退化函數 的英文怎麼說

中文拼音 [tuìhuàhánshǔ]
退化函數 英文
degenerate function
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. When solving the tna problem based on fleet balance application, a flight pairing network model is build, by which the primary problem transferred to a directed path decomposition problem to minimize target function, and a simulated annealing algorithm is constructed

    在解決使飛機均衡使用的飛機排班問題時，本文利用航班節的網路模型將原問題轉化為一個使目標函數最小的航班節編組問題，在此基礎上構造了一個模擬退火演算法。
  2. Restoring turbulence - degraded images based on estimation of turbulence point spread function values

    基於估計點擴展函數值的湍流退化圖像復原
  3. Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good

    我們知道當節點矢量的兩端節點均為k重節點且無內節點時， b樣條基函數退化為bemstein多項式，因此該生成演算法還可推廣到b能ier曲線中，具有廣泛的應用價值、同樣地，在cad和cagd中，有理b樣條曲線，特別是非均勻有理b樣條曲線（ nurbs ）已經成為曲線曲面設計中最廣為流行的技術，然而對這些曲線目前也尚無很好的曲線生成演算法，因此有理b樣條曲線的生成演算法無疑有著更重要的意義
  4. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  5. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜，考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系，並利用一組對偶基給出了有限域上邏輯函數的反演公式；給出了有限域上隨機變量聯合分佈的分解式，並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究；給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系，探討了它們之間密碼性質的聯系，如平衡性，相關免疫性，擴散性，線性結構以及非線性度等；討論了有限域上邏輯函數各類線性結構之間的關系，並給出了任意點都是線性結構的邏輯函數的全部構造，由此引出了有限域上的「泛仿射函數」的概念；考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系；給出了有限域邏輯函數非線性度的定義，利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系，考察了有限域上邏輯函數的非線性度與線性結構的關系；利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系，揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系，以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  6. However, the simulated annealing algorithm will expand too much time to estimate the values of objective function when applied to aerodynamics optimizations. the way to remedy this problem in this dissertation is by improving the efficiency of optimizer and the cfd - solver. our cfd - solver is base on the modification to the proper orthogonal decomposition ( pod ) method that can produce a finite series of basis functions or modes through the solution of snapshots

    但對于氣動外形優化設計問題來說，由於評估需要解決的問題的目標函數值需要多次調用流場解算器，會導致用模擬退火演算法進行優化設計的計算工作量過大，因此需要我們對流場解算器和優化方法兩個方面進行研究以尋找此問題的解決辦法。
  7. In order to solve the premature problem in strength optimization design of laminate, to combine the part - degenerate operator and adaptive operator is a good idea. poisson ' s ratio is a parameter which measures the volume - changed of objects

    同時針對強度優化的具體問題構造合適的適應度函數，並且通過採用「局部退化運算元」和「自適應運算元」相結合的方法較好地解決了基本遺傳演算法中常見的早熟性收斂問題。
  8. The long - time decay behavior of solutions of one dimensional 4th - order degenerate parabolic equation is studied by using the entropy function and energy estimate method

    摘要利用熵函數並結合能量估計，研究了一維四階退化拋物方程解隨時間衰減的行為。
  9. Thirdly, integrating bell - type scheduling investigation of domestic and overseas documents, the paper defines optimized scheduling production of bell - type annealing process as the problem of parallel machine scheduling with resource - constrained and multi - step working procedure, whose optimized function of objective function is given also. furthermore, the author constructs bell - type optimized scheduling model by means of the way combing discrete event simulation with algorithm of intelligent optimization

    本文在綜合國內外對于罩式爐調度研究的基礎上，將罩式爐退火過程優化排產定義為資源受限多步工序并行機器調度問題，並定義了優化目標評價函數；將面向對象的離散事件建模模擬方法和智能優化方法相結合建立了退火爐優化排產模型。
  10. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions

    （ 2 ）利用jacobi橢圓函數表示法和數學計算軟體（ maple ， matlab等） ，可以得到一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解，沖擊波解，三角函數解。
  11. Abstract : the optimal design software of permanent magnet synchronous motors is programmed in this paper. the formation of the software is described in detail which concerns the production of new points, the determination of the optimal variables, restricted functions and objective functions. at last, an optimal design of prototype motor is given through this software

    文摘:用模擬退火演算法編制了永磁同步電動機的優化設計軟體，詳述了軟體編制過程，包括新點的生成，優化變量、約束函數及目標函數的確定，最後用該軟體進行了樣機的實際設計。
  12. The paper exploits then method of combining the simulated annealing algorithm with genetic algorithm for the question and designs the coding way which based on ordinal characters, builds up fitness function on the basis of penalty function, adopts the basal technology, such as crossover, mutation etc. to deal with the model and put forward adjustable algorithms for trains occupying time sets

    將模擬退火演算法和演化演算法混合起來運用於該問題，設計有序的字元串編碼方法，構造了基於罰函數的適應度函數，採用交叉和變異等技術，求解該模型。並提出了車列佔用時區調整的相關演算法。
  13. This thesis also presents an explicit formula that converts a triangular sbgb patch of degree n to a degenerate rectangular sbgb patch of degree nxn by reparametrization and the sbgb dual bases

    利用sbgb型基函數的對偶泛函，推導出sbgb三角曲面片到退化矩形曲面片的頂點轉化公式。
  14. Contraposing multi - stage venture investment projects with asymmetric information and uncertain return, considering venture capitalists ' investment strategies, and using incomplete information static game theory and dynamic programming method, this paper develops a compound model on exit decision to maximize utility of venture capitalists investing in debt and equity

    摘要針對多階段風險投資過程中信息不對稱性以及收益不確定性的特徵，在考慮投資策略組合的基礎上，採用不完全信息靜態博弈理論和動態規劃方法，構造了股權債權混合投資時，目標函數為風險投資公司退出效用最大化的退出決策復合模型。
  15. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  16. Our main work is as following : ( 1 ) research many methods to estimate blur parameter, carefully analyze the blur function of straight line motion with constant velocity, put forward a method to estimate blur parameters by zero value points according to the blurred images " spectrum

    主要工作如下： （ 1 ）研究了多種估計退化參數的方法，並仔細分析了勻速直線運動模糊圖像的退化函數，根據其頻譜的特點提出了用零值點方法來估計退化參數。
  17. Theoretical research based on the quasi - static test such as theoretical analysis in nonlinear finite element method, programs to shape function of isoparametric element of hexahedron with eight nodes and to stiff matrix of elements, application of resilience model in degeneration equation of elastic module of concrete goes along

    在試驗基礎上進行了理論研究，用非線性有限元方法分析框架，編寫了六面體八節點等參元形函數、單元剛度矩陣等部分程序，將恢復力模型應用到混凝土彈性模量退化方程中。
  18. Based upon established analytical model, the finite element models of laminated shell pasted with piezoelectric units, are formulated, which employ a novel eight - node degenerated shell element - a - piezo element, then the model are converted into form of state space and transfer function

    在解析模型的基礎上，運用有限元方法，構造了一種新型的八節點退化殼元? ? piezo單元，推導建立了表面粘貼有壓電材料的層合殼結構的有限元動力學模型，並將其轉換成狀態空間和傳遞函數形式。
  19. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab or mathematica ), many exact periodic solutions of nonlinear wave equations can be obtained and under some conditions, these solutions degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions respectively

    （ 2 ）利用jacobi橢圓函數展開法和數學計算軟體（ maple ， matlab ， mathematica等） ，可以求得一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解、沖擊波解、三角函數解。
  20. According to the relation between tangent space and annihilation space of parameterization singularity manifolds, we present the new concepts of first order and second order singularity. degenerate and non - degenerate parameterization singularities are analyzed and the sufficient and necessary conditions for degenerate singularity are derived

    研究了退化和非退化奇異位形的特點，給出了判斷退化參數化奇異位形的充分和必要條件，其中對必要條件，提出了一種方便實用的morse判斷函數。
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