糾錯編碼理論 的英文怎麼說

中文拼音 [jiūcuòbiānmǎlǐlún]
糾錯編碼理論 英文
coding theory
  • 糾 : Ⅰ動詞1. （纏繞） entangle 2. （集合） gather together 3. （糾正） correct; rectify Ⅱ名詞（姓氏） a surname
  • 錯 : Ⅰ形容詞1 （錯誤; 不正確） wrong; mistaken; erroneous 2 （用於否定: 壞; 差） bad; poor 3 （交叉; ...
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 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...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  • 理論 : theory
  1. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼基本原理，介紹了兩類標準的rs碼類糾刪碼，重點分析了具有線性時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼，分析了正則度分佈的閾值，對正則低密度校驗碼在刪除通道下的糾錯性能進行了模擬，從理論上證明了基於（ d ， 2d ） -正則度序列的低密度糾刪碼都不是漸近最優碼（ d 3 ） ，同時還分析了非正則低密度校驗碼的度序列設計，基於右邊正則序列提出了一種改進型右邊正則序列，證明了此序列為漸近擬最優的，對基於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及性能分析； 3
  2. Secondly, the thesis designs a kind of scheme of simulcast base station and center base station. and the requisite requirement and chip are introduced here, and the most important controller is atmega128, the avr microcontrollers of atmel corporation. the other roles are played by voice processing circuit, simulcast broadcasting station, data transmission broadcasting station, link transmitter - receiver and gps module etc. and some theory is introduced here, which includes a / d conversion and correct code

    然後，給出了一種同播基站和中心基站子系統的設計方案並簡要說明了所使用的各種設備和晶元，其中最主要的基站控制器由atmel公司的avr單片機atmega128來完成，其它的還包括語音處理電路、同播電臺、數傳電臺、鏈路機、 gps模塊等，並介紹了相關的理論知識，包括a / d轉換，糾錯編碼等。
  3. It also discusses the code and decode theory for rs error - correcting codes, then summarizing the design and debug experience for the rs ( 31, 15 ) coder and decoder through fpga

    文章中還討論了rs糾錯碼的編譯碼原理和演算法，總結了基於fpga實現一個rs （ 31 ， 15 ）編碼和譯碼器的設計經驗和調試經驗。
  4. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  5. The perturbation of composite logic matrix based on error correction coding theory

    基於糾錯編碼理論的復合邏輯矩陣攝動
  6. 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。
  7. We discuss the theory and technology of coding and cryptology in the study of information security and information reliability in the disseration. some valuable theoretic results are presented, most of these results are published on the important journey of china, parts of these results are used in some application system. in the design and analysis of error - correcting codes, we obtain the following results

    本文探討了信息安全和信息可靠性研究中的編碼密碼理論與技術，在糾錯碼的設計與分析、序列密碼的設計與分析以及分組密碼的設計與分析等方面，得到了一些有價值的理論結果，大多數結果已在國內核心刊物上發表，有些結果已用於實際的應用系統。
  8. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據空間數據系統顧問委員會（ ccsds ）為turbo碼應用於深空通信系統推薦的標準，包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式，以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎，設計了sova演算法的實現結構，通過模擬驗證了本文所採用的turbo碼的性能，從而證明turbo碼確實是一種很好的通道糾錯編碼方式，它適用於要求功耗低或信噪比低的深空通信系統中。
  9. In this dissertation, the basic principles of the coding and decoding of ldpc codes are studied systematically, and some code - design problems such as the design of degree distribution sequences, the design of girths and the design of efficient encode - able ldpc codes are analyzed in detail. based on all these efforts, some positive results are obtained and summarized as follow : 1

    本文在對低密度校驗碼現有理論的研究基礎上，系統地分析了低密度校驗碼在刪除通道下的糾錯性能和度序列設計、低密度校驗碼的圍長設計和快速編碼設計等編碼設計問題，獲得了一些研究成果，主要概括為： 1
  10. Then we use lifting scheme improve wavelet analysis methods and proposed a kind of digital watermark algorithm based on error - correcting coded which is a method of communication theory and is to correct watermark signal

    然後在這一水印演算法的基礎上，使用小波提升技術來改進小波分析方法，再使用通信理論中的糾錯編碼方法對水印信號進行糾錯控制，並提出了一種基於糾錯編碼的數字水印演算法。
  11. In this paper, bit - error rate performance analyses are presented for coded and un - coded frequency hopping m - ary frequency - shift keyed systems under the condition of additive white gaussian noise ( awgn ) and partial band noise jamming and multitone jamming. the use of error - correct codes provide a way to improve the performance of frequency hopping system, particularly the use of reed - solomon code in a fh system under the condition of partial band noise jamming can greatly improve the performance of system. so we provide the way of coding and decoding of rs code in c language. in the end, we offer the simulation of the performance of time diversity fh / 2fsk system over partial band jamming noise channels

    第一章為緒論，敘述跳頻通信的發展趨勢，以及基本概念，第二章及第三章介紹提高抗部分頻帶干擾的前向糾錯碼reed - solomon碼的原理和實現方法。第四章研究跳頻通信系統在各種干擾條件下的性能。最後在第五章以fh mfsk系統為例，探討在部分頻帶干擾下的系統性能，並進行計算機模擬，模擬結果表明採用分集技術和各種編碼技術對于系統的性能改善具有明顯的效果。
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