LUẬN VĂN VIỄN THÔNG NGHIÊN CỨU CÁC TIÊU CHUẨN SỐ HÓA TÍN HIỆU VIDEO TRONG KỸ THUẬT TRUYỀN HÌNH SỐ

51 553 0
LUẬN VĂN VIỄN THÔNG NGHIÊN CỨU CÁC TIÊU CHUẨN SỐ HÓA TÍN HIỆU VIDEO TRONG KỸ THUẬT TRUYỀN HÌNH SỐ

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

Thông tin tài liệu

WUèQJLKặFKQJKLYLáWQDP NKRDLáQLáQWỉWXELàQ OXQYrQWWQJKLS 7rQvWwL 1JKLzQFằXFFWLzXFKXQVơKRWÂQKLX9LGHRWURQJNWKXW WUX\QKQKVơ 6LQKYLzQ9à$QK7XQ /Sw79w+ *9K}QJGQ7KV/z4XơF9}QJ PêFOêF 1LGXQJ 7UDQJ 0~X &K}|QJ,7êQJ4XDQYNWKXWWUX\QKQK ,+WKơQJWUX\QKQK 0~X 7ÂQKLXYLGHRW}|QJWẳ D&FORLWÂQKLX EwF~LPFDWÂQKLX F3KêWÂQKLXKQK wUQJYFXWUảFExQJWQNzQK ,,7UX\QKQKPX .KLQLPWUX\QKQKPX 3K}|QJSKSWUQPX D3K}|QJSKSWUQTXDQJKăF E3K}|QJSKSWUQNK{QJJLDQ F3K}|QJSKSWUá G&F~ÊQKOXWF|EQYWUQPX 0R*DPPD 6|~âNKơLKWKơQJWUX\QKQKPX 7ÂQKLXWUX\QKQKPX D7ÂQKLXFKĐL E7ÂQKLXKLXVơPX *KSSKêWÂQKLXPDQJPXYWÂQKLXFKĐL ,,,&FKWUX\QKQKPX +WUX\QKQKPX176& +WUX\QKQKPX3$/ +WUX\QKQKPX6(&$0 &K}|QJ,, &|VNWKXWWUX\QKQKVơYELXGLQQKVơ ,+WKơQJWUX\QKQKVơ ,,wF~LPFDWUX\QKQKVơ <zXFXYExQJWQ 0RSKLWX\Q 7ắOWÂQKLXWUzQWSyP61 &KâQJSKê ;ạOWÂQKLX .KRQJFFKJLDFFWUPWUX\QKQK~âQJNzQK +LXằQJ*KRWV *LWKQKY~SKằFWS  ,,,%LXGLQQKV¬ *L±LWKLX 0{WNK{QJJLDQ %LXGLQQKV¬ 4XDQKJLºDFF3L[HOV ,9&FSK}|QJSKSELQ~ªLW¢QKLXYLGHR 7¢QKLXYLGHRV¬WªQJK²S 7¢QKLXYLGHRV¬WKQKSKQ &K}|QJ,,,6¬KRW¢QKLXYLGHR  ,wF~LPF´DW¢QKLXV¬ ,,&KX\Q~ªLW}|QJW¼V¬$'& &FWKDPV¬F|EQ 1JX\zQOÀOPYLFF´D$'& &FSK}|QJSKSFKX\Q~ªLW}|QJW¼V¬ D3KyQORL E&KX\Q~ªL$'WKHRSK}|QJSKSVRQJVRQJ F&KX\Q~ªL$'Q¬LWLSG³QJY¤QJK©LWLS G&KX\Q~ªL$'SKLWX\Q  ,,,/\PXW¢QKLXYLGHR /\PX &XWU¶FO\PX ,9/}²QJW¹KRW¢QKLXYLGHR 90ÅKRW¢QKLXYLGHR .KLTXWFKXQJ &FORLPÅ &K}|QJ,9WLzXFKXQW¢QKLXYLGHR ,7LzXFKXQO\PXW¢QKLXYLGHR 7LzXFKXQO\PXW¢QKLXYLGHRPXWªQJK²S D/\PXW¢QKLXYLGHRWªQJK²S E7LzXFKXQI 3$/ F7LzXFKXQI 176& 7LzXFKXQO\PXW¢QKLXYLGHRWKQKSKQ D/\PXW¢QKLX E/\PXW¢QKLXYLGHRWKQKSKQ &XWU¶FO\PX ,,7LzXFKXQO}²QJW¹KRW¢QKLXYLGHR ,,,7LzXFKXQWUX\QKQKV¬F|EQ&&,5 .WOXQ 7LOLXWKDPNKR                                           0ÂxX 7UX\QKQKQK}WzQJăLFDQĐOPWKWKơQJELQ~êLKQKQKYyPWKDQK NPWKHRWKQKWÂQKLX~LQWUX\Q~QP\WKXQ|LWKẳFKLQELQ~êLWÂQKLXQ\ WKQKGQJEDQ~XYKLQWKÊOzQPQQKG}LGQJKQKQK &{QJQJKWUX\QKQK~SKWWULQYELQ~êLTXDQKLXWKđLNẵWáWUX\QKQK ~HQWUQJ~QWUX\QKQKPXQK}FFK3$/6(&$0176& 1J\Q\YLVẳSKWWULQPQKPFDF{QJQJK~LQWạVơWKWUX\QKQK W}|QJWẳFàQJGQ~}FFKX\Q~êLVDQJGQJNWKXWWUX\QKQKVơYLF{QJQJK Q\FKRSKS~PERWơWFKWO}QJWUX\QKQKWURQJQKLXF{QJ~RQQK}LQVDR ExQJQKLXOQWUX\QGQFKX\Q~êLWLzXFKXQYKJKLKQKFDPHUDVơP\ JKLKQKVơWUQNWKXWVơN[RVơ~NKLQFKRFK}|QJWUQKWUX\QKQKVLQK ~QJK|Q +LQQD\Q}FWD~Y~DQJ~}DGQWUX\QKQKVơYRSKWWKạQJKLP~ WLQWLWKD\WKWUX\QKQKW}|QJWẳEQJWUX\QKQKVơ 9Y\QLGXQJEQERFRQ\QKPFXQJFSQKQJNKLQLPY~FWU}QJ F|EQYWUX\QKQKYLQLGXQJFKÂQKOWPKLXYFFWLzXFKXQVơKRWÂQKLX YLGHRWURQJNWKXWWUX\QKQKVơYWLzXFKXQWUX\QKQKVơF|EQ &K}|QJ,OWêQJTXDQYNWKXWWUX\QKQK&K}|QJQ\QKPQzXNKLTXW YF{QJQJKWUX\QKQK~PăLQJ}đLQP~}FFFNKLQLPF|EQYFFWK{QJVơ FDNWKXWWUX\QKQK1ĐFàQJOF|V~QJKLzQFằXWLSFFFK}|QJVDX &K}|QJ ,, JLL WKLX Y F| V N WKXW WKX\Q KQK Vơ Y ELX GLQ QK Vơ &K}|QJQ\QKPJLLWKLXPWFFKNKLTXWQKWYFFFKWLzXYFFWK{QJVơ FDKWKơQJWUX\QKQKVơ &K}|QJ,,,OSK}|QJSKSVơKĐDWÂQKLX9LGHRFK}|QJQ\V~LVyXYR SKyQWÂFKELQ~êLWÂQKLXWáWÂQKLXW}|QJWẳVDQJWÂQKLXVơ &K}|QJ,9OFFWLzXFKXQVơKĐDWÂQKLX9LGHRO\PXO}QJWạKĐDP KĐDWURQJWUX\QKQKVơYWLzXFKXQWUX\QKQKVơF|EQWKHR&&,5 &KwvQJ, WQJTXDQYNWKXWWUX\QKQK ,+WKQJWUX\QKQK 