迭代碼 的英文怎麼說

中文拼音 [diědàimǎ]
迭代碼 英文
iterated code
  • 迭 : Ⅰ動詞（輪流; 替換） alternate; change Ⅱ副詞1 （屢次） repeatedly; again and again 2 （及） in tim...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 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...
  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. 2. three criteria for evaluating performance of interleaver, ie., the codeword weight decision, correlation analysis and iterative decoding suitability ( ids ), is proposed

    2 、提出了交織器的碼重分析、相關性分析和交織器迭代譯碼的適應性（ ids ）三種性能判別和分析方法。
  3. 5. according to the euclidean algorithm rs encoder and decoder are implemented in fpga

    根據euclid迭代譯碼演算法，用fpga設計實現了rs碼編譯碼器。
  4. In general, turbo equalization algorithms combine equalization and soft output channel decoding in an iterative process

    通常的turbo均衡演算法採用均衡與軟輸出譯碼的迭代運算。
  5. 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 。
  6. In this paper, we study the stopping sets, stopping distance and stopping redundancy for binary linear codes. stopping redundancy is a new concept proposed by schwartz and vardy recently for evaluating the performance of a linear code under iterative decoding over a binary erasure channel. since the exact value of stopping redundancy is difficult to obtain in general, good lower and upper bounds are important

    近年來，迭代譯碼的性能分析是低密度校驗ldpc碼研究領域的熱點問題之一， di等人在2001年指出：迭代譯碼在二元刪除通道bec中的性能可以由ldpc碼的停止集stopping set完全刻畫。
  7. 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
  8. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  9. They have found that the code is connected with the passage of days and the phases of the moon.

    他們發現，這種代碼與晝夜更迭以及月亮盈虧有著聯系。
  10. It also gave out some reference for the future soc. the fec system can increase the error - correcting ability if we increase the iterative times, which express the excellence of top - down designing and blocking

    在本文所提出的糾錯系統的基礎上，通過增加解碼迭代次數，可以根據要求提高糾錯能力，這使糾錯系統的升級成為可能，再次體現了top - down和模塊化設計方法的優越之處。
  11. Iterative decoding of space frequency block code ofdm systems

    系統迭代解碼演算法
  12. Generates code for the specified iteration statement

    為指定的迭代語句生成代碼。
  13. A hash - based message authentication code hmac uses a hash function where data is hashed by iterating a basic compression function on blocks of data

    基於哈希的消息驗證代碼（ hmac ）使用一個哈希函數，通過在數據塊上迭代基本壓縮函數來計算數據的哈希值。
  14. Returns a pseudo - random key from a password, salt and iteration count

    用密碼、 salt值和迭代次數返回偽隨機密鑰。
  15. Evm measurement algorithm for td - scdma ue conformance test based on iterative process

    基於迭代的時分同步碼分多址系統終端誤差矢量值一致性測試演算法
  16. This paper is mainly considered : 1 ) how joint coded modulation transmitter is designed based on the iterative decoder. 2 ) the combination of ldpc code with bit - interleaved coded modulaton. 3 ) the optimization of two dimensional signal constellations in joint coded modulation with iterative decoder

    本文研究工作的重點在於: 1 ）迭代譯碼對聯合編碼調制方案設計的影響; 2 ）新的糾錯編碼和比特交織編碼調制的有機結合; 3 ）高階星座的最優化問題。
  17. Firstly, by the experiment and analysis, the fractal images are realized between the tree and the triangle through contract the difference of their ifs codes gradually. secondly, it is not the same fractal diagram by the same codes of ifs to produce fractal diagram

    為此，論文首先通過對ifs碼的實驗分析，將樹葉迭代碼與三角形迭代碼之間逐漸縮小差距，實現了由樹葉過渡到三角形的一些中間演變圖形。
  18. The problem is researched and the algorithm which calculates the intersection points of two graphs created by the same coefficient of the ifs is proposed. the curve described changing of the intersection points number is drawn. the conc lusion is that the curve fluctuates in the tiny range and is smooth when it is seen as a whole

    其次，針對同一ifs迭代碼兩次迭代繪制得到的分形圖並非完全相同這一問題展開研究，提出了ifs分形覆蓋相交交點變化曲線的概念，給出了覆蓋相交交點變化曲線的繪制演算法，在此基礎上進一步研究了分形覆蓋相交交點變化曲線的變化率情況，得到了分形覆蓋相交交點變化曲線宏觀上比較光滑，但實際上小范圍內異常波動的實驗結果。
  19. If you prefer to have a single source code project for the whole team project and not a separate source code projects by product, version, or business unit, you can organize your areas and iterations hierarchy to match the organization of the whole software development team

    如果喜歡對整個團隊項目使用單個源代碼項目，而不是按產品、版本或業務單元分別使用源代碼項目，您可以將區域和迭代層次結構組織為與整個軟體開發團隊的組織相匹配。
  20. Aiming at resolving the asynchronous reception problem in the downlink of distributed mimo systems, there exist some detection algorithms such as distributed space time codes and iterative trellis search detection

    針對分佈mimo中上述問題的解決方法，目前存在分佈空時分組碼和基於格的迭代搜索檢測演算法。
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