digital video transmission 中文意思是什麼

digital video transmission 解釋
視頻數字傳輸
  • 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。
  • video : n. 電視;視頻;影像。adj. 電視(用)的,視頻的,錄像的。
  • transmission : n 遞送;傳遞;傳達;傳染;移轉;【機械工程】傳動;傳遞;變速器;聯動機件;【無線電】傳送;發射;...
  1. This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system

    本文分析了電視臺對于自動播出系統的需求,在課題研究中,通過在電視臺實地考察和通過各種途徑搜集資料,對電視臺的播控系統工作機制進行了系統的分析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同時本文分析了整個視頻自動播出系統的播出部分的設計過程,並在串口通訊理論,網路傳輸理論的基礎上,設計了一套基於單片機的小型系統,實現了遠程播控的功能,並為該系統設計了計算機端的控制軟體。
  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. 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。
  4. Digital video transmission for cable television

    有線電視的數字電視傳輸
  5. General specification for digital video transmission system of fiber optic

    數字視頻光纖傳輸系統通用規范
  6. Dongdahong computer ( shenzhen ) co. ltd is a company which mainly serve in network system integration, safety monitoring system, net communication, digital video transmission, multimedia telephone conference, corporation telephone, public broadcasting, one card consumption management system, integrated software researching, and at the same time also serve in the distribution and sales of branded computer, notebook computer, office equipment, digital products, hotel ( vod ) song order system

    深圳市東達宏電腦有限公司是一家以網路系統集成、安防監控系統、網路通訊、數字視頻傳輸、多媒體會議系統、集團電話、公共廣播、一卡通管理消費系統、綜合軟體開發為主,兼營品牌電腦、筆記本電腦、辦公設備、數碼產品、酒店( vod )點歌系統等。
  7. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  8. The services of electric power communication network have already expanded from telephone scheduling and transmitting data in low speed to digital user ' s service with high speed and great capacity, such as computer internet, wide area network and video transmission, etc. its structure has already developed from simple star topology, which is used to serve schedular center, to today ' s multicenter network to assure that the network can serve the requirement of increasing transmission of electric power information

    電力通信網的業務已從調度電話、低速率遠動數據傳送擴展到高速、數字化、大容量的用戶業務,例如計算機網際網路、廣域網、視頻傳送等。電力通信網的結構也已從單一服務于調度中心的簡單星形方式發展到今天多中心的網狀網路,以保證能為日益增長的電力信息傳輸需求服務。
  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. A device that converts analogue video and audio signals into digital for transmission over telecommunications facilities and also converts received signals back into analogue format

    一種將視頻和音頻的模擬信號轉換為數字信號進行傳輸,並將收到的數字信號轉換回模擬信號的儀器。
  11. Following it, the design plan of digital video monitoring system based on network is brought forward. we represented mpeg - 1 technique and the popular tcp / ip network protocol, then analyzed the model of client / server and the mechanism of video network service, which included mpeg - 1, com and network transmission techniques

    然後在闡述了mpeg - 1視頻壓縮編碼方法和目前通用的網際互連協議( tcp ip )原理的基礎上,對客戶機服務器模型以及視頻信息的網路通信機制進行了分析和研究,採用mpeg - 1技術、 com技術和網路傳輸技術。
  12. The thesis analyse some disadvantages of the existing system, which adopted broadcast communication and could n ' t span multi - net - segment to surveille the scene from the long - distance. just in such a background, we started to study the task of " digital network video surveillance system based on ip multicast ". in the thesis, problem of " real - time performance and qos of video transmission are addressed comprehensively

    論文分析了現有網路監控系統大多採用廣播的通信方式,不能跨越多個網段進行遠程視頻監控等不足之處,提出了本論文的研究任務與目標即「基於ip組播技術的數字化網路視頻監控系統」 。
  13. Development of uncompressed multichannel digital video optical fiber transmission system

    無壓縮多路數字視頻光纖傳輸系統的研製
  14. Matsusaka system development handles the development and manufacture of evaluation systems and inspection devices in response to individual customer demands in respect of energy saving, high quality, etc. by combining ccd drive technology, video signal processing technology, digital signal transmission technology, radio transmission technology, etc. together with computer control technology

    Ccd驅動技術,顯像信號處理技術,數字信號傳送技術,無線傳送技術和電腦控制技術相結合,達到了顧客要求的省力化,高品質化等的要求,著手開發和製造評定系統和檢查裝置。
  15. We hope to cooperate with you in the digital video and net work transmission areas

    我們期待在數字視頻和網路傳輸等領域與您攜手合作。
  16. The thesis deals with the algorithm of demodulation and its asic ( application specific integrated circuit ) implementation. the demodulation is used in the dvb receiver of digital video broadcasting satellite transmission system

    本文所研究的正是衛星電視廣播系統dvb標準接收機中數字解調的演算法及其在專用集成電路晶元( asic )上的實現。
  17. Due to the huge volume of digital video data, the transmission and store of the digital video require very high transmission bandwidth and very huge capacity. these high requirements have become the biggest obstacles to popularize digital video communication applications

    由於視頻圖像的數據量非常大,數字視頻傳輸所需的高傳輸速率和數字視頻存儲所需的巨大容量都成為推廣應用數字視頻通信的最大障礙,這也促使視頻壓縮編碼的應用日益廣泛。
  18. With dab ( digital audio broadcast ) ofdm was used for the first time for wireless transmission. the decision to vise ofdm for the digital video broadcasting standard dvb - t followed at the beginnings of the nineties

    數字音頻廣播( digitalaudiobroadcast , dab )的出現,使得ofdm技術首次應用於無線傳輸系統,並於20世紀90年代,應用於歐洲的數字視頻地面廣播( dvb - t )標準。
  19. Dvb - s2 is the second - generation digital video broadcasting specification for satellite applications developed by digital video broadcasting ( dvb ) project in 2003. compare with dvb - s, it has been specified around three concepts : best transmission performance approaching the shannon limit, total flexibility, and reasonable receiver complexity

    Dvb - s2是第二代衛星數字視頻廣播標準,由dvb ( digitalvideobroadcasting )項目組於2003年發布。與dvb - s標準相比,能夠在合理的接收機復雜度下得到更好的性能和更大的靈活性。
  20. In the simulation, its redundancy - rate - distortion performance is analyzed firstly, then the performance of error concealment and error resilience, the coding framework proposed in this paper are tested and compared with the mdc based on pct and sdc in error - prone environments, the results testify that not only the proposed mdc scheme has a better robustness but also a higher coding efficiency, which ensures reliable transmission of compressed digital video over networks

    在模擬實驗中,首先對其冗餘率失真進行了分析,然後和基於pct的mdc及傳統單描述編碼方法在有突發錯誤及丟包壞境中,對錯誤隱藏和錯誤復原等抗誤碼性能進行了比較,結果表明:本文的多描述編碼在易錯環境中不僅具有更優良的抗誤碼性能,而且編碼效率較高,能夠保證在網路上視頻傳輸的可靠性。
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