电视原理复习

1/362010080,,(P2)46HZ(P2);MMK2/36K0.51.0K=0.76M=0.76*575=473P3NNN43N=43*0.76*575=5833/36P3()(P3)4/36(P3),100%(P5)1(P78)1RGB2YCrCb5/363YUVP9VSBAM12P1138MHz31.5MHz6.5MHz33.57MHzP11126MHZ1.136/36P12,137/36P148/36(p15,16,17)159/3610/36(P17)11/3612/36(P21,22)2213/3614/36P24,25P25,2615/3616/36P28SDTV720576720576DVDP28HDTV192010801080192016:9305P28CRT8P3017/36P30,3118/3619/36P3233NTSCPAL20/36P3435NTSC21/3622/36P3637383940PALP404142434445PAL23/36P4243(43)NTSCPAL24/3625/36P43,44,451226/3627/3628/36P45,46,47,48PALNTSC29/36P49(P161-170)PAMPAMPCMP144Y,Cb,Cr4:4:44:2:24:2:04:2:044:4P144ATSCMPEG-2AC-3DVBMPEG-2,MPEG-1;ISDB,MPEG-2MPEG-AACP145146MPEG-2MPEG-2ISO/IEC13818MPEG-2MPEG-2310MbsP156P156IPB30/36MPEG-2IPBIP,BPBP157MPEG-2123456P157MPEG-21DCT2345MPEG-1a.DCTb.c.d.e.f.g.P1581591601-1.5khzP171P1711DCT()()(2)(DPCM)(3)(DCT)(P186187188)P186(P187)31/36(P187)DPCM(P187)(P187)(P187188)(P189)(P189.190)tt~t1t~t1(P189)(P190.191)(190)DCTDCT(FDCT)DCTIDCT1-D2-D1-D1-D1-D2-D2-D(P191)DCT(P191.192)DCT10,0967.5DCTDC21,0-163.4DCTDC(P193.194)32/3610233-3-4-2-121-2-3-1-3111-2MPEG-412-D23Z-Z(P195.196.197)1abcb2VLC01.013(P197.198.199)()(P201)()()(P201)P20233/36DFDDFDDFDDFD8x8,16x1616x1616x1616x1616x1634/3616x16P202203(1)(2)()(3)(4)(5)(P204)(1)(2)()(P204)()(1)()(2)(3)()(P206)(P206)(P206)(P207.208)LCDLCDPDPLCDLCDLCDLCDR,G,BCRT35/36LCDLCD2LCDCRT,PDP(P215)PDPPDPRGBPDP123;(4)LCD,CRT5PDP123(P220)OLEDOLEDLCDOLEDOLED12LCDOLEDOLEDOLEDa.123b.1OLED2OLEDc.12OLEDPM-OLEDITOLED,LEDOLED(AM-OLED)TFTCMOSTFTTFTOLEDPM-OLEDAM-OLEDOLEDLCD12336/36(4)5678910OLED12(P227)ThissectioneditedbyRaoLi20131017