md/ (2) ()() (3) UHF
2 3-554dB(YHF)66dB(UHF) P(kW)Gr(km)(m)h1h2(m)
362 1 ()50km
2 () (1) fL()fL|fPT - fPR|=|fST - fSR|fPTfPRfSTfSR (2) AGC
3 (1)
(2) (3) 37 371 372 ()()