1、 556942013 . , 1 - ( )2 480 3 8 2013 . 1335-4 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , - - II 5569420131 .12 13 24 45 .55.1 .55.2 .55.3 .66 .76.1 76.2 .96.3 .96.4 106.5 116.6 177 OFDM 227.1 OFDM 227.2 .247.3 (TPS) 257.4 OFDM.288 .298.1 .298.2 .30 A () , .34 () (F1) (P1) 37 () 39 () 40 () DV
2、B-H4148III 556942013 . , Digital video broadcasting. Digital terrestrial television broadcasting.Framing structure, channel coding and modulation 201409011 () - DVB-T :- () ;- ;- ;- , DVB-H.2 : 1765779 . 2187988 . 2437580 . 2440288 . 522102004 . 525912006 -. 525932006 . - , - , 1 , - . - , , . , - ,
3、 (). , , , , , . , -, , , .1 556942013 3 52210, 52591, 52593, 17657, 21879, 24375, 24402, , 15:3.1 (sync-word byte): 8 , 0 c180 47, .3.2 : , .3.3 (punctured convolutional code): ,- .3.4 (Gaussian channel): , - , - . , , - .3.5 (interleaving depth): , , .3.6 : , (, ).3.7 (guard interval): OFDM,OFDM .
4、3.8 (hierarchical transmission): , .3.9 OFDM (OFDM frame): - DVB-T, - 68 OFDM.3.10 (time slicing): - , .3.11 (BCH code):- ,- . DVB-T - .3.12 : , - OFDM.3.13 - (Reed-Solomon code): , , .3.14 (code rate): .3.15 (mapper): .3.16 (Multiprotocol Encapsulation, MPE): -, - (, IP-) MPEG-2.3.17 - (continual p
5、ilot carriers): , OFDM.3.18 (active carrier): 2K, 4K 8K.3.19 (Single Frequency Network, SFN): , .2 5569420133.20 (packet): , , .3.21 (interleaving): .3.22 (bit-wise interleaving): , .3.23 (symbol interleaving): , .3.24 - (pilots): OFDM, , , , , .3.25 (polarization discrimination): , - , -, .3.26 (ge
6、nerator polynomial):,- , . - - .3.27 (portable reception): , 1,5 .3.28 (high-priority stream): , , - .3.29 (low-priority stream): , - , .3.30 (pseudo random binary sequence,PRBS): , - , , -.3.31 (Ricean channel): , , - , , .3.32 (randomization): - .3.33 - (scattered pilots): , OFDM.3.34 (Rayleigh ch
7、annel): , - , , - , , .3.35 (signal constellation): - - .3.36 OFDM (OFDM symbol): , OFDM - .3.37 (digital terrestrial televisionbroadcasting system): , - , , - MPEG-2 MPEG-4.3 5569420133.38 (scrambler): , .3.39 OFDM (OFDM super-frame): - 4 DVB-T.3.40 (transport packet): 188 , 4 184 .3.41 (transportstream): .3.42 (fixed reception): , .3.43 (cell): OFDM, -
