1、 2014 55696 2013 . DVB-T/T2 . . P 55696 2013 II1 - ( )2 480 3 - 8 2013 . 1337-4 1.0 2012 ( 8). - ( 1 ) , - . ( ) - . , (gost.ru) , 2014 , - - P 55696 2013 1 2014 09 011 ( ) DVB-T 1, DVB-T2 2, III, IV, V 7845 ( , .1). , - . , , -, , - . 2 : 7845-92 . . 52210-2004 . 52595-2006 . 50397-2011 . 51317.4.1
2、1-2007 ( 61000-4-11-2004) -. , -. 51317.4.2-2010 ( 6100-4-2:2008) . . 51317.4.3-1999 ( 6100-4-3-95). . . 51317.4.4-2007 ( 6100-4-4:2004) . . 51317.4.5-99 ( 6100-4-5-95). . . - 15150-69 , . - . , , - 16019-2001 . - . DVB-T/T2 . . Digital video broadcasting. Transmission equipment for digital terrestr
3、ial television broadcasting DVB-T/T2.Technical requirements. General parameters. Measurement methods P 55696 2013 2 18 07 . - . 12.3.019-80(2001) . - . 12.1.006-84 . . - 20532 83 I-V . , - - - - , 1 , , , . , , - ( ). , , , , , . , -, , , .3 , 52210, - :3.1 : , - , - .3.2 ( ) : , - / - / .3.3 : OFDM
4、 - , OFDM .3.4 : , - , , .3.5 T2-MI: BB, - , , - DVB-T2. 3.6 BB: , DVB-T2.3.7 : .3.8 (MER): , . ( ) -. .3.9 : MPEG-2, - , .3.10 -: , OFDM.3.11 (GSE): , - GSE . P 55696 2013 33.12 (GCS): , , 64 .3.13 (GFPS): , - . 64 .3.14 : , .3.15 : -, , .3.16 : .3.17 -: , OFDM.3.18 OFDM: , - OFDM .3.19 : , - . 3.
5、20 : - .3.21 : OFDM, - , -.4 :4.1 1K, 2K, 4K, 8K, 16K, 32K DVB-T/T2, - OFDM (K = 1024);4.2 8K ext, 16K ext, 32K ext DVB-T2, - ; 4.3 ASI (Asynchronous Serial Interface) ;4.4 BCH (Bose Chaudhuri Hocguenghem) - ;4.5 BER (Bit Error Ratio) ;4.6 DVB-T/2 (Digital Video Broadcasting Terrestrial) ;4.7 LDPC (
6、Low Density Parity Chec (codes) ; 4.8 1 MER (Modulation Error Ratio) ;4. MIP (Mega-frame Initiali ation Pac et) -;4.10 MPE -2 (Mo ing Picture Ex erts rou ) - / 13818 , ;4.11 OFDM (Orthogonal Fre uency Di ision Multi lex) - ;4.12 PPS (Pulse Per Second) ( );4.13 AM ( uadrature Am litude Modulation) ;4
7、14 PSK ( uadrature Phase Shift Keying) ;4.15 SPI (Synchronous Paralel Interface) ;4.16 TPS (Transmission Parameter Signaling) ;4.17 TS (Trans ort Stream) ;4.18 TSoIP (Trans ort Stream o er IP) IP;4.1 ;4.20 ;4.21 c ;4.22 ;4.23 ;4.24 ;4.25 ; P 556962013 44.26 1 8 (Pilot Pattern type) - - DVB-T2; 4.27
8、 ;4.28 ;4.29 5 5.1 . - : 10; 25; 50; 100; 200; 250; 500; 1000; 2000; 5000, 10000 - .5.2 10 %.5.3 DVB-T MPEG-2 , 1 - ( , , ), - 2 8. 1 1/4 1/8 1/16 1/32 , /QPSK1/2 4,98 5,53 5,85 6,032/3 6,64 7,37 7,81 8,043/4 7,46 8,29 8,78 9,055/6 8,29 9,22 9,76 10,057/8 8,71 9,68 10,25 10,5616-QAM1/2 9,95 11,06 11
9、71 12,062/3 13,27 14,75 15,61 16,093/4 14,93 16,59 17,56 18,105/6 16,59 18,43 19,52 20,117/8 17,42 19,35 20,49 21,1164-QAM1/2 14,93 16,59 17,56 18,102/3 19,91 22,12 23,42 24,133/4 22,39 24,88 26,35 27,145/6 24,88 27,65 29,27 30,167/8 26,13 29,03 30,74 31,675.3.1 DVB-T2 - , 2 7 - ( , , - , -) 8, 16,
10、 32 . MPEG-2, - 14.5.3.2 DVB-T2 T2-MI, - PLP 2 7, :- MEN/SFN, SISO/MISO;- SISO , 2 7 . P 55696 2013 52 32K -,PP2PP4PP6PP7PP81/1619/2561/819/1281/321/1619/2561/321/1281/1619/2561/819/128QPSK1/26,66,56,26,17,16,96,87,27,57,17,06,76,63/57,97,87,37,38,58,38,28,79,08,58,58,17,92/38,88,78,38,29,59,29,19,710,09,59,49,08,83/49,99,89,49,210,710,410,210
