codeword 中文意思是什麼

codeword 解釋
符號語
  1. The classical algorithm of vq codebook design ? lbg algorithm and traditional codeword search algorithms are reviewed

    回顧了經典的矢量量化碼書設計演算法? ? lbg演算法和傳統的碼字搜索演算法。
  2. Estimating maximum codeword lengths of discrete data compressing

    離散數據壓縮的最大字長估計
  3. A new type of two - dimension codeword structure of ocdma system and it ' s realization method

    型三角剖分上的雙周期三次樣條函數空間
  4. The experiment shows the improved algorithm can search codeword faster and effective

    模擬實驗表明此改進演算法能快速有效地搜索碼字。
  5. One special address codeword which is a “ 0 / 1 ” sequence of certain code - length is assigned to each user in advance

    在ocdma系統中，每一個用戶預先被分配一個特定的地址碼，即一個字長的0 / 1序列。
  6. 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。
  7. This he did at least 13 times. “ de lesseps ”, it turned out, was the codeword for the egyptian army to start the seizure, and nationalisation, of the canal

    他至少13次提及萊塞普這個名字，后來的事實說明，這個名字就是埃及軍隊開始奪取蘇伊士運河控制權的代號，同時也是運河國有化的代號。
  8. The traditional codeword search algorithm ? full algorithm ( fs ) has a serious disadvantage, whose computation quantity will rise sharply with the increase of the codebook size and the codeword dimension

    傳統的碼字搜索演算法? ?窮盡搜索演算法會隨著碼書規模的增大和碼字維數增加，計算量急劇增加。
  9. Vector quantization can be used to take advantage of the correlation between neighboring pixels by quantizing pixels in groups ( or vectors ) rather than individually and symbolically representing the vector with a codeword

    本文就是從矢量量化技術的研究入手，開發它在圖像壓縮上的應用。並藉助于并行計算技術來加快處理過程。
  10. Second, we optimize the codebook and choice a part of the codeword which is used most efficiently. the result is not degraded too much while the complexity is reduced. at the end of the paper the development prospect of cs - acelp and speech coding are described

    對lsp參數量化中的第一級碼書的128個碼字的使用頻率進行了統計試驗，選用了128個碼字中使用頻率高的112個碼字作為新碼書，語音質量基本不變但降低了碼書搜索的復雜度。
  11. Firstly, based on conventional vq, a fast algorithm named equal - sum block - extending nearest neighbor search ( ebnns ) is presented, which not only can achieve the reconstructed image of full search algorithm but also can greatly reduce both the codeword search ratio and chip area. in order to improve coding efficiency, a new algorithm called correlation - inheritance coding is proposed, which is embedded in conventional vq system to improve compression ratio by re - encoding the indexes

    首先，在普通矢量量化基礎上提出了等和值塊擴展最近鄰快速碼字搜索演算法（ ebnns ） ，該演算法在圖像畫質達到窮盡搜索演算法的前提下，大大降低了碼字搜索率和硬體實現面積；為了提高編碼效率，在相關性編碼方面，提出了相關繼承編碼演算法，對普通矢量量化后的編碼索引進行無損重編碼。
  12. Because the watermark embedding and the noisy channel were directly related to the codeword index order in the model, at the same time deciding the codeword index was a np - hard problem typically, so the ant colony algorithm was introduced to optimize it in order to make the bit error rate lower and the embedded watermark more invisible

    在該模型中，由於水印嵌入和通道噪聲直接與碼字索引相關，所以該模型誤差由索引值決定，又由於碼字索引的確定是np難度問題，故引入蟻群演算法對其優化是方便的，優化目標是降低誤碼率和使不可見性達到最佳。
  13. The paper analyzes binary - split gradient & threshold initial codebook generation - algorithms, codebook generation algorithms based on kohonen self - organizing feature map neural network, a fast codeword searching algorithm using l2 - norm pyramid data structure, side - match vector quantization algorithms, and a fuzzy classified vector quantization algorithm, systematicly explores their application to image compression, computer simulation results show that they are practical and efficient

    文中重點分析了二元分裂梯度與閾值初始碼書生成演算法、基於kohonen自組織特徵映射神經網路的碼書生成演算法、基於l2范數金字塔數據結構的快速碼字搜索演算法、邊緣匹配矢量量化演算法、模糊分類矢量量化演算法，系統地研究了它們在圖像壓縮編碼中的應用，並進行了計算機模擬，實驗結果表明這些演算法是實際有效的。
  14. The paper presents a modified fuzzy kohonen neural network clustering algorithm fit for image compression, which is applied to codebook generation, theoretic analysis and computer simulation results shows that it can solve some problems which exist in ordinary kohonen self - organizing feature map neural network algorithms and improve encoding quality. the paper also presents a fast correlation - side match algorithm, which is applied to codeword searching for image vector quantization and has a good result

    本文提出一種適用於圖像壓縮的碼書生成演算法? ?改進的模糊kohonen神經網路分類演算法，通過理論分析和計算機模擬，表明該演算法能夠解決普通的kohonen自組織特徵映射神經網路演算法存在的一些問題，且使編碼質量有所改善。文中還提出了快速相關?邊緣匹配演算法，將其應用於圖像矢量量化中的碼字搜索過程，取得了良好的效果。
  15. A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise

    在發送端特定的光編碼器產生某一特定的地址碼，將數據信息與此地址碼調制在光載波之上發送出去，不同用戶的數據都在光纖媒質中傳輸，接收端用特定的光解碼器解出屬于自己的信息，而攜帶其他用戶信息的光信號，就像噪聲一樣被過濾掉。
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