0p{X 7UX\QKQKGẳDWUzQ~F~LPFPQKQQKVQJFDPWQJ}đL~WUX\Q~L WK{QJWLQFQWKLWQKVQJOQKQJEằF[~LQWáFĐE}FVĐQJQPWURQJNKRQJ P~Q P7K{QJWLQQKQWK\FDYW~}FPWQJ}đLFPQKQSKãWKXF WÂQKFKWSKQ[FDYW&}đQJ~YWKQKSKQSKêFDWLDVQJSKQ[SKQQK WÂQKFKWSKQ[FKảQJ[F~ÊQK~FKĐLYPXFDYW0WQJ}đLFPQKQQKLX E}FVĐQJFDPXF|EQO~Ơ5OãF*YODP% +WKơQJWUX\QKQKWKẳFKLQ[ạOWÂQKLXPDQJWK{QJWLQY~FKĐLYPX FDYWwQWFDQKPXSKãWKXFYRPXVF6|~âKWKơQJWUX\QKQK~}F YWUzQKQK +QK6|~âNKơLKWKơQJWUX\QKQK 7URQJWUX\QKQKQK~}FFKLDWKQKQKLXSKQWạQKƠUâLELQ~êL~FKĐL YPXFDFFSKQWạ~ĐWKQKWÂQKLX~LQ81K}Y\WÂQKLXKQKSKLOKP FDQKLXELQVơ 8 I/ Sh[\W 7URQJ~Đ /~FKĐLFDSKQWạQK Sh E}F VĐQJ Y ~ WKXQ NKLW [F ~ÊQK PX FD SKQ Wạ QK [\WR~[F~ÊQKYÊWUÂFDSKQWạQK WWKđLJLDQ[F~ÊQKWKđL~LPO\QK 7UX\QKQKGẳDYRVẳO}XQKFDPW~WUX\Q~LQKQJKQKQKOLzQWLS QKPWRFKRFRQQJ}đLFPJLF~ĐOQK~QJ1XWDWUX\QQKJLy\WKNKL WLWROLKQKQKQJ}đL[HPVFĐFPJLFKQKQKFKX\Q~QJOLzQWãFwơLYL WUX\QKQK~WUQKKLQW}QJEÊUXQJOFKRFFĐYW~HQWU{LWUzQPQKQKNKLE OăFQJXâQNK{QJ~PERFKWO}QJQJ}đLWDWUX\QQKJLy\~ơLYLQKQJQ|L VạGãQJ~LQO}LFĐWQVơ+]YQKJLy\~ơLYLQKQJQ|LFĐWQVơ~LQ O}L+] wWUX\Q~}FKQKQK~QJYLGHRWáQJQK~}FSKyQWÂFKEQJTXWUQK TXWWKQKFFGÔQJWKHRFKLXQJDQJ&ĐORLTXWOTXWOLzQWãFYTXW[HQN 4XW[HQN~}FVạGãQJWURQJWUX\QKQKWLzXFKXQ3$/6(&$0176&~ORL WUáKLQW}QJFKSVQJ 3K}|QJSKS[HQNFàQJJLơQJSK}|QJSKSTXWOLzQWãFFKôGÔQJ~LQWạ FàQJTXWWáWUzQ[XơQJG}LWáWULVDQJSKLYFFGÔQJ~LQWạTXWQJ}FGÔQJ YPWFàQJ~}F[R +QK3K}|QJSKSTXW[HQN wLPNKFF|EQ~y\OQJ}đLWDFKLDQKWKQKQạDYWKẳFKLQTXW WKHRQJX\zQOQK}VDXKQK0ôLQK~}FWUX\QOPO}WO}W~XWUX\QWW WGăF TXWWKXQGÔQJ 7 7 7 FQKQJGÔQJOJăLOPQKOO}WWUX\QWWFQKQJGÔQJ FKQJăLOPQK FKQ 9OÊFKVạWUX\QKQKFKăQWQVơOSOLFDPQKEQJWQVơ~LQO}L'}L FF~LXNLQFẳFWUÊYLFELXWKÊ~âQJEYLWQVơO}L~LQVOPJLPYLFQKQ WK\PRGRTXW9LFQKQWK\QKLXVJLPQXP\WKXYP\SKWOPYLFYL FQJ~LQO}L 7QKLXYLGHRWonQJWĐ D&tFORuLWQKLX 7ÂQKLXYLGHRWêQJKS~}FWRWáFDPHUDEDRJâPWK{QJWLQYLGHRWÂQKLX ~âQJEWÂQKLX[R7ÂQKLXYLGHRWUX\Q~LFFWK{QJVơVDX~y\ - 0ằF[RPằF~âQJE - 0ằF~HQFKXQ - 0ằFVQJWUXQJEQKFDQK - &KLWLWQK - *LWUÊPX 7K{QJWLQ~âQJEEDRJâPWK{QJWLQY - wâQJETXWGÔQJ - wâQJETXWPQK - wâQJEJLLPPX 7K{QJWLQ~âQJEGÔQJYPQKGQJ~NÂFKPFKTXWGÔQJYPQKWURQJ P\WKXKQK1ĐEDRJâP[F[XQJFĐ~FWU}QJELzQ~~UQJWQVơYGQJWKÂFK KSFKR~âQJE;XQJ~âQJEFĐFẳFWÂFKyPQPJLDY ;XQJ[REDRJâP[RGÔQJY[RPQK;XQJ[RGÔQJYPQKFĐWKđLJLDQ OQK|QWKđLJLDQ~âQJEGÔQJY~âQJEPQK EizFpLPFDWQKLX 7ÂQKLXKQKOWÂQKLX~|QFẳFWÂQKELY~FKĐLFDQKFĐFẳFWÂQKG}|QJ ELQ~êLWáNK{QJ~QJLWUÊG}|QJFẳF~L 7ÂQKLXKQKFĐFKằDWKQKSKQFKLXWUÊWUXQJEQK7UÊWUXQJEQKFDWÂQ KLX~ơLYLPôLGÔQJWắOYL~FKĐLWUXQJEQKFDGÔQJ~Đ7UÊWUXQJEQKFDWÂQ KLX~ơLYLPôLQKWắOYL~FKĐLWUXQJEQKFDQK~Đ 7URQJTXWUQKFKX\Q~êLWÂQKLXKQKEÊQJWTXQJTXDWáQJGÔQJ7LD~LQ WạOPQKLPYãFKX\Q~êLQKTXDQJWKQKWÂQKLX~LQTXWOzQWKQKWáQJGÔQJ NKLKWFKXNẵTXW~}FFKLDOPSKQ 3KQTXWWKXQWLD~LQWạFĐWFGãQJFKX\Q~êLQKWKQKWÂQKLX~LQ FKLPNKRQJ ữ FDFKXNẵTXWGÔQJ 3KQTXWQJ}FOSKQWKđLJLDQWLD~LQWạWáFXơLGÔQJTXD\Y~XGÔQJ ~FKXQEÊTXWWLSGÔQJVDXFKLPNKRQJ ữ FDFKXNẵTXWGÔQJ 7URQJNKRQJWKđLJLDQTXWQJ}FWÂQKLXNK{QJPDQJWLQWằFFDQKQzQ ~}FGQJ~WUX\Q[XQJWWGÔQJ7ÂQKLXKQK~\~~}FWUQKE\WUzQKQK &àQJW}|QJWẳQK}Y\~ơLYLQKNKLWLD~LQWạTXWKWQKWLDSKLFKX\Q ~QJQJ}FWUOLWáG}LOzQWUzQ~}FJăLOWKđLJLDQTXWQJ}FFDQK7URQJ NKRQJWKđLJLDQQ\WÂQKLXNK{QJPDQJWLQWằFFDQKQzQ~}FGQJ~WUX\Q [XQJWWPQK7KđLJLDQTXWQJ}FFDQKWK}đQJGLEQJ ữ FKXNẵTXW GÔQJ 0ằF~QKFD[XQJWW~}FFKăQY}WTXPằF~HQPWÂW~~PERWWKRQ WRQWLD~LQWạơQJWKXWURQJWKđLJLDQTXWQJ}FJăLOPằFTX~HQ +QK7ÂQKLXKQK F3KWQKLXKQK 