concatenated code 中文意思是什麼
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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。 -
Turbo code, also named parallel concatenated convolution code, was presented by c. berrou, a. glavieux and p. thifimajshiwa in icc ' 93
Turbo碼，又稱并行級聯卷積碼（ pccc ） ，是由c . berrou等在1993年icc會議上提出的。 -
Study on dynamic maximum super iterative number scheme in decoder of parallel concatenated gallager code
碼的動態最大外迭代次數譯碼方案的研究 -
Both quantum error correcting code and quantum error avoiding code are practical quantum channel coding schemes. we present in this dissertation a new quantum error correcting code scheme, named serially concatenated quantum convolutional code
克服量子通道噪聲的編碼就稱為量子通道編碼，實用的量子通道編碼包括量子糾錯碼和量子避錯碼。 -
We first design the construction modules of serially concatenated quantum convolutional code. and then design the corresponding code - coding gate - array. in quantum error avoiding code, we first unified the definitions of decoherence - free subspace, and then proved that all these definitions are equivalent
在量子避錯碼方面，統一了各種無消相干子空間的定義，證明了各種定義之間的等價性，同時提出一種利用群論方法構造無消相干子空間的簡單方案。 -
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。 -
The paper studies the performance of turbo code and the concatenated code which makes up of rs code and convolutional code
本文對rs與卷積級聯編碼和turbo碼的性能分別進行了研究。 -
Downconvertion and error control system based on concatenated code are the critical part of the leo spread spectrum communication system, and are widely used in the communication system
下變頻和基於級聯碼的差錯控制系統是該特種小衛星擴頻通信系統的關鍵部分，並且在通信系統中有著廣泛地應用。 -
Furthermore, this paper analyzes the error control system based on concatenated code, mainly including the formation, encoding, decoding of rs code and convolutional code, interleaving, and deinterleaving
本文同時也就基於級聯碼的差錯控制系統設計作了分析，主要包括rs碼和卷積碼的構成、編碼、譯碼、交織和去交織。 -
In chapter 3, encoder structure and decoder structure and decoding algorithms of hybrid concatenated convolutional code ( hccc ) is studied
第三章研究了混合級聯卷積編碼的編譯碼結構、性能限和設計準則。
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