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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發展水平難于實現而未能引起足夠重視,直到上世紀九十年代中期, mackay , luby等人重新發現ldpc碼與turbo碼一樣也是一種能夠逼近香農限的非常好碼,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
    由于無線數據和多媒體業務的需求,下一代移動通信系統最大的特征就是要實現高速率的數據傳輸,如何保證數據通信的可靠性也就顯得非常重要,以信道編譯碼為核心內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新性工作如下: 1 、提出利用光散射通信技術組建無線局域網,方便地實現了廉價而高速的局域網內微機的光互連; 2 、采用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題; 3 、針對空氣信道的特點,利用ppm編碼技術降低信道誤碼率、改善系統性能; 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術,從而保證了系統的實用性及改善了系統的性價比。
  • 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;發送光場模型;空間信道模型;計算機網絡通信技術:無線局域網通信技術;媒體訪問控制規程( mac ) ;載波檢測多址接入碰撞檢測規程( csma cd ) ;曼徹斯特編碼與ppm編碼技術等。
  • 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中的諸多問題,存在的矛盾、對立和爭議,及其應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鍵技術之一,也是未來通信的重要研究課題。 turbo碼具有近shannon限的性能,它的出現被看作是信道編碼理論發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,介紹了擴頻調制序列的數理基礎和偽隨機碼理論,同時聯系調制序列的性能指標對最常用的兩種擴頻調制序列的相關性能進行了仿真研究和分析討論,比較了m序列和gold序列互相關特性和地址數。
  • 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
    網絡編碼帶給網絡應用一場范式革命,自提出以來,網絡編碼已迅速發展成一個重要的研究范疇,并對信息論、編碼、通信網絡、網絡交換理論,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用,首先闡述了視頻編碼理論和編碼系統各個子模塊的基本原理,然后在預測性菱形搜索和自適應重疊塊運動補償基礎上運用變換編碼加運動補償的預測編碼方法實現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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