inverse operation 中文意思是什麼
inverse operation
解釋
反向工作-
The operation that is the inverse of differentiation is called integration.
與微分相反的運算叫做積分。 -
This paper studies the inverse operation of the matrix power operation, namely the root operation
摘要研究了矩陣冪運算的逆運算，即矩陣的開方運算。 -
It has good computational cost because of avoiding any inverse operation and optimal ordering. it also utilizes double - directional detection and diversity combine technology to migrate the error propagation, and then improve the ber performance
它不需要進行任何形式的矩陣求逆運算和最優信號排序操作，因此具有良好的演算法復雜度，同時它利用雙向檢測策略與分集合併技術來抑制誤差傳遞，提高了演算法的檢測性能。 -
Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily
摘要利用數字控制技術對傳統晶閘管焊接電源進行改進，根據雙反星型晶閘管整流電路的特點，採用單片機進行精確設定，設計了高可靠性觸發迴路，結合電壓反饋進行程序運算控制，實現了主電路輸出電壓的精確調整和可靠運行。 -
Abstract : the scour process at the rear apron of shimen dam is studied through review of operation practice and inverse operation experiments. the cause of scour is explained, the scour pot was not stable after the occurence of extreme flood with the return period of 300 years, and the flood may deepen the scour pot even more severe
文摘:通過長期實踐和反演試驗，研究了石門拱壩投運26年來壩后沖刷坑動態發展的全過程，解釋了其形成的主要原因，並指出重現期300年的特大洪水發生后，石門沖坑並未穩定，小於它的洪水仍舊造成了更深更危險的沖刷。 -
The scour process at the rear apron of shimen dam is studied through review of operation practice and inverse operation experiments. the cause of scour is explained, the scour pot was not stable after the occurence of extreme flood with the return period of 300 years, and the flood may deepen the scour pot even more severe
通過長期實踐和反演試驗，研究了石門拱壩投運26年來壩后沖刷坑動態發展的全過程，解釋了其形成的主要原因，並指出重現期300年的特大洪水發生后，石門沖坑並未穩定，小於它的洪水仍舊造成了更深更危險的沖刷。 -
Ecc is considered to be an alternative to rsa. this article provides a brief description of rsa public key cryptography and the associated knowledge, in particular introduces non - supersingular elliptic curves e which is established on the finite field fp with p > 3, in - depth studies present existed scalar multiplication, further proposes an improved signed sliding window algorithm on ecc under the mixed coordinates, the improved algorithm compatible the advantage of the naf, has the least number of zero window and avoid a large number of inverse operation, successfully reduce scalar multiplication calculation
本文闡述了橢圓曲線及其相關知識，特別說明了建立在有限域fp （其中p是大於3的素數）上的非奇異橢圓曲線e ，深入研究目前已有的各種標量乘法，由此提出了橢圓曲線密碼演算法在混合坐標下改進的帶符號滑動窗口演算法，該演算法兼容了naf方法的優點，擁有最少數目的非零窗口數，又避免了域元素上的大量求逆運算，較成功地減少了標量乘法計算量。 -
In the last part of this paper, a new control theory based on fuzzy neural network of substation voltage and reactive power synthetic control is presented. besides the guarantee of reactive power equilibrium and voltage quality, this theory can minimize the oltc tap _ changers " operation times. in order to avoid the frequent action of oltc tap _ changers caused by voltage fluctuation, inverse - time is introduced to this system that enhance the quality of voltage
最後將基於神經網路的模糊控制引入變電站電壓無功綜合控制策略，在保證無功基本平衡和電壓合格的前提下，使oltc分接頭的動作次數降至最低，並引入反時限概念，解決了因電壓波動引起的頻繁動作，最大限度的提高了電壓合格率。 -
A scanning system under open loop operation based on the mathematical model is studied and designed, including the identification of hysteresis model parameters and obtaining of the inverse model
本文完成了基於遲滯數學模型的開環控制系統的設計研究，包括遲滯數學模型參數的識別，逆模型的求取。 -
Parsing is the inverse operation of formatting
分析是格式化的反向操作。 -
Talking about the inverse operation
談逆向運算 -
A value is said to roundtrip if an operation converts an original floating - point number to another form, an inverse operation transforms the converted form back to a floating - point number, and the final floating - point number is equal to the original floating - point number
值的往返是指，某個運算將原始浮點數轉換為另一種格式，而反向運算又將轉換后的格式轉換回浮點數，且最終浮點數與原始浮點數相等。 -
Based on the above knowledge, the core components s - boxes of the rijndael algorithm and the camellia algorithm, which are the only nonlinear components, are analyzed and compared in detail. eight algebraic properties of s - boxes such as balanceness, strict avalanche criterion, differential uniformance, algebraic order, and so on are calculated and proved. the reason that the s - boxes which are constructed by the inverse operation on finite field has the specialty of 4 - difference is analyzed
在此之後，本論文分針對rijndael和camellia演算法的核心部件，也是唯一的非線性部件s盒進行了詳細的分析和比較，計算並證明了s盒的平衡性、嚴格雪崩準則、差分均勻度、代數次數等八種代數性質，特別給出了通過有限域上的取逆運算構造的s盒其差分特性為4的原因，最後計算了兩個演算法s盒的兩種代數結構，表明rijndael和camellia演算法的s盒均具有良好的代數性質和復雜的代數結構，為今後兩種演算法在各個領域的應用提供了理論保障。
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