digital stream 中文意思是什麼

digital stream 解釋
數字流
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • stream : n 1 河流，小河；川，溪。2 流出，流注；一連串，（人物等的）輩出。3 （事件等的）連續；（財富等的）...
  1. Dtv is a new way of transmitting television services. sound and pictures are processed electronically into digital signals, which are then transmitted as a bit stream and reconverted by digital tv sets or appropriate set - top boxes into television programmes

    數碼電視是一種傳送電視服務的新方法，以電子方式處理聲音和畫面，並將其轉化為數碼形式，然後把代碼作為數碼訊號傳送，並由數碼電視或適當的解碼器將其回復為電視節目。
  2. 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。
  3. In the beginning, the dissertation gives an overview of digital video system and an introduction of the format of mpeg - 2 transport stream, mpeg - 2 physical interface and frame structure of ds3 stream

    文章首先介紹了關于數字電視系統的一些基本概念， mpeg - 2傳送流格式和mpeg - 2的物理介面，以及ds3碼流的幀結構。
  4. The input stream is decoded and passed through a digital volume control to an 18 - bit over - sampling, multi - bit, sigma - delta dac

    採用fameg獨創性的nand flash保護技術，可使fs7824擁有特定的存儲區域read only區。
  5. The focus of this thesis is the application of motion vectors of mpeg stream and skin - color model to the pretreatment of the face detection a detailed discussion on related theories of digital image processing is presented. then a fast and robust face detection algorithm is proposed at last, a prototype application named with " golden eyes face detection system " is designed with vc6. 0 to verify the validity and accuracy of the algorithm. at the same time, major functions of digital video record ( dvr ) are implemented in the system too

    詳細討論了在人臉檢測過程中涉及的有關數字圖像處理理論，提出了一種視頻運動圖像中快捷、魯棒的人臉區檢測演算法，並用vc6 . 0開發了一套原型程序「金睛人臉檢測系統」驗證了這一演算法的有效性和檢測精確率，同時實現了數字視頻錄像（ dvr ）的主體功能。
  6. Transmission of time code and control code in the ancillary data space of a digital television stream

    數字電視附屬數據空間內時間碼和控制碼的傳輸規范
  7. By adopting fta ( fault tree analysis ) and minimal path sets theory, the fault information stream analysis of spc - 33 digital governor is made, and from the point of system the ft is constructed. and the fault model with logic matrix in mirror symmetry has been built

    本文運用fta故障樹分析方法和最小路集方法，對spc - 33電子調速器進行故障信息流分析，從系統化角度構築ft ，並建立鏡像對稱的故障邏輯矩陣模型。
  8. Mpeg - 2 standard is specified to meet the increasing need of the digital storage media, interactive television, high - define television and etc. mpeg - 2 standard defines two data structures, i. e., transport stream ( ts ) and program stream ( ps )

    Mpeg 2標準是為了滿足對諸如數字存儲媒體，電視傳播以及通信等應用中對運動圖像及相關音頻一般的編碼方法的日益增長的需求而制定的。
  9. 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

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  10. The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission

    在印染cad系統的需求分析問題中，結合目前印染行業的發展和實際cad系統的整體構架，著重闡述了基於三維空間的二段法分色模型，提出了一體化工藝知識庫這個模型的概念，對數字印前系統做了整體的分析、設計在系統的底層架構問題上，著重分析了cad系統涉及到的各類數據，提出一種新型的基於內存流的數據壓縮方法，同時設計了自己的數據結構，用以實現系統的undo 、 redo操作，由於整個系統涉及眾多的圖形圖像演算法和實際工藝，為了提高系統的穩定性和操作速度，以及增強圖像的網路傳輸功能，在部分演算法中採用了矢量的概念，著重講解了灰度圖像矢量化，並且提出了圖像組件這一嶄新的概念。
  11. The essential intention of conditional access system ( cas ) is to achieve pay - tv of the digital broadcast system by means of subscriber management and authorization control. so cas is the key technology to realize the pay - tv and interact - tv. based on composite technology in transport layer, paper describes the production and structure of transport stream in mpeg - 2 standard, mpeg - 2 program special information and conditional access definition in service information from dvb standard

    有條件接收系統（ conditionalaccesssystem ， cas ） ，其基本目的是通過對用戶的授權控制和管理，實現數字廣播電視系統的有償服務，在為運營商帶來經濟上回報的同時，也能為用戶提供更多、更高質量的服務內容，它是實現付費電視、交互電視的關鍵技術。
  12. The technique problems that have been solved are digital governor structure and principle emulating, control panel simulation, fault information stream analysis and spc - 33 digital governor speed control system simulation

