1、 52593200672004/91 , 27 2002 . 184- , 1.02004 . 1 - ( )2 3 - 22 2006 . 263-4 (-T): J.110 (04.97), J.83 (1997) (ETSI): EN 300429 (1998)5 , -.().-, , 2007,- II 5259320061 12 13 14 25 .35.1 .35.2 .36 .66.1 66.2 .76.3 .87 .87.1 .87.2 97.3 10 () - . 13 14III 525932006 , Digital video cable broadcasting s
2、ystem.Methods of channel coding, framing structure and modulation 200701011 , , :- - ;- , , .2 : 520232003 . . . 522102004 . 525922006 . . 1765779 . 2187988 . 2267077 . 2440288 . - - - , 1 , , . (), - () . , , , , .3 17657, 21879, 22670, 24402, 52023, 52210, - 1 2:1 525932006 3.1 (pseudorandombinary
3、sequence generator): , .3.2 (deinterleaving): - , - (, ).3.3 (error-correcting code): , .3.4 (m-tuple): , .3.5 (in-band ripple): - .3.6 (interleaving): - .3.7 (pseudo random binary sequence): -,- .3.8 (radiochannelofcabledistributionsystem):, .3.9 (cabledistributionsystemradiofrequencysignal):,- .3.
4、10 () (mostsignificantbit):, ( , ).3.11 (convolutional interleaving): , -. .3.12 (cabletelevisionsystem): -,-,.4 :c97 ;c108 , -;Ak,Bk ;ASI (Asynchronous Serial Interface) ;b0, ., b7 ;b0, ., b7 ;DVB (Digital Video Broadcasting) ;DVB-C (Digital Video Broadcasting by Cable) ;f ;fN(Nyquist frequency) ;g
5、(x) -;G(X) ;H(f) -();HEX(hexadecimal) ;I, Q ;Id ;j ;k -;2 525932006LSB (Least Significant Bit) () ;m -Q;M -Q ( );MPEG-2 (Moving Picture Experts Group) /13818,;MSB(MostSignificantBit) ,();n -;np ;q ;rm ;RS(n, k, t=8) - n k;SPI (Synchronous Parallel Interface) ;STB (Set-Top Box) ;t , -;V ;X, , ; , , -
6、;Z ; (AFC) - ;QAM (Quadrature Amplitude Modulation) ;M-QAM(QuadratureAmplitudeModulation) - , ;(MSB); (PRBS) () ; (IF) ; (RF) ; ; (TS) .5 5.1 -, , ,-()MPEG-2 3. - . (Q)16-,32-,64-,128-256- 3, 4. MPEG-2 , MPEG-2, -, .5.2 5.2.1 , ,- 1.3 5259320064 52593200615.2.2 - -:- ;- ;- -;- ;- m- ;- ;- ;- .5.2.3 - , 1. 1 MPEG-2 ( 52592) MPEG-2 - MPEG-2 ( 52592) MPEG-2 (- )5.2.4 MPEG-2 , SPI ASI : , - , . .5.2.5 . - .5.2.6 -,15- .5.2.7 RS-, m- . -.5.2.8 M 16 256. =64-.5.2.9 , - Q. , , Q .5.2.10 I Q - . I Q , - Q , .5.2.11 - ( ).5 5259320066 6.1 6.1.1 -188.1- ( 0
