標準傳輸碼 的英文怎麼說

中文拼音 [biāozhǔnzhuànshūmǎ]
標準傳輸碼 英文
standard transmission code
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  1. Beginning with the current satiations of net medicine, according as conformance statement of dicom standard, adopting oriented - object method, this article implements the followings : dicom storage service, including scu and scp. for many image type. reshowing of high grayscale image, encoding process 1 - baseline and jpeg - ls algorithm for compression and decompression of image. farther study the print meta service class and the complicated procedure

    本文立足國內目前網路醫學的發展，以dicom標準中一致性聲明為準則，採用面向對象的方法實現了圖像存儲傳輸服務類通訊、高灰階圖像的重現， jpeg ? ls和編碼進程1的baseline演算法壓縮和解壓處理，並對列印通訊進行一步的研究。
  2. The project bases on mpeg - 2. after introducing the system, audio and video of mpeg - 2 standard, the article ulteriorly describes the coding rules of mpeg - 2 streams, builds the system model based on understanding the streams structure, and makes out a resolving blue print in the multiplexing and converting streams

    在深度剖析了mpeg - 2標準的編碼規則和理解mpeg - 2的碼流結構的基礎上，通過分析系統層、節目流和傳輸流音視頻的不同層次，本文建立了碼流合成與轉換並輸出播放的系統模型，並得出了碼流合成與轉換的實現方案。
  3. This master ’ s degree thesis firstly introduces and discusses the principle of ofdm and the merged blue print for digital terrestrial television broadcasting in china, then proposes a scheme for the test platform of narrowband ldpc decoding efficiency based on fpga. this scheme includes techniques such as time - domain synchronization using pn and power estimation using pilots

    本論文首先介紹並討論了數字電視傳輸標準tds - ofdm的實現原理，對其中的一些關鍵問題做了詳細的分析，在此基礎上提出了一種基於fpga的窄帶ldpc解碼-誤碼測試平臺設計方案，即利用時域pn頭同步及頻域導頻進行功率估計的fpga設計。
  4. This test platform is simplified ofdm digital television transmission system. the test platform provides a quick and efficient tool to testing the efficiency of ldpc coding for the setting up of dtv standard, without the need of the completing whold dtv system, saving time, improving work efficiency. even this platform is simplified version, but it still has all the key technique of dtv transmission system, accumulating experiences for the design of dtv transmission system, and it can easily expands

    由於數字電視傳輸系統是一個復雜龐大的工程，為了驗證數字電視傳輸系統中ldpc編碼的效率，以便於標準的確立，窄帶ldpc解碼-誤碼測試平臺就提供了一個快速，有效的編碼測試工具，而不用等整個系統完整的收發端設計完成之後才進行測試，大大的節省了時間，提高了工作的效率，有利於數字電視傳輸標準的盡快確定。
  5. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播傳輸系統的重要組成部分，是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多，性能各異，因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能，並針對外碼內碼級聯糾錯結合地面通道瑞利衰落提出了一種有效的理論分析方法和性能的計算機比較演示方案，總結了不同級聯方案的性能特點，對於我國目前的數字電視地面廣播標準的研究和通道級聯糾錯方案的確立及其參數選擇具有一定的參考價值。
  6. This algorithm increases the speed and accuracy of the motion vector search in intra - frame / inter - frame model selection, i proposed an adaptive selection method of intra - frame / inter - frame prediction model, based on tmn recommendation. in this paper, chapter one introduces the needs for low bit - rate video compression and relevant standards. chapter two first introduces briefly some common image compression methods, then emphases on the algorithms used in h263 + encoding and decoding

