解碼矩陣 的英文怎麼說
中文拼音 [jiěmǎjǔzhèn]
解碼矩陣
英文
decoder matrix- 解 : 解動詞(解送) send under guard
- 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...
- 矩 : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
- 陣 : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
- 解碼 : decoding; decipher; decode
- 矩陣 : [數學] matrix; array
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The system is formed with explosion - proof kinescope, explosion - proof braket, explosion - proof decode, matrix controller, keyboard controller, 232 to 485 switch, color kinescope, digital harddisk kinescope system, display, manostat, explosion - proof junction boxes and special cable
該系統由防爆攝像儀、防爆雲臺、防爆解碼器、矩陣控制器、鍵盤控制器、 232轉485轉換器、彩色攝像機、數字硬盤錄像系統、監視器、穩壓電源、防爆接線箱及專用電纜等組成。The content including : ( 1 ) combined with the powerful matrix operation function and the abundant function computation of matlab, a load flow program is developed. due to the deeply research of admittance matrix, jacobian matrix and correction matrix, this program has a great advantage at both speed and code
其主要內容如下: ( 1 )結合matlab軟體強大的矩陣運算功能和豐富的函數計算功能,對潮流演算法中導納矩陣、雅可比矩陣以及修正方程求解的實現方式進行了深入研究,開發出一種速度和代碼量都具有明顯優勢的潮流程序。Automorphism group of a linear code is obtained with the help of the general linear group constructed by all invertible matrices, and it is illustrated by matrices generalized inverses
給出了通過求解可逆矩陣構成的一般線性群,獲得線性碼的自同構群的方法,並利用矩陣廣義逆理論,對線性碼的自同構群進行進一步刻劃。The genetic algorithm with load balance can solve routing problem and can be applied in mobile ip and next hop route. chapter 4 collaborates on routing problem via a designated node. due to the excellent performance in nondeterministic polynomial problem, such as tsp, we choose the genetic algorithm to implement triangle routing in mobile ip protocol
本文第三章提出了基於矩陣編碼的遺傳演算法的最低費用的下一跳路由,解決浙江大學博士學位論文了下一跳路由中不考慮網路負載和時延可能產生擁塞的問題,優化了網路的性能,使得網路中的帶寬得到合理分配。Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered
本文首先綜合運用概率論、代數學、數論等基礎學科的理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈相對均勻的函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入的研究,給出了廣半bent函數定義,並探討了廣半bent函數的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的定義及等價判別條件;討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數的關系,探討了它們的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的典型構造方法,並將對k階擬bent函數的密碼性質的研究轉化到對一類特殊的矩陣的研究上;利用布爾函數的特徵矩陣原則上給出了k階擬bent函數的一種完全構造方法,還給出了從已有的p值k階擬廣義bent函數出發,遞歸構造變元個數更多的p值k階擬廣義bent函數的方法;初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中的應用;給出了一類布爾函數walsh譜的分解式,並利用這類布爾函數的walsh譜分解式給出了一類近似穩定的布爾函數的構造,特殊情形下為k階擬bent函數;利用代數數論的知識考察了p值k階擬廣義bent函數的譜特徵,並給出了k階擬廣義bent函數與所有仿射函數的符合率特徵等等。Different from other rank reduction methods, such as pca ( principal component analysis ) and vq ( vector quantization ), nmf ( nonnegative matrix factorization ) can get nonnegative, sparse basis vectors which make possible of the concept of a parts - based representation
與pca (主分量分析)和vq (矢量量化)等降維演算法不同, nmf (非負矩陣分解)演算法能夠分解出非負的,稀疏的特徵矩陣和編碼矩陣,能夠提取原始數據向量的局部特徵,使基於局部特徵進行分類的聚類演算法更容易實現。In this thesis, the basic problem of network security, some correlative protocols and cryptology are discussed at first, math theory in point is also studied. especially, a sort of new matrix method of solving quadratic equation over gf ( 2m ) is given, which is the key of selecting random point over elliptic curves. no better solution has been found in related literature in the world. compared with ieee p1363 ' s method, it is easy to implement the software and obtain high efficiency, etc. then the basic operation of elliptic curve is debated and the steps of finding secure curve and basis point over gf ( 2m ) are presented. moreover, the encryption and decryption schemes of the ecc are designed and the security problem of ecc is also considered. in the end, ecc by koblitz curves are implemented
文章首先討論了網路安全基本問題、網路安全協議和密碼學;對相關數學理論進行了研究,特別是給出了一種新的求解gf ( 2 ~ m )上二次方程的矩陣法,而它是選取橢圓曲線上的隨機點的關鍵步驟,和ieeep1363的方法相比,它有易於軟體實現、效率高等優點,在國內外相關文獻上還未見到更好的求解方法;接著討論了橢圓曲線的基本運算,進而給出了在gf ( 2 ~ m )上選取安全曲線及基點的步驟;文章還設計了橢圓曲線加密系統的加解密方案,討論了橢圓曲線系統的安全性問題。最後文章就koblitz曲線加密系統進行了軟體實現。The method includes split originality image region, filter, separately coding the lowest frequency sub - band coefficient, adaptively setting threshold of different image region, setting up flag matrix, and filtering after decoding to eliminate domino effect of split
