decoding algorithm 中文意思是什麼
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A sub - optimum decoding algorithm for system concatenated with turbo - tcm and space time block codes
與時空分組碼的級聯系統的次優譯碼演算法 -
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。 -
Second, the international standards for video coding are briefly described including h. 26x and mpeg. particularly, the encoding and decoding algorithm and bitstream syntax of h. 263 are introduced in detail
第二：總結了針對不同應用而制定的視頻編碼國際標準包括h . 26x和mpeg系列，較詳細的介紹了h . 263編解碼演算法和碼流語法結構。 -
There are two decoding schemes for convolution code, such as sequence decoding algorithm and viterbi algorithm. because of simplicity 、 excellent performance, viterbi decoding algorithm is abroad applied
卷積碼的譯碼演算法有序列譯碼和viterbi譯碼兩大類， viterbi譯碼演算法由於其簡單、性能優異等特性得以廣泛應用。 -
The viterbi decoding algorithm, proposed in 1967 by viterbi, and it ’ s proved that viterbi decoding algorithm is the maximum likelihood decoder algorithm of convolution code and it has excellent decode performance
Viterbi譯碼演算法在1967年由viterbi提出，經證明它是卷積碼譯碼得最大似然譯碼演算法，具有優異的譯碼性能。 -
Based on the ( 3, 1, 5 ) convolution code in digital trunking system, this paper first studied the decoding depth of the convolution code and fund out the right decoding depth for digital trunking system, then proposed a modified viterbi decoding algorithm
本文以數字集群中所用的（ 3 ， 1 ， 5 ）卷積碼為基礎，首先對卷積碼的解碼深度進行了研究，得出適合數字集群系統的解碼深度，然後提出了一種卷積碼的viterbi譯碼的改進演算法。 -
This paper emphasizes on the most popular rs decoding algorithm : berlekamp ? massey algorithm and euclidean algorithm, and their improved form
本文重點研究了最流行的兩種rs解碼演算法? berlekamp ? massey演算法和euclidean演算法及其各種改進形式。 -
2. aiming at the convolutional code with long encoding restriction we adopt the fano sequential decoding algorithm to implement the decoder
2 、針對編碼約束度比較大的卷積碼，採用fano序列譯碼演算法來實現譯碼。 -
We mainly improve the calculation of the fano metric on the basis of the original decoding algorithm, which enhance the decoder ’ s speed
並在原有演算法的基礎上進行了一些改進，主要是針對其fano度量計算的改進，提高了譯碼器的工作速度。 -
The iess 309 standard indicates two decoding methods, we focus on the systemic convolutional code with long encoding restriction which is 36 bit and adopt the fano sequential decoding algorithm to implement the decoder
在協議中規定了兩種譯碼的方式，我們主要是針對編碼約束度為36的系統卷積碼，採用fano序列譯碼演算法來實現其譯碼，並進行了模擬。 -
There are many decoding schemes for convolutional code, such as sequence decoding algorithm, fano algorithm, viterbi algorithm. but in fact, what ' s used widely is viterbi decoding algorithm. the viterbi decoding algorithm, proposed in 1967 by viterbi, is a decoding process for convolutional codes in memory - less channel, which takes full advantage of convolutional codes. since viterbi algorithm is proposed, it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems, especially to digital wireless communications and deep space communications
卷積碼的譯碼演算法方案有很多，如序列譯碼演算法、 fano演算法、 viterbi演算法，但是真正大規模應用的還是viterbi演算法。 viterbi譯碼演算法是1967年viterbi提出的，它是一種對無記憶通道卷積碼進行譯碼的演算法。它充分發揮了卷積碼的特點，因而自viterbi演算法提出以來，無論在理論上還是在實踐上都得到了極其迅速的發展，並廣泛的應用於各種數據傳輸系統，特別是無線通信和衛星通信系統中。 -
As a member of the team researching and developing the new generation of atc ( air traffic control ) system ( named mrd2k - jh ) for chinese air force, the author devotes his energies in the work of fdp ( flight data process ). this thesis first introduces what is atc system and the present status of atc systems in china, then sets forth the design and structure of the new mrd2k atc system, based on the research and adjustment to the actual environment, essential technical points of fdp are presented in detail : the interface of traffic telegram and decoding algorithm : in this part, the application interface of eicon x. 25 card for mrd2k is introduced, and then the realization of a decoding algorithm based on context - free grammar is described in detail, which replaces the traditional method that decoding each telegram using a corresponding subprogram
本文基於我國新一代軍航空中交通管制（ airtrafficcontrol ）系統mrd2k - jh的研製開發過程，首先介紹了空中交通管制系統的概況和現狀，然後從建立空管自動化系統的角度闡述了mrd2k的詳細設計和系統結構，接著結合作者參與的系統重要部分飛行數據處理（ flightdataprocess ）的工作，在進行了大量深入研究和與實際環境相切合的基礎上，針對其中的諸多技術細節，提出了經實際驗證富有效用的解決方案。 -
An engineer case is introduced, which is " the identification of coke oven sequence number and distant transmission of pushing coke information ". advanced technology of wireless data transmission and computer control is adopted to improve pushing coke motor. the data transmitter - receiver is introduced in the engineer case, and the improved step - by - step decoding algorithm is put into practice
在此系統中對推焦車採用較為先進的無線遠傳技術和計算機控制技術進行改造，選用深圳「友迅達」的數傳電臺fc - 201 e開發了「推焦過程信息遠程傳輸系統」 ，並將本文提出的這種改進的step - by - step譯碼演算法應用其中，實現推焦車上的推焦過程監測儀和上位機以及其他現場執行機構的可靠、有效的通訊。 -
Simulation of a complex sphere decoding algorithm
一種復數球形譯碼演算法的模擬 -
Sphere decoding algorithm for joint decoding in cdma system
系統聯合檢測的球譯碼演算法 -
Hybrid bit - flip decoding algorithm for ldpc codes
低密度校驗碼的混合比特反轉譯碼演算法 -
Finally yet importantly, sctcm is researched which combines sccc with high bandwidth efficiency modular method tcm. besides, the corresponding schemes of encoding and modulating of sctcm, the corresponding demodulating and decoding algorithm, and the performance simulation are also presented
最後討論了sccc與高頻帶利用率調制方式結合的sctcm ，研究了適用於sctcm系統的編碼調制方案和解調譯碼演算法，並給出了性能模擬。 -
Convolutional coding is an error - control coding to process continuous data stream. the viterbi decoding algorithm is a type of maximum likelihood algorithm for memoryless channel. the convolutional coding employed with viterbi decoding algorithm has already become indispensable channel coding scheme in modern communication systems
卷積碼是一種糾錯編碼，它可以對連續的數據流進行處理; viterbi譯碼演算法是一種對無記憶通道卷積碼進行譯碼的最大似然譯碼演算法，使用viterbi譯碼演算法的卷積碼已成為現代通信系統不可缺少的通道編碼方案。 -
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。 -
In improving the performance of stbc, turbo code is concatenated to stbc. the structure and decoding algorithm of concatenation of turbo - tcm and stbc are studied
為進一步提高空時分組編碼性能，選用turbo碼對空時分組編碼進行擴展，分析了turbo - tcm和空時分組編碼的編碼形式和譯碼演算法。
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