    論文所解決的問題是：調速器介面、原理模擬；調速器控制面板模擬；電子調速器故障信息流分析；轉速控制系統模擬。
  13. Secondly, some encryption algorithms are introduced, with the analysis and comparison for these encryption algorithms, the author designs an appropriate project to accomplish the end - to - end encryption. thirdly, this paper accomplish the design of an encryption scheme which combining the strongpoint of the rsa algorithm and the idea algorithm. the main process is as following : first, input the digital signal to the encryption device, and then the digital signal exclusive or with the keying sequence which is generated by key stream generator ( ksg ) and the ksg is based on the idea encrypting and deciphering algorithm, the secret key synchronization is also studied

    本課題主要研究的內容是數字集群通信系統加密機制的研究，首先介紹了數字集群通信系統的安全保密機制，講述了單向和雙向鑒權的過程、單呼和群呼的空中介面加密過程及其密鑰的選用和管理，特別介紹了端到端加密;然後介紹了幾種常用的加密演算法，通過分析其優劣，提出了端到端加密的解決方案;最後完成了基於rsa演算法和idea演算法的數字集群通信系統加密方案的設計，其具體過程為將經過數字信號送入加密器里，和以idea加密演算法為基礎設計的密碼流發生器（ ksg ）產生的密碼序列進行加解密運算，並且研究了此加密過程的密碼同步問題。
  14. An advantage of convolutional coding is that it can be applied to a continuous data stream as well as to blocks of data. is - 95, a wireless digital cellular standard for cdma ( code division multiple access ), employs convolutional coding. a third generation wireless cellular standard adopt turbo coding, which stems from convolutional coding

    Cdma （ codedivisionmultipleaccess ）數字蜂窩標準is - 95採用卷積碼作為其糾錯方案，現在已經通過的第三代數字蜂窩無線通信標準（ 3g ）建議採用turbo碼作為糾錯方案，該碼也是屬于卷積碼。
  15. The vod is rapidly developing with computer technology ( especially digital compression and decompression of multimedia ) network communication technology ( especially stream media ) and tv technology

    視頻點播技術是隨著計算機技術（特別是多媒體數據壓縮解壓縮技術） 、網路通信技術（特別是流媒體技術利電視技術而迅速新興的一門綜合性技術。
  16. This paper focuses on the research and implementation of these six key techniques. firstly, this paper researches the international standards for compression of digital video data, analyses how to compress analog video stream to mpeg - 4 with hardware. it is also involved in the techniques of net transmit of digital video data, such as net protocol, ip multicast, rtp / rtcp and so on

    本文主要是對智能視頻監控系統關鍵技術的研究與實現，主要體現在以下幾個方面: 1 、在視頻數據的壓縮方面，研究與分析了視頻壓縮的標準以及對mpeg - 4壓縮標準做了簡單的介紹，並分析了mpeg - 4的硬體實現方式，即使用硬體編碼晶元vw2010將視頻信號轉換為mpeg - 4格式的視頻流。
  17. This painting involves fetching data from the frame buffer and converting that digital pixel data into a stream of analog signals that the monitor can understand

    這個過程包括從幀緩沖中取數據然後將數據沖數字信號轉換成模擬信號，傳送給顯示器。
  18. Established in 1999, bluetop technology, the leading manufaturer of mpeg2 transport stream test & measurements in digital tv market, is specialized in providing high performanced tools to worldwide broadcasters, stb manufactures, dtv labs, etc

    北京藍拓撲電子技術有限公司成立於一九九九年二月，致力於為用戶提供高精度、高可靠性的數字電視測試設備和解決方案，是領先的數字電視測試測量設備和方案的專業提供商。
  19. In order to supply the main two services ? vod ( video on demand ) and iptv which are used popularly in the application, 8010r & d designed a new streaming media system based on our new operating system named digital organic system ( dos ) with high dependability, high concurrence, low - price - high - efficiency and high retractility as its characters. in our stream media system, there are three important components

    當前政府正在大力推廣internet及寬帶網路，加之正在興起的網路電視計劃，這些因素極大的推動了網路流媒體業務的迅速發展。針對目前流媒體應用最廣泛的視頻點播和在線直播服務， 8010實驗室自主研發了具有高可靠性、高並發性、高性價比及高伸縮性的數字有機體流媒體播放系統。
  20. In essence, e - business is one kind of network application and its content consists of digital stream flowing through network. so it is inevitable that there are uncovered security troubles cased with the opening of internet. all this need effective protection special for e - business

    由於電子商務是一種網路應用，它的所有內容都是以數字的形式流轉于internet之上，因此，在電子商務應用中不可避免地存在著由internet的開放所帶來的信息安全隱患，這在很大程度上阻礙了電子商務的發展。
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