    本論文第一章概述了當今世界對甚低碼率視頻圖象壓縮編碼的需求以及相關的國際標準；第二章簡要介紹一些具體的圖象壓縮編碼方法，對于在h . 26x編解碼器中運用到的圖象壓縮演算法給予了重點介紹；第三章詳細探討了h . 26x系列標準，對于重點和難點部分作了詳細的闡述；第四章是具體的編解碼器設計以及核心演算法描述；第五章是h . 26x編解碼器在局域網視頻傳輸中的一個具體運用。
  7. Standards of digital tv broadcast has specified transmitting systems which are based on various medium such as satellite - oriented transmitting system ( dvb - s ), cable - oriented transmitting system ( dvb - c ), terrestrial - oriented transmitting system ( dvb - t ). different system adopts different methods of channel codec, modulation and demodulation, but for signal source block codec, only mpeg - 2 standard has been applied for all the systems. as a compression standard being specified in digital tv broadcast transmission, mpeg - 2 has been widely involved on compression occasion

    對于數字電視信號的傳輸，數字電視廣播標準制定出基於多種媒質傳輸的傳輸系統，如衛星傳輸系統（ dvb - s ） ，電纜電視傳輸系統（ dvb - c ） ，地面廣播（ dvb - t ） ，不同的傳輸系統制定不同的通道編碼和調制解調的方法，但是對于所有傳輸系統的信源編碼則一律採用mpeg - 2這一標準。
  8. Software system includes the main contents of this research, which is made up of the following modules : image sampling module is used to capture the images from the analog monitor according to the order from the remote operator, and transmit these images to the local image server in real - time. this step will prepare for the further processing of the images. sample class is programmed by c + + in order to

    文章總結了目前圖像處理技術和圖像編碼技術發展的現狀，針對離子探針樣品圖像傳輸、處理的特點，設計並實現了一個支持多種圖像處理方法的圖像處理類庫，在此基礎上根據聯合圖像專家組的jpeg2000標準的第一部分實現了基於小波變換的圖像壓縮演算法，並且成功應用於離子探針樣品圖像傳輸系統，達到預期的效果。
  9. This system outputs error - corrected mpeg - 2 transport streams which complies with the dvb common interface format

    該通道解碼系統輸出的是經過糾錯的mpeg - 2傳輸流（ ts流） ，它遵循dvb通用介面標準。
  10. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。
  11. Thus many isolated networks are formed in tv station, and this brings much inconvenience. web services is a new distributed computing technology, it combines the tight - coupling n - tier computing technology and the concept of loose - coupling web together, thus allows the clients access the distant web services via standard network transfer protocol ( http ). the messages of request and response are all encoded in xml format

    Web服務（ webservices ）是近年來剛剛出現的一種分散式計算技術，它將緊密耦合的n層計算技術與鬆散耦合的web概念相結合，允許客戶端通過標準網路傳輸協議http調用遠程的web服務，調用請求和返回結果都用xml進行編碼，從而實現了平臺無關性。
  12. The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "

    系統實現中解決的關鍵問題和特色主要有以下幾個方面： （ 1 ）在視音頻直播功能的實現中，通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集，並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式，既保證了圖像的質量，又大大縮減了視音頻所佔的帶寬，從而解決了多媒體數據量大、網路帶寬利用率低的問題；同時，通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾，取得了較好的效果。
  13. Video transcoding is the procedure to convert a compressed video into another one with different format ( i. e., different bit rate, different frame size and even different coding standard )

    視像轉碼程式是一個將壓縮視像格式轉變為另一種不同形式的程序（即不同編碼傳輸率、不同畫面大小、甚至不同編碼標準） 。
  14. With a combination of the design principles and characteristics of pdsn, a method for compressing data packet using mppc compressing algorithm is put forward. after studying ppp protocol and mppc compressing standards, an algorithm using packet matching sliding window buffer to code and decode is provided. considering not making a great change of current pdsn system, a mppc compressing module is designed and the function to compress data packet through vxworks platform is implemented

    作者首先闡述了pdsn系統的工作原理和系統結構，對移動用戶與pdsn之間的數據傳輸進行了分析，並結合pdsn系統的設計原理和特點採用mppc壓縮演算法對數據報文內容進行壓縮;然後闡述了ppp （ pointtopointprotocol :點對點協議）協議和mppc壓縮標準，採用報文匹配的滑動窗口機制進行編碼和解碼;接著考慮在不對現有pdsn系統進行大改動的基礎上，設計了mppc壓縮模塊，並基於vxworks系統平臺實現了對數據報文內容壓縮的功能;最後對壓縮功能進行了測試並給出測試數據。
  15. As a conclusion, the jpeg stationary picture has a good compressing effect on middle and high bit rate, but exists a serious diamond effect at low bit rate resulting from the block - based dct scheme. so jpeg images can not very well make the needs transmitting images by networks at high compressing rate

