dvb 中文意思是什麼

dvb 解釋
標準
  1. Schemes of the cpe equalization in dvb - t receiver

    系統中子載波頻域均衡接收機設計
  2. These years we have developed strongly acidic macroreticular catalysts based on styrene dvb. catalyst resin d006 for mtbe tame etbe, also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification. d008 for sba ipa, also can be used for making methyl ethyl ketone by acetone one - stepping process, tert - butanol by isobutene hydration, etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol, high

    以上，增強了催化活性，從而延長了使用壽命，提高了周期產量二低溫活性好，選擇性強，提高了mtbe的純度，降低了雜質含量三在同樣裝置中，可增大負荷，提高產量，降低生產成本和費用。
  3. A new variable interpolated filter in dvb - s

    基帶濾波器中可變插值率補償技術
  4. Mam system for dvb program platform at tianjin telesivion system

    節目平臺中的媒體資產管理系統
  5. Vsat and dvb reseller of south satellite telecom service company

    廣東南方衛星公司業務代理
  6. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視頻解析器的設計兼容了橋接器對數據推送的速率，在該解析器中通過「解析音視頻基本流」演算法來識別出每一個流的格式、每一幀數據，並對這些數據重新打包成一個個數據sample ，再通過「音頻pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳，最後在相應的輸出pin上進行發送。
  7. When the digital cable set - top box working, the entire dvb - c receiver work is establishment on the synchronized

    在數字有線電視機頂盒的工作中，整個dvb - c接收機的工作都是建立在同步的基礎上的。
  8. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  9. This paper discusses some important technologies closed to dtv receiving system deeply, base on scn and cctv. it includes mpeg - 2 system level, dvb service information, conditional acceptance. it also describes how to realize epg, ca, upgrade on line etc based on the dtv service information technology at lengtho now, the production of this design is applied to the digital tv products of cctv and sichuan tv net

    本論文結合數字電視在四川廣電網和cctv的具體應用情況，深入研究探討了與數字電視接收系統緊密相關的部分關鍵技術，包括mpeg - 2系統層結構分析、 mpeg - 2和dvb業務信息分析、數字電視條件接收基本原理和加解擾及加解密技術，並詳細敘述了如何運用數字電視業務信息技術實現了電子節目指南、條件接收、在線升級等基本業務。
  10. It has been studied that the effect of component, cross - linking agent pg and dvb and initiating agent bpo on mechanical properties of pu ( based polyether ) / ps ipns

    研究了組成、交聯劑pg和dvb以及引發劑bpo對基於聚醚pu用s互穿網路聚合物材料力學性能的影響。
  11. Data broadcasting system is a key component of digital television system, and the popular specifications for it are dvb / davic in europe and atsc in america

    其中數據廣播將是數字電視的一個重要部分，無論是歐洲的dvb davic系統還是北美的atsc ，都展開了相應的研究和標準制定工作。
  12. Chapter 2 offers a brief description of dvb / davic standards, including the format of mpeg - 2 transmission stream, package method of dvb, and the components of dvb data broadcasting system

    第二章介紹了hfc catv網路上的主流數據廣播技術： dvb davic系統，包括碼流格式、封裝技術和系統構成。
  13. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system ( dvb ), and so on

    Reed - solomon碼（簡稱rs碼）是一種具有很強糾正突發和隨機錯誤能力的通道編碼方式，在深空通信、移動通信、磁盤陣列以及數字視頻廣播（ dvb ）等系統中具有廣泛的應用。
  14. Dvb / mpeg - 2 transport stream multiplexer / demultiplex takes an important role in digital video broadcasting system. it can combine several transport streams from source encoder into a single transport stream to transport channel, or demultiplex trasnsport stream into one program sorce to source decoder. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver. mpeg - 2 system multiplexer signalized video, audio, host data and so on to fixed length packet type for making transport stream

    Dvb mpeg - 2傳送流復用解復用是數字電視廣播系統中的重要組成部分之一，它將從信源編碼器輸出的多路節目源復用成一路傳輸流送入傳輸通道，或者從通道中包含多路節目源的一路傳輸流中解復用出一路節目送到解碼器解碼。
  15. And introduce the development of digital signal processing. chapter 2 gives an overview of dvb and mpeg - 2 transmission standards in digital video system

    第二章主要講述了數字電視系統中與節目復用相關的dvb部分標準和mpeg - 2部分標準。
  16. This paper focus on the principles of the outer code and implementation in asic ( application specific integrated circuits ) of dvb - c ( digital vision broadcasting - cable ) channel receiver

    本文著重於有線視頻廣播系統（ dvb - c ）傳輸系統中外碼原理及其在專用集成電路晶元（ asic ）上的實現。
  17. This thesis deals with the algorithm of synchronization and its dvb - c ( digital vision broadcasting - cable ) implementation. the synchronization is used in the dvb receiver of hdtv cable broadcasting transmission system

    本文著重於有線視頻廣播系統（ dvb - c ）傳輸系統中符號的同步定時原理及其在專用集成電路晶元（ asic ）上的實現。
  18. A enhanced realization scheme of dvb - c is introduced by the simulation and comparation of some blind equalization algorithms

    通過對各種盲均衡演算法的模擬與比較，提出了用於dvb - c系統的優化的均衡器實現方案。
  19. Chapter 3 treats the algorithm implementation of demodulator in the receiving asic of dvb - s. in detail, demodulation includes carrier recovery and symbol synchronization. together with the transmission characterization of band - limited input signals the chapter proposes a scheme for implementing carrier recovery loop

    解調具體分為載波恢復、時鐘同步兩大部分，本章著重論述了載波恢復的原理並結合dvb - s輸入信號傳輸特性，提出了相應的實現方案，對部分電路進行了性能分析。
  20. Dvb delay vacuum bypass system

    福特點火延遲真空旁通系統
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