運算碼 的英文怎麼說
中文拼音 [yùnsuànmǎ]
運算碼
英文
op code-
Cipher block chaining ; a process whereby a plain text block is xored with the previous cipher text block before being encrypted
密碼分組鏈接( cipher block chaining ) ;在加密明文塊前將它與以前的密文塊進行xor運算的過程。Digital signature operates the born and a series of sign and codes to constitute the electronics password to carry on the signature through a certain password, replace to the writing signature or an official seals, to confirm the body, the data source and integrities of signs, keeping data from burglarize to take, distort and break, thus to attain the purpose of protecting the data
數字簽名是通過某種密碼運算生成一系列符號及代碼組成電子密碼進行簽名,來代替書寫簽名或印章,確認簽名者的身份、數據來源和完整性,防止數據被竊取、篡改和破壞,從而達到保護數據的目的。Chapter 3 introduces the correcting ability of the rs code. then it particularly states the definition and algorithm of galois field, and analyses the realization of the limited field multiplier based on the dual basis
第三章分析討論了rs碼的特點,給出了伽羅華有限域的定義與運算規則,推導和分析了基於對偶基的有限域乘法器實現方法。Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )
提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明,在編碼性能損失很小的條件下,可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。Complete coset weight enumerator of linear octonary code
線性八進制碼的完全陪集重量運算元Ternary optical coder, decoder and ternary logical calculus belong to key components of ternary optical computer, and they are the base of implementing other components of the optical computer
三值光編碼、解碼器和三值邏輯運算器是三值光計算機關鍵部件,是實現三值光計算機其它部件的基礎。Relevant theory is derived and explicit conditions for directly determining the isoclinic parameter in the range of [ 0 - 3i / 2 ] are given. a color camera records five isoclinic images coupled with isochromatics from a plane polariscope with five different settings in white light, respectively
其特點是在白光入射下平面偏振儀光學系統中,用彩色數碼相機採集包括背景光強在內的不同偏振場設置下的五幅彩色圖像,通過運算就可以得到[ 0 ? / 2 ]范圍內的等傾角。Operator can only be used in unsafe code blocks
運算符只能在不安全代碼塊中使用。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。Nowadays, all functions of a calculator including calculating units, display driver, keyboard interface and so on, are integrated on one single chip
現代計算器使用一塊集成電路晶元來完成各種運算、顯示驅動和鍵盤介面等完整功能,依賴的是高度集成的動態cmos邏輯和微碼設計技術。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。The current researches include how to cut down the computation complexity, how to reduce the average coding bit rate, how to improve the quality of reconstructed image, and which algorithm to be suitable to vlsi implementation
在該技術中,減少運算復雜度、降低平均編碼比特率、提高恢復圖像的質量和便於硬體實現等方面是當前研究的主要方向。Based on statistic property of all sub - bands coefficients, this paper gives a lossless image coding scheme including dpgm, huffman coding and run length coding. this scheme reduces the calculating complexity and works highly efficiently
針對圖像整數小波分解后的各子帶系數的統計特性,提出結合dpcm , huffman及遊程編碼的無損圖像編碼方法,該方法運算簡潔,速度快,易於硬體實現。Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。At first, based on the simple genetic algorithm, an improved ga which adopts a combination of emigration policy and adaptive operator is presented. results of numerical optimization show that the improved ga is effective on preventing premature problem
本文在基本遺傳演算法的基礎上首先研究了浮點編碼遺傳演算法在數值優化中的應用,通過引進「移民策略」和自適應運算元相結合的方法,改進了基本遺傳演算法在後期進化緩慢的問題,極大地減少了早熟性收斂的現象。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。In this paper, the common used encoding algorithms and basic finite - field opera - tions algorithms are introduced, and the decoding algorithms such as inverse - free ber - lekamp - massey ( ibm ) algorithm, reformulated inverse - free berlekamp - massey ( ribm ) algorithm and modified euclidean algorithm are analyzed in great detail. based on the ribm algorithm, a modified structure and a pipelined decoder scheme are presented. a tradeoff has been made between the hardware complexities and decoding latency, thus this scheme gains significant improvement in hardware complexity and maximum fre - quency
本文簡要介紹了有限域基本運算的演算法和常用的rs編碼演算法,詳細分析了改進后的euclid演算法和改進后的bm演算法,針對改進后的bm演算法提出了一種流水線結構的譯碼器實現方案並改進了該演算法的實現結構,在譯碼器復雜度和譯碼延時上作了折衷,降低了譯碼器的復雜度並提高了譯碼器的最高工作頻率。Round these two respects, how to structure security elliptic curve cryptography and the implementations of ecc is first discussed in this paper. then we have analysed especially the scalar multiplication on the elliptic curves, and present a new algorithm to quickly implement the fixed point scalar multiplication according to the idea of interleaving exponentiation algorithm and power division. this algorithm is much faster than fixed - base windowing method ; and a little faster than fixed - base comb method
圍繞這兩個方面的問題,本文首先討論了如何構造安全的橢圓曲線密碼體制和橢圓曲線密碼體制的應用;然後重點分析了橢圓曲線上數乘運算的快速實現,並結合interleavingexponentiation演算法和冪分割的思想,提出一種計算固定點數乘的快速演算法,該演算法的計算速度明顯快于fixed - basewindowing演算法,稍快于fixed - basecomb演算法。Operation code, augmented
運算碼欄Code, augmented operation
擴大運算碼分享友人