譯碼表 的英文怎麼說
中文拼音 [yìmǎbiǎo]
譯碼表
英文
code conversion table-
The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system
模擬結果表明，採用行列交替約束的約束維特比譯碼以後，性能得到較大的提升，尤其在突發錯誤通道中，傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。Table 1 summarizes the survey on standardization for character set, keyboard layout, key - pad layout ( e. g., for mobile phones ), collation sequence, terminology translation and locale definition
表1概括了關于字符集標準化，鍵盤布局，小鍵盤布局（例如手機使用的鍵盤） ，碼表序列，術語翻譯和區域設置定義的調查結果。On the realization of this new scheme, the influence of the fixed - point quantification upon the modified max - log - map algorithm is evaluated. simulations show that : if the input data is 5 bits at length, the unfavorable effect of quantification error is negligible
在系統實現方面，分析了輸入數據的定點量化對改進的max - log - map譯碼演算法的影響，結果表明輸入數據採用5比特量化時，量化誤差對譯碼結果的影響已很小。Meanwhile, a looking - up database method used for yielding pdf47 error correcting codes has been developed, which makes it easier and more accurate to compute the coefficients of the generating polynomial and results of syndrome polynomials
同時提出一種適用於pdf417糾錯編碼和譯碼的查表方法，可以簡單確定任意碼字在gf （ 929 ）內所對應的本原元的冪次。Traditional compiling pattern of college english textbooks is based on structuralism, resulting in decoding ability enhanced while encoding ability declined
傳統的大學英語精讀課本編排模式基於結構主義教學理念，注重譯碼能力的培養，影響了大學生的編碼能力即口語表達能力發展。So the complexity of lfrr is low. a hardware implementation for lfrr is proposed. parallel comparator and encoder lead to a fast construction of schedule table
本文還提出了一種用硬體電路構造調度表的方法，採用并行比較加譯碼，可以很快構造出循環調度表。In order that bar gene efficiently transcript and translate in eukaryote, the sequence next to atg was modified by pcr
為了目的基因在真核生物中有效的翻譯和表達，通過pcr方法對bar基因起始密碼子atg旁側序列進行改造。Based on tanner graph, the representation and construction of ldpc codes are addressed, and the two decoding algorithm for ldpc codes, i. e, bit - flipping algorithm and sum - product algorithm, are discussed. from two aspects - minimum distance and the failure of independence assumption, the impacts of cycles to the performance of ldpc codes are analyzed. 2
基於tanner圖模型，詳細介紹了ldpc碼的表示和構造；介紹了ldpc碼的硬判決譯碼（比特翻轉演算法）和軟判決迭代譯碼（和積演算法） ；從最小距離和獨立性假設失效兩個方面分析了環的存在對ldpc碼譯碼性能的影響； 2This article uses the parity check matrix to produce a simplified decoding table under the premise of not using the structure standard array
摘要在不用構造標準陣列的前提下，利用一致校驗矩陣直接生成簡化的譯碼表。Dna sequence can be seen as a character string including a, g, c and t which are like binary code " 0 " and " 1 " in computer science. hence, strands of dna are just sequences over the alphabet
Dna鏈可看作由四個不同符號、 、和組成的串，它在數學上就像計算機中的編碼「 0 」和「 1 」一樣，可表示成四個字母的集合來譯碼信息。Based on the modified register - exchange ( re ) method smu, a low power viterbi decoder can be designed. our experimental result shows the proposed design reduces the dynamic power dissipation of a viterbi decoder by about 33 percent compared with the one without considering the low - power design
最後把各個功能模塊組合成在一起，設計出了低功耗的viterbi譯碼器，模擬結果表明比起沒有採用低功耗技術的譯碼器，在譯碼器糾錯性能和譯碼速度不變的情況下，動態功耗降低了33 % 。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。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。At the same time, the simulation analysis on the decoding performance of turbo codes was given, and the results show that under the certain conditions, turbo codes approaches the theoretical shannon limit, which proves its excellent performance of decoding
同時對其譯碼性能進行了模擬分析，結果表明，在特定的參數條件下，其誤碼率接近香農極限，驗證了其優異的糾錯譯碼性能。Meanwhile, we also study the convergence behavior of iterative detection in different methods, which are the proposed average source entropy and the covariance matrix perturbation characterized by the variations of its dominant eigenvalue as well as the conventional approach based on the mutual information
為了分析迭代譯碼的收斂特性，本文從不同角度出發，在研究了傳統的互信息方法的基礎上，本文首次提出並使用了平均信源熵和用協方差矩陣最大特徵值表徵其抖動這兩種方法，使迭代過程的收斂分析變得簡單方便。And some other construction methods based on finite geometry, graph theory and group theory are also depicted. an algebraic construction method for ldpc codes with 8 - girth is proposed based on complete residue system. simulation results show that these codes can achieve better performance than randomly constructed regular ldpc codes over awgn channel
最後，在分析、研究現有構造方法的基礎上，基於代數中的完全剩餘系，作者提出了一種代數構造方法，使得ldpc碼對應因子圖上的圍長為8 ，並採用計算機對其性能進行了模擬，結果表明該碼能夠取得比較理想的譯碼性能。A reliable and effective communication can be built between pushing coke motor and computer. a good anti - interference is presented. the result of practical control shows that the improved step - by - step decoding algorithm can be easily realized, and can reduce computational complexity and simplify the program
實際應用效果表明，這種改進的step - by - step譯碼演算法，簡單且易於實現，能夠較為有效的解決標準的step - by - step譯碼演算法計算量大、編程復雜的問題。Simulation results show that the algorithm can improve the performance of turbo codes decoding
模擬結果表明，此譯碼演算法可以改善turbo碼的譯碼性能。( 3 ) combined with probability statistic knowledge, introduce the basic theory of message passing algorithm ; analyse the classical decoding algorithm of ldpc codes, including sum product algorithm which based on probability and llr, and min sum algorithm. ( 4 ) research message passing process on the tree ; according spa, turn the flooding schedule to serial schedule based on c - nodes and v - nodes, namely serial algorithm and, analyse de and complexity ; simulations show that the both serial algorithms could improve decoding performance, improve convergence property, reduce complexity
（ 4 ）研究了和積譯碼演算法在樹上的消息傳遞過程;在ldpc碼經典譯碼演算法基礎上，將洪水消息傳遞機制轉換成基於校驗節點的串列消息傳遞機制和基於變量節點的消息傳遞機制，分別對應串列譯碼演算法和串列譯碼演算法，並對密度進化和譯碼復雜度等方面進行分析;模擬結果表明，兩種串列譯碼演算法都使譯碼性能得到明顯提高，改善了消息收斂特性，降低了譯碼復雜度。And this decoding table is the most superior theoretically
得到的譯碼表在理論上最優。分享友人