這種編碼方法主要包括:對原始圖像進行分塊、濾波;對最低頻子帶系數單獨編碼;對各塊圖像自適應地進行閾值設置;設立標志矩陣;解碼后進行濾波消除分塊效應。First of all, the algorithm base on the boundary problem of helmholtz equation and finite - difference technique, calculate the field in “ cold ” cavity and disperse the helmholtz equation, as a result of the formula : ax = x. secondly, according to the eigenvalue of matrix theory and applied iterative methods, eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum. finally, we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis
具體的說: ( 1 )首先以電磁理論中的亥姆霍茲方程的邊值問題理論和計算電磁學中的有限差分法為基礎,計算冷腔中的場分佈並離散亥姆霍茲方程,得到標準的本徵值問題: ax = x ; ( 2 )然後根據矩陣理論中的eigenvalue問題和數值計算中的迭代方法,採用改進后的chebyshev多項式,在power迭代法的基礎上對ax = x進行多項式迭代,實現對頻譜中孤立本徵模的萃取; ( 3 )最後將用fortran語言編制的eigenmode模塊加入到chipic軟體中,解決了eigenmode模塊與chipic主代碼的兼容問題,從而實現了chipic軟體的模式分析功能。The second advance is the widespread use of the internet for communication, file transfer, and world wide web connectivity. this thesis describes how to resolve the routing problem in mobile ip using genetic algorithms including optimized routing and routing via a designated node such as triangle routing and reverse tunneling routing and how to evaluate the performance of mobile ip based on wireless lan
提出了基於矩陣編碼的遺傳演算法來解決帶負載和時延的下一跳路由,解決了下一跳路由中不考慮網路負載和時延可能產生擁塞的問題,優化了網路的性能,使得網路中的帶寬得到合理分配; 2In term of the orthogonal property of alamouti scheme and the character of the ofdm system equivalent model expression of receiver signal for stbc - ofdm system was obtained by flexible transform method so that the inverse of matrix was avoided using direct - decision mode and the complexity of computation and receiver was decreased. the simulation results show the validity and efficiency of the proposed receiver. ( 6 ) an adaptive equalization algorithm used in space - time block coded ofdm ( stbc - ofdm ) system with alamou
該演算法充分利用了alamouti編碼的正交特性和多發射天線ofdm系統特點,通過靈活的變換對接收信號進行等價的表示;通過對11矩陣求逆的研究,將塊最小二乘遞推演算法( brl )中的zkxzk的矩陣求逆分解為k個2x2矩陣的求逆,從而降低了自適應演算法的運算量和接收機的復雜度。A decoding algorithm based on transform and fast hadamard transform changes the matrix multiplication to the addition, subtraction and position exchanging among the matrix elements, so reduces the demand of the instrument for computer
基於變換和快速阿達瑪變換的解碼演算法,將矩陣乘法簡化為矩陣元素間的加、減運算和位置交換,降低了儀器對微機系統的要求。The ldpc code ’ s parity check matrix generated by this scheme has high girth and can be used to coding directly, the coding complexity is lower. as to the decoding algorithm, i modify the message passing algorithm based on the girth that i can get in the structure of parity check matrix to improve the decoding performance. what is more, the new structure of the parity check matrix is easy to implement with the hardware
接著著重圍繞ldpc碼的校驗矩陣構造方法和譯碼演算法展開討論,在比特填充演算法的基礎上提出了一種ldpc碼聯合編譯碼方案,通過該方案構造的校驗矩陣不僅具有良好的girth分佈,而且能直接用於編碼,編碼的計算復雜度低;在譯碼方面,利用構造奇偶矩陣過程中girth分佈信息,優化解碼迭代過程,能有效提高系統性能;並且該方案構造的校驗矩陣更易於實際的編譯碼硬體實現。Three decoder architectures, parallel, serial and partially - parallel approaches, are analyzed in this thesis. a kind of novel partially - parallel architecture for decoding ldpc code is proposed. the trade - off between the performance of the decoder, hardware complexity and data throughout can be achieved with this partially - parallel architecture for the random parity check matrix
論文分析了三種不同的譯碼器結構:并行結構、串列結構以及部分并行結構,並提出了一種新穎的部分并行結構的ldpc譯碼器,較好地解決了當校驗矩陣為隨機結構時,譯碼性能、硬體資源和數據吞吐量平衡的問題。In chapter 3, we propose the methods for finding the generator matrix of a quasi - cyclic ldpc in “ systematic form ” from its parity - check matrix and its corresponding encoding schemes
在第三章,我們繼續介紹了準循環結構的ldpc碼生成矩陣的求解及其對應的編碼方案。Finally, this thesis provides its mathematics model and proposes a solution method based on genetic algorithm. in order to satisfy complex constraints of mathematics model and gives matrix code of chromosome and the corresponding operators are given, and also achieves the algorithm simulation by using the matlab programming
最後,建立零件分組的數學模型,給出了一種基於遺傳演算法的求解方法,使用矩陣編碼構造染色體和相應的遺傳運算元來滿足分組模型復雜約束的要求。Then a set of remote multimedia surveillance system project based on adv6oilc is provided, and the video matrix switcher and video image processing subsystem are presented expressly. finally, the software design is given
然後提出了基於adv601lc編解碼晶元的遠程多媒體監控系統的方案,並對視頻矩陣切換電路和視頻圖像處理子系統進行詳細的闡述,並給出相關的軟體設計。分享友人