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coding theory中文是什么意思

  • 編碼理淪
  • 糾錯編碼理論

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  • 例句與用法
  • The study of ldpc codes was resurrected in the mid - 1990 ’ s with the work of mackay , luby , and others . ldpc codes are one of the hottest topics in coding theory today . indeed , the performance is almost as close to the shannon limit as that of turbo codes
    Ldpc碼由gallager于1960年首次提出,只是限于當時的技術(shù)發(fā)展水平難于實現(xiàn)而未能引起足夠重視,直到上世紀九十年代中期, mackay , luby等人重新發(fā)現(xiàn)ldpc碼與turbo碼一樣也是一種能夠逼近香農(nóng)限的非常好碼,從而使ldpc碼成為新的研究熱點。
  • As the need for wireless data and multimedia services , the future mobile communication system must achieve the data transmission with high data rate . so it is very important to ensure the reliability of data communication , researchers on the channel coding theory are given a good opportunity again
    由于無線數(shù)據(jù)和多媒體業(yè)務(wù)的需求,下一代移動通信系統(tǒng)最大的特征就是要實現(xiàn)高速率的數(shù)據(jù)傳輸,如何保證數(shù)據(jù)通信的可靠性也就顯得非常重要,以信道編譯碼為核心內(nèi)容的前向差錯控制一直是通信理論中的熱點課題。
  • 2 . applying manchester coding theory to meet the end of collision detection and codes judgment effectively . 3 . using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe . 4 . taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan
    論文研究中主要的創(chuàng)新性工作如下: 1 、提出利用光散射通信技術(shù)組建無線局域網(wǎng),方便地實現(xiàn)了廉價而高速的局域網(wǎng)內(nèi)微機的光互連; 2 、采用曼徹斯特編碼技術(shù)解決了光無線通信中代碼判決和碰撞檢測的技術(shù)難題; 3 、針對空氣信道的特點,利用ppm編碼技術(shù)降低信道誤碼率、改善系統(tǒng)性能; 4 、在光無線局域網(wǎng)中利用現(xiàn)有的成熟有線局域網(wǎng)協(xié)議和技術(shù),從而保證了系統(tǒng)的實用性及改善了系統(tǒng)的性價比。
  • The paper contains all kinds of knowledge related to the system , including maxwell electromagnetic theory , pattern of optical radiation in space , channel model of atmosphere communication , computer communication protocols , wireless lan communication protocols , medium access control protocol , carrier sense multiple access / collision detection protocol , manchester coding theory , pulse position modulation coding theory and so on
    主要包括: maxwell電磁理論;發(fā)送光場模型;空間信道模型;計算機網(wǎng)絡(luò)通信技術(shù):無線局域網(wǎng)通信技術(shù);媒體訪問控制規(guī)程( mac ) ;載波檢測多址接入碰撞檢測規(guī)程( csma cd ) ;曼徹斯特編碼與ppm編碼技術(shù)等。
  • This thesis intends to analyzes and expound the appropriating public funds criminal charges in lawmaking , penal code theories and many problems occurring in judicial actual situation , the existent antinomy and dispute with judgment , and the value of application , in order to gel the further cognition of the innate character of the appropriating public funds criminal
    本文意圖從挪用公款罪的歷史沿革入手,對該罪名在立法、刑法理論和司法實務(wù)中的諸多問題,存在的矛盾、對立和爭議,及其應(yīng)用價值有重點地進行評析、論證和判斷,以求得我們對挪用公款罪的本質(zhì)認識和研究能更進一步。
  • As is well know that turbo codes and multiuser detection ( mud ) are among the most important techniques in the third generation ( 3g ) mobile communication , turbo codes are recognized as having the performance closed to the shannon limit and be regarded as the milestone on channel coding theory
    Turbo碼和多用戶檢測是第三代移動通信的關(guān)鍵技術(shù)之一,也是未來通信的重要研究課題。 turbo碼具有近shannon限的性能,它的出現(xiàn)被看作是信道編碼理論發(fā)展史上的一個里程碑。
  • This chapter is a base of next chapter . mathematics theory and pseudo stochastic code theory for spread spectrum modulation sequence are introduced , and simulink experiment and analysis about correlation performance of the most common use spectrum modulation sequence are processed , these experiment contact to performance parameters of the spread spectrum sequence . the correlation performance and address quantity are compared between m sequence and gold sequence
    本章是第五章的理論基礎(chǔ),介紹了擴頻調(diào)制序列的數(shù)理基礎(chǔ)和偽隨機碼理論,同時聯(lián)系調(diào)制序列的性能指標對最常用的兩種擴頻調(diào)制序列的相關(guān)性能進行了仿真研究和分析討論,比較了m序列和gold序列互相關(guān)特性和地址數(shù)。
  • The background and research situation of ldpc codes are presented and the current research results are introduced in the first part of the thesis . graph presentation and sum - product algorithm are interpreted in detail . linear coding theory and efficient constructing methods on ldpc codes are systemically interpreted later
    系統(tǒng)地闡述了ldpc碼的圖模型表示方法及基于圖模型的譯碼原理;詳細地介紹了ldpc碼的構(gòu)造方法及其線性編碼理論;介紹了用于ldpc碼閾值分析和度序列設(shè)計的密度進化理論; 2
  • Network coding has brought about a paradigm shift in network applications . ever since its appearance , network coding has quickly developed into a research field that has fundamental influence on information theory , coding theory , networking , switching theory , wireless communications , computer science , cryptography , operations research , and matrix theory
    網(wǎng)絡(luò)編碼帶給網(wǎng)絡(luò)應(yīng)用一場范式革命,自提出以來,網(wǎng)絡(luò)編碼已迅速發(fā)展成一個重要的研究范疇,并對信息論、編碼、通信網(wǎng)絡(luò)、網(wǎng)絡(luò)交換理論,無線通信、計算機科學、密碼學、運籌學、矩陣理論等領(lǐng)域帶來影響深遠。
  • By first reviewing the basic video coding theory and then analyzing kinds of sub - module in video coding system . adaptive overlapped block motion compensation ( aobmc ) is combined with pds technology for temporal prediction . the system composed of hybrid transform coding and motion compensation prediction coding is constructed
    第五章討論了本文運動估計和運動補償方法在視頻編碼中的應(yīng)用,首先闡述了視頻編碼理論和編碼系統(tǒng)各個子模塊的基本原理,然后在預測性菱形搜索和自適應(yīng)重疊塊運動補償基礎(chǔ)上運用變換編碼加運動補償?shù)念A測編碼方法實現(xiàn)一個混合視頻編碼的方案。
  • 更多例句:  1  2  3  4  5
  • 百科解釋
Coding theory is the study of the properties of codes and their fitness for a specific application. Codes are used for data compression, cryptography, error-correction and more recently also for network coding.
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