概率譯碼 的英文怎麼說

中文拼音 [gàilǜyìmǎ]
概率譯碼 英文
probabilistic decoding
  • 概 : Ⅰ名詞1 （大略） general outline 2 （神氣） manner of carrying and conducting oneself; deportment ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 譯 : 動詞（翻譯） translate; interpret
  • 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...
  • 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
  1. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  2. 4 di c, proietti d, telatar i e et al. finite - length analysis of low - density parity - check codes on the binary erasure channel. ieee trans

    如果停止距離較小， ldpc碼在迭代譯碼下的錯誤概率曲線經常會出現所謂的"地板效應error floor 。
  3. In the last half century, researchers have always been searching good code with rate closing to the shannon theory limitation, error ratio being low and it being to be decoded easily

    半個世紀以來，人們一直在尋找碼率接近香農理論極限、誤差概率小和譯碼復雜性低的好碼（又稱漸近好碼或shannon碼） 。
  4. Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function

    本文在簡單的論述了pc並口協議（ epp ）與dsp之間的通信方法、 cpld模塊邏輯控制應用和arinc429的通訊規范的基礎上，給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計，其中，對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖，包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後，給出了測試結果，對研製工作做了總結，對本設計的優缺點各做了評述。
  5. Since their rediscovery, design, construction, decoding, analysis and applications of ldpc coded have become focal points of research. among them, the decoding algorithm and its implementation design are the focus of this thesis

    Ldpc碼是一種具有稀疏校驗矩陣的線性分組碼，研究結果表明，採用迭代的概率譯碼演算法， ldpc碼可以達到接近香農極限的性能。
  6. This class of codes decoded with soft - in soft - out ( siso ) iterative decoding performs amazingly well. since their rediscovery, design, construction, decoding, analysis and applications of ldpc coded have become focal points of research

    Ldpc碼是一種具有稀疏校驗矩陣的線性分組碼，研究結果表明，採用迭代的概率譯碼演算法， ldpc碼可以達到接近香農極限的性能。
  7. After the analysis of viterbi decoding, we conclude that the adverse effect of impulsive noise on recognition is that the impulsive noise introduces unreliable

    通過對viterbi譯碼過程的分析，得出沖激噪聲對語音識別的影響在於其引入了不可靠的概率差距。
  8. In this paper, we aim at the research to the decoding algorithm of turbo product codes, according to the principles of the log - likelihood ratio and the maximum a posteriori criterion, bunt the log - likelihood ratio approximating expression, form the correct strategy of iterative soft decoding, and present the optimal algorithm through software

    幾乎所有tpc的應用研究都集中於採用矩陣交織，軟進/軟出（ siso ） 、重復譯碼的方式上。本文主要是針對tpc譯碼演算法進行研究，依據對數似然概率（ llr ）和最大后驗準則的原理，推導出對數似然概率估算的近似公式，形成tpc重復軟譯碼糾錯演算法，並通過軟體實現。
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