0WQKFĐFFWKQKSKQWQVơFKLPPWNKRQJUQJYExQJWQQK}QJ SKêFDQĐNK{QJOLzQWãF +QK3KêWÂQKLXKQK ;F~ÊQKWQSKêFDWÂQKLXKQKO[F~ÊQKFFWKQKSKQ[RD\FKLXFDWÂQ KLX QJYLFFFKLWLWOQFDQKOFFWKQKSKQWQVơWKSằQJYLFFFKLWLW QKƠFDQKOFFWKQKSKQWQVơFDRFDWQSKêWÂQKLXKQK7QVơFDRQKWFD SKêWÂQKLXKQKSKãWKXFYRVơGÔQJTXWwF~LPFDSKêWÂQKLXKQKOJLD 7 7 7 7 7 FFQKĐPSKêKLWQVơGÔQJWâQWLFFNKRQJWUơQJ&ĐWKOLGãQJFFNKRQJ WUơQJQ\~WUX\QQKQJWÂQKLXNKF 7URQJWU}đQJKSWÂQKLXFĐFXWUảFSKêQK}QKDXQXEơWUÂVDRFKRFF QKĐPSKêFDWÂQKLXWKằQPYRFFNKRQJWUơQJJLDFFQKĐPSKêFDWÂQKLX WKằQKWWKFĐWKWUX\QFWÂQKLX\WUzQNzQKWK{QJWLQYVDX~ĐWFKFKảQJUD ~}F 7ÂQKFKWQ\~}FằQJGãQJWURQJWUX\QKQKPX3KêFDWÂQKLXPX~}F VS~WYRFFNKRQJWUơQJFDWÂQKLXFKĐL iUQJYqF~XWUĂFEjQJW{QNlQK %xQJWQF|EQFDWÂQKLXYLGHRFĐJLWUÊNKFQKDXYÂGã0+]. 0+]00+],0+]/%xQJWQNzQKSKWVĐQJEQJOQExQJWQF| EQ7X\QKLzQ~UQJNzQKSKWKQK~~}FWKXKSO0+]Y0+]~ơLYLWLzX FKXQY0+]~ơLYLWLzXFKXQ 3K}|QJ SKS WKX KS ~ UQJ NzQK ~}F TX\ ~ÊQK %LzQ ExQJ WQ WUzQ ~}F WUX\QQJX\zQExQJFÔQELzQExQJWQG}L~}FVX\JLPEQJPFKOăFWURQJP\ SKWKQK wUQJExQJWQNzQK~UQJExQJWQFDELzQWQFãWNKRQJFFKJLDWL KQKYWLWLQJWKD\~êLWKHRWáQJWLzXFKXQ9LFWUX\QGQ SKWVĐQJWK{QJWLQ KQKQKYyPWKDQK~ÔLKƠLNK{QJJy\UDPRWÂQKLX9LGHRY$XGLR7URQJ~Đ NKyX~LXFKYLGHRY~LXFK$XGLR~ĐQJYDLWUÔTXDQWUăQJWURQJYLF~PERFKW O}QJKQKQKYyPWKDQK ,,7UX\QKQKPqX .KtLQLPWUX\QKQKPqX +WKơQJWUX\QKQK ~HQWUQJWKẳFKLQSKyQWÂFKQK FQWUX\QWKQKFF PXUđLUFUâLWUX\QFFPX~Đ7K{QJWLQ~}FWUX\Q~LOWK{QJWLQY~FKĐLFD FF~LPQK WL SKÂDWKX V WKX~}FQK WUX\Q~L WKQKPW QK ~HQWUQJ7X\ QKLzQFQKYW[XQJTXDQKWDFKằD~\PXVFYY\WUX\QKQKFQSKLWUX\Q~L ~}FFFWK{QJWLQYPXVFFDQKVDRFKRSKÂDWKXFĐWKNK{LSKãF~}FWKQK KQKQKFĐPXVFQK}WKẳFW 7UX\QKQKPX~}FSKWWULQQKđOWKX\WPXWURQJ~ĐPăLKQKQK ~XFĐWKSKyQWÂFKYWêQJKSWáFFPXF|EQ7UX\QKQKPX~}F~FWU}QJ EQJFFWK{QJVơY~VQJPXVFY~ERKRPX7URQJ~ĐPWPXWKẳF ~}FWRWáPXF|EQO~Ơ5OãF*YODP%.WKSPXF|EQWKHR WắOQKW~ÊQKWDV~}FPXWUQJYFFPXNKFQKDX +WKơQJWUX\QKQKPXNK{QJ~}FOPWxQJVơNzQKWK{QJWLQPYQWUX\Q ~}FKQKQKPXYWKRPQ~}FWÂQKNWKSWURQJ~ĐP\WKXKQKPXFĐWK WKX~}FFK}|QJWUQKSKWFDP\SKWWÂQKLX~HQWUQJYQJ}FOL9Y\~ WKRPQ~}F~LXNLQNWKSFQSKWFWÂQKLXSKQQK~FKĐLFDKQKQK NPYLFFWÂQKLXPDQJWLQWằFYPXVFWURQJ~ĐWÂQKLXFKĐLFĐWKWRUDWá WÂQKLXPXF|EQ 7ÂQKLXWUX\QKQKPXFĐWÂQKFKWNKFYLWÂQKLXWUX\QKQK~HQWUQJ 4XWUQKWRWÂQKLXWUX\QKQKPXV[XWKLQFFKLQW}QJPRWURQJ~ĐPR JDPPDJy\QKK}QJOQQKW~QYLFWKLWNKWKơQJWUX\QKQK 3KonQJSKtSWUQPqX wFĐ~}FQKQJPXVFWKÂFKKSFĐUWQKLXSK}|QJSKSWUQPX D3KonQJSKtSWUQTXDQJKF 3K}|QJSKSQ\GẳDWUzQNKQxQJWêQJKSPXNKLFĐPWVơEằF[PX VFNKFQKDXWFGãQJ~âQJWKđLYRPWWKWRUDPWPXPL.KQxQJWêQJKS PXFÔQELXKLQKLXằQJFQJFFPXOQO}W[XWKLQ1XWKđLJLDQ[XWKLQ FDFFPXW}|QJ~ơLQJQWKVẳ[XWKLQOQO}WFDFFPXVFFĐWKWRUDPW PXPLVF~SKãWKXFF}đQJ~YWKđLJLDQ[XWKLQFFEằF[WKQKSKQ.KL ~âQJWKđLKRFOQO}WUăLKRFPWVơFKPVQJPX~ƠOãFODPYFĐF}đQJ~ VQJWKD\~êL~}FOzQFQJPWPWSKQJSKQ[NKXFKWQKRQWRQQXWKD\~êL F}đQJ~FFFKPVQJWKPXVFWUzQPWSKQJVWKD\~êL+QKPLQKKR FFPXWKX~}FNKLFKLX~âQJWKđLPX~ƠOãFODPFĐFQJF}đQJ~OzQPQ FKQ +QK7UQPXWKHRSK}|QJSKSFQJTXDQJKăF E3KonQJSKtSWUQNKmQJJLDQ .KLFFPXVFWFGãQJYRPWPFFWLDPXNK{QJU|LFQJYRPW~LP WURQJPWJLVạFF~LP~}FUăLQPJQQKDXWKPWFàQJFĐWKWêQJKS~}F FFNÂFKWKÂFK~WRWKQKPWPXPLwĐOKLXằQJFQJYNK{QJJLDQFFPX VF1KđFĐKLXằQJQ\PNWKXWWUX\QKQKFĐWKWRUDQKPXSKằFWSEQJ FFKJKSFFGÔQJPXNKFQKDXKRFJKSFF~LPPXNKFQKDX F3KonQJSKtSWUÊ 1JXâQ VQJ 5 * % wƠ /ãF /DP 9QJ 7UQJ 0Q FKÂQ /|

Ngày đăng: 20/06/2014, 11:35

Từ khóa liên quan

Tài liệu cùng người dùng

  • Đang cập nhật ...

Tài liệu liên quan