application of combining circuit in signal transmission system 合成電路在信號傳輸系統(tǒng)中應用
emphasis circuit design in high quality signal transmission system 高質(zhì)量信號傳輸系統(tǒng)中加重電路的設計
principle of high speed multicenter 8 b adc-max155 156 and application in radar hf-signal transmission system 156的原理及在雷達高頻傳輸監(jiān)控裝置中的應用
although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de-multiplexing, audio and video signal decompression technique and real-time software technique with upriver data coding technique etc . therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience 機頂盒雖然只是數(shù)字電視傳輸系統(tǒng)的終端設備,但所用到的關鍵技術涉及到數(shù)據(jù)解調(diào)、信道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟件技術和上行數(shù)據(jù)的編碼技術等。因此,通過對機頂盒軟、硬件的研究開發(fā),既能為以后研究如何提高信息傳輸?shù)挠行院涂煽啃宰骼碚撋系臏蕚?也為圖像信號和音頻信號的數(shù)字化處理積累經(jīng)驗。