1、 56161 2014 (DVB-T2) . ETSI EN 302 755 V1.3.1 (2012-04) Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) ETSI TS 102 831 V1.2.1 (2012-08) Digital Video Broadcasting (DVB); Impleme
2、ntation guidelines for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) ETSI TS 102 773 V1.3.1 (2012-01) Digital Video Broadcasting (DVB); Modulator Interface (T2-MI) for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) 561612
3、014 II 1 - ( ) 2 480 3 13 2014 . 1311- 4 (ETSI): 302 755 V1.3.1 (2012-04) . , (DVB-T2) ETSI EN 302 755 V1.3.1 (2012-04) Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ; 102 831 V1
4、.2.1 (2012-08) . (DVB-T2) ETSI TS 102 831 V1.2.1 (2012-08) Digital Video Broadcasting (DVB); Implementation guidelines for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ; 102 773 V1.3.1 (2012-01) . (T2-MI) (DVB-T2) ETSI TS 102 773 V1.3.1 (2012-01) Digital Video
5、Broadcasting (DVB); Modulator Interface (T2-MI) for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 561612014 1 (DVB-T2) . Digital Video Broadcasting. Modulator of a second generation digital terrestrial televis
6、ion broadcasting system (DVB-T2). Basic parameters. Technical requirements 20150901 1 DVB-T2 174-230 470-862 ( ), DVB-T2. . , . 2 : IEC 600652011 -, - . 12.1.030-81 . . , 12.2.007.0-75 . . 15150-69 , . . , , 21130-75 . . 32134.12013 . . 32134.142013 . . 14. 50829-95 , . , 1 , . , , . , , (). , , , ,
7、 , , , , , , . . 561612014 2 3 , 3.1 : 3.1.1 2- (T2-modulator interface, T2-MI): , , 2- 2-. 3.1.2 (single frequency network): , . 3.1.3 Ethernet Ethernet network Ethernet: , IEEE 802.3. 3.2 : ; ; ; ASI (Asynchronous Serial Interface); BER (Bit Error Ratio); GPS (Global Positioning Satellite); LDPC (
8、Low-density parity-check code); MER (Modulation Error Ratio); MPEG ; - (Moving Pictures Expert Group); SFN (Single Frequency Network); SNMP UDP (Simple Network Management Protocol); UDP (User Datagramm Protocol). 4 4.1. 174-230 470-862 . 36 . 4.2 100 . 4.3 1 . 4.4 (MER) 35 . 4.5 BER, LDPC, 10-9. 5 5
9、.1 5.1.1 X7FWX. 5.1.2 DVB-T2. 5.1.3 ASI Ethernet 1 MPEG-2. 5.1.4 T2-MI , MPEG-2, T2-MI , - DVB-T2 2. 5.1.5 50 0 20 5 . 5.1.6 Ethernet 10/100 Base-T WEB- SNMP. 561612014 35.1.7 /GPS SFN ( ): 1 , , 2,7 5 , (50 5) ; 10 , 0,05 1,5 , (50 5) 18 . 5.2 5.2.1 100 . 5.2.2 , () 0,15 30 , 8.3 8.4 32134.12013 1.
10、 1 , () 0,15 30 , Uc, , 0,15 0,5 . 66 56 56 46 .0,5 5 . 56 46 . 5 30 . 60 50 : 1 . 2 0,15 0,5 Uc 1 : : ;15,0lg1,1966fUc : ,15,0lg1,1956fUc f , . 5.2.3 80 2000 9.2 32134.12013 (6.1 32134.142013). 5.2.4 9.4 32134.12013 (6.2 32134.142013). 5.2.5 9.8 32134.12013 (6.2 32134.142013). 5.2.6 , , 9.7.2 32134.12013 (9.7.3 32134.142013). 5.3 5.3.1 , , 12.1.030, IEC 60065, 12.2.007.0, 50829. 5.3.2 . 5.3.3 15150 : 45 561612014 4 , 60 . 5.3.4 36 . 5.3.5 1410 . 5.3.6 2 . 5.3.7 , , . , , 0,1 . 5.3.8 , , . 5.3.9 ( ) 21130 ( ). 5.3.10 ( ) .
