逆演算法 的英文怎麼說

中文拼音 [nìyǎnsuànfǎ]
逆演算法 英文
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  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. A svpwm control algorism for three - level inverter and its simulation

    三電平逆變器空間電壓矢量控制演算法模擬研究
  2. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次，通過對整個系統諧振頻率變化的分析和研究，設計了以鎖相環cd4046為核心的鎖相環控制電路，同時，在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算法的基礎上，進行了系統模擬，得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能，又擁有模糊控制較好的動態性能，系統魯棒性能好，同時也提高了逆變器的效率。
  3. After introducing some backgrounds and the state of art of motion editing and motion synthesis, we introduce some basic operations of motion editing and show implementation results in eidolon. chapter 3 describes inverse kinematics, and two real time algorithms : ccd and jacobian transpose are discussed in detail. in chapter 4, we introduce the principle of multiple level b - spline, and motion path editing is achieved with such spline

    在介紹了運動編輯和合成的一些背景知識和研究現狀后，本文第二章概述了運動編輯的一些基本操作並給出了在eidolon中的實現結果；第三章介紹了逆向運動學演算法，著重講述了兩個具有實時性的演算法：循環坐標下降法和雅克比轉置法；第四章詳細介紹了多層次b樣條原理和用其進行運動路徑編輯的方法。
  4. The first kind of algorithm is based on s - box controlled by key, the algorithm distinguishes most of other block ciphers, its visible quality is that its s - box is not regular and fixative, but controlled by block cipher ' s key. the second kind of algorithm is based on smn ( d ) array code, it makes full use of the visible quality of smn ( d ) array code possessing big code distance ( d ). the thesis discusses the two algorithms " reversibility, security and their qualities, the

    第一種是基於「 s -盒由密鑰控制」的變結構分組密碼，該演算法區別于其它大部分分組密碼最大的特點是它的s -盒不是固定不變的而是由密鑰控制產生；第二種是基於smn （ d ）陣列編碼的變結構分組密碼，該演算法充分利用了smn （ d ）陣列編碼具有碼距大的特點；文中對這兩個演算法的可逆性、安全性及其性能等進行了探討和分析，分析結果認為這兩個變結構演算法正確、有效且安全。
  5. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此，本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式預選方法，並構造了相應的稀疏近似逆預條件子，結合gcr演算法和g州[ r衛s演算法，首次將逐層門限稀疏近似逆預條件子應用於新一代多尺度預報模式動力內核的實際計算，數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。
  6. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  7. Considering the difference - resisting capacity of power function in classic s - box, we substitute the inverse function by better power function. we prove that these change do not influence the difference resisting capacity from the theory

    其次考慮到經典s盒中冪函數的抗差分攻擊能力，我們用冪函數取代rijndael演算法中s盒的求逆運算。
  8. In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan

    本文應用遺傳演算法優化逆向調強放療計劃中射束的權重，用二維等劑量線、三維劑量分佈和劑量體積直方圖來評估計劃的優劣。
  9. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。
  10. For the exact feedback linearization of general nonlinear singular systems, by taking the algebraic variables as virtual inputs, a recursion inverse algorithm is introduced in this paper

    摘要對一般廣義非線性系統的反饋線性化問題，通過將代數變量視為虛擬輸入，給出了構造性遞歸求逆演算法，實現了系統的精確反饋線性化。
  11. The approach maintains the simplicity of the original algorithm, and carry out perfect model following. the pseudo - inverse method is concerned with distributing the deflection commands of multiple control surfaces of the aircraft to generate required control responses when the number of independent control surfaces is greater than the number of required independent control responses

    偽逆演算法通過改變反饋增益來實現故障系統的控制律重構，當一個操縱面發生故障后，可改變控制律重新分配控制指令，利用其它操縱面來實現它的功能，近代先進飛機多採用此方法來提高飛機的容錯能力。
  12. A quasi - inverse algorithm with dynamic regularization for simulation of forging processes

    用於鍛壓模擬的動力項調整準逆演算法
  13. The computing complexity and computing time of this algorithm is lower than that of existed algorithms

    該演算法比已有的塊三對角矩陣求逆演算法的計算復雜度和計算時間低。
  14. Dsa public key cryptography using irreversible algorithms for the financial services industry - part 1 : the digital signature algorithm

    金融服務業用的使用不可逆演算法的公用密鑰的密碼.第1部分:數字簽名演算法
  15. The one - step method is used to calculate the original curve. this method can get original blank curve directly from part shape and compute very fast

    而用於優化的初始輪廓線，本文採用的是有限元逆演算法，即一步演算法求得，該方法由最終零件形狀直接計算出初始板料，計算速度快。
  16. When adopting fea to model, dfc could not only apply into incremental approach with a fully coupled elastic and plastic damage model, but to one step inverse approach

    利用有限元方法模擬時，韌性斷裂準則既可以應用到完全耦合的彈塑性損傷模型的增量方法中，也可以應用到一步有限元逆演算法中。
  17. In order to solve the problem in traditional method of blank development, deformation theory and the assumption of ideal forming are adopted, and one step approach to design sheet metal forming is derived

    摘要針對傳統的毛坯展開方法所存在的總量，本文採用形變理論並利用理想形變的假設，導出用於板料成形設計的逆演算法。
  18. Two - stage algorithms of parameter estimation for the autoregressive moving average ( arma ) models are presented, which are called two - stage recursive least squares algorithm ( 2 - rls ) and recursive least squares - pseudoinverse algorithm ( rls - pi )

    本文提出了自回歸滑動平均（ arma ）模型的兩段參數估計演算法：兩段遞推最小二乘演算法（ 2 - rls ）和遞推最小二乘-偽逆演算法（ rls - pi ） 。
  19. In mmse based detection algorithms it ’ s inevitable to do the matrix inversion operation, and we have found by analysis that such matrices are all positive definition hermite matrices. so, in chapter three, by renumbers the looped variables we induce a new matrix inversion algorithm and based on the symmetry of the data we further

    由於基於mmse的檢測演算法中會不可避免地遇到矩陣求逆運算，經過分析發現此類矩陣均為正定hermite矩陣，根據此類矩陣的特點引入了變量循環重新編號法求逆演算法，並且根據運算過程中數據的對稱性提出了進一步的簡化方案。
  20. Firstly the stochastic gradient algorithm based on minimum mutual information ( mmi ) is researched, and this algorithm is simple and stable, but its convergence speed is slow. secondly the natural gradient algorithm based on riemann space is researched. finally easi algorithm, iterative inversion algorithm and some

    首先研究了基於最小化互信息的隨機梯度演算法，該演算法簡單穩定但收斂較慢，然後研究了基於黎曼空間的自然梯度演算法，最後介紹了easi演算法、迭代求逆演算法以及其餘一些演算法。
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