均勻編碼 的英文怎麼說

中文拼音 [jūnyúnbiānmǎ]
均勻編碼 英文
uniform encoding
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 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...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. In this paper, a genetic algorithm was presented to solve the problem of the searching of the optimal coalition structure. we designd one - dimension chromosome coding structure and the corresponding improved uniformity crossover operator and the heuristic mutation operator

    我們給出了一種求解最佳聯盟結構的gas演算法，設計出了一種簡單的一維自然數染色體編碼結構和改進的均勻交叉運算元以及啟發式變異運算元。
  2. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  3. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究，討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法，分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究，提出了一種基於遺傳演算法的k - means聚類改進（混合聚類演算法） ，在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ，用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心，最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法，其顯著特點是隱含并行性和對全局信息的有效利用的能力，所以新的改進演算法具有較強的穩健性，可避免陷入局部最優，大大提高聚類效果。
  4. In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible

    在rsdm中，以實值模式代替二值模式，避免了實值到二值的編碼過程：以回歸學習規則代替外積法，使該模型在具有識別能力的同時具有了對函數的逼近能力；地址矩陣的預置根據樣本的分佈採取不同方法，若樣本均勻分佈，則隨機預置，否則利用遺傳演算法的原理和消減措施來預置地址矩陣，使之反映樣本的分佈，改善網路的性能。
  5. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應量化器，及其自適應演算法;研究波形預測函數，以及函數零點、極點的自適應演算法;基於每n （ n 1 ）個樣本所對應符號的概率統計，對預測殘差量化值再進行huffman編碼，進一步降低比特率。
  6. This paper can put into four parts ? this first part is the description and theoretical analyses of source coding, which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding, which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models, binary symmetric channel and cdma channel o in this part, two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts, one is to find the most appropriate quantization steps and centroid points of separate channel - source coding, another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding, the characters of joint channel - source coding are given

    本論文可以分成四部分：第一部分給出了信源編碼的基本概念和理論分析，重點放在最優均勻量化編碼的研究方面；第二部分給出了通道?信源聯合編碼的原理敘述，重點放在復合式通道?信源編碼的分析研究上；第三部分將通道-信源聯合編碼原理應用在兩種噪聲通道上：離散無記憶通道和cdma通道，並根據兩種通道的不同特點詳細描述了兩種相應的編碼設計方案；第四部分給出了復合式通道-信源編碼的模擬結果以及對結果的相應分析。
  7. Secondly, we bring statistic coding, prediction coding, transform coding and analysis & synthesis coding into radar area. according to the properties of radar data, we take 4 methods, which are huffman coding ; prediction error model and lzw coding ; fft, uniform quantization in each frequency bank and huffman coding ; wavelet transform, uniform quantization in each frequency bank and lzw coding, to compress the genuine ground clutter radar data and give the corresponding results

    根據雷達回波的特性，分別採用了huffman編碼法，預測誤差模型和lzw編碼法， fft 、分頻帶均勻量化和huffman編碼的壓縮演算法，小波變換、子帶均勻量化和lzw編碼的壓縮演算法等四種演算法，並給出了用這些演算法對真實的地雜波雷達回波數據進行壓縮的實驗結果。
  8. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈，由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈；相位編碼為二元的偽隨機序列，採取均勻的二相編碼，消減同頻脈沖帶來的過高的相關函數的旁瓣；而失配相位為與頻率編碼相一一對應于各子脈沖中。
  9. The usual way to solve this problem is to transform the original signal into " 0 ", " 1 " equally - distributing circuitry code type which is fit for the optical channel, and then transmit

    解決該問題常用的方法是通過通道編碼將原始信號變換為「 0 」和「 1 」均勻分佈的適合光線通道傳輸的線路碼型，再送入光路進行傳輸。
  10. It brought forward genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms " characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法。
  11. This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms ' characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    摘要針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法，基於該演算法形成了全局尋優的波阻抗混合反演方法。
  12. So wavelet analysis is suitable for processing radar data which is a kind of nonstationary signal. at the end of this paper, after comparing the four algorithm, author suggests that user chooses the forth algorithm, when distortion is admitted in a certain range

    本文最後，權衡了文中各演算法的利弊，提出了在允許一定失真的條件下，使用小波變換、子帶均勻量化和lzw編碼的壓縮演算法的建議。
  13. Assuming that the encoding rules one chosen according to a uniform probability distribution, the probabilities of a successful impersonation by the opponent, a successful substitution by the opponent, a successful impersonation by the transmitter, a successful impersonation by the receiver and a successful substitution by the receiver

    假設編碼規則是按照均勻概率分佈選擇的，筆者給出了敵手模仿攻擊、敵手替換攻擊、發方模仿攻擊、收方模仿攻擊和收方替換攻擊的成功概率。
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