    實驗結果表明，在一些低復雜度的應用中， jpeg2000不可能代替jpeg ，但對于有較好的圖像質量、較低比特率或者是一些特殊特性的要求（漸進傳輸和感興趣區域編碼等）時， jpeg2000將是最好的選擇，從而驗證了採用jpeg2000圖像壓縮標準的優越性和可行性。
  16. The design and realization of the software & hardware communication system, which includes the pci interface circuit, sce - mi protocol and lvds transmission system. the simulation system is the core for whole system, we adopt standard bus interface mode and multiple state machine co - design. additionally, the control instructions for encode & decode state machine are discussed in detail

    軟硬體通信系統包括pci介面轉接電路， sce - mi協議的設計實現和lvds傳輸系統;驗證系統是整個系統設計的核心，採用了多狀態機協同設計和標準總線介面模型的設計思想，重點闡述了主控指令編碼/解碼狀態機的設計。
  17. Although in our country there are some companies that are taking for mpeg - 4 streaming system development, the area of streaming transport is still insufficient. emphasising on introducing the terminal architecture and system decoding model in the mpeg - 4 standard, this paper firstly tells the delivery multimedia integration framework in the standard in detail, then provides a transport layer framework model for specific protocol based on the other researches, lastly through analyzing the mp4 file format, discusses deeply how to realize the dmif using rtsp / rtp of ietf

    本文在重點介紹mpeg - 4標準中的終端體系結構以及系統解碼模型的基礎上，進一步詳細講解了mpeg - 4標準中的多媒體傳輸整體框架（ deliverymultimediaintegrationframework ， dmif ） ，並在前人研究的基礎上提出了一個面向特定傳輸協議的傳輸層框架模型，最後通過對mpeg - 4文件的分析，在對如何使用ietf的rtsp rtp等協議來具體實現dmif傳輸框架方面做了較為深入的探討。
  18. This paper introduces the origin of jpeg 2000, jpeg 2000 itself and its application background as well as the still - image compression and coding system. jpeg 2000 standard is thoroughly analyzed in this paper. the features of jpeg 2000 such as region of interest coding, random access and progressive transmission are discussed in this paper

    Jpeg2000是目前國際上最新的靜態圖像壓縮編碼標準，本文分析了jpeg2000的由來和應用背景，並由靜態圖像編碼壓縮系統的背景知識出發，對jpeg2000標準進行了深入的研究，對該標準的新特性，包括roi編碼、隨機訪問技術、漸進傳輸等進行了探討。
  19. As digital video application becomes more popular, there are increasing needs to dynamically convert the video between different formats. the transcoding of compressed video stream is to transcode a compressed video stream from one format or standard to another

    這些標準在語法格式、壓縮效率、碼率、解析度等方面不盡相同，對應的傳輸介質以及要求終端的處理能力也不同。
  20. Distortion and gauss white noise distortion. the simulation of ideal system aims at absolutely clean channel, and the nonideal systems respectively set their channels as ricean channel ( multipath distortion channel ) and awgn ( gauss white noise distortion channel ). at the end of simulation, it use examining means of communication system as ber ( bit error rate ) analysis and eye diagrams analysis, then gives a summarize and a comment to the system

    模擬中的系統結構、模塊和傳輸速率的選擇符合標準的dvb1規范en300744 ，理想系統的模擬是針對完全乾凈的通道，而非理想系統分別將通道設置為hcean通道哆徑干擾通道）和awgn （高斯白噪聲通道） ，模擬最後用通信系統的檢測手段進行誤碼率分析和眼圖分析，並對該系統作了總結和評價，加深對了dvb1系統的信號處理過程的理解，明確了目前面臨的問題。
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