待定函數 的英文怎麼說

中文拼音 [dāidìnghánshǔ]
待定函數 英文
undetermined function
  • 待 : 待動詞[口語] （停留） stay
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 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
  • 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. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。
  2. Method of undetermined function for finding special solution to poisson equation

    方程特解的待定函數解法
  3. Jdl is an interpretative language system. it has data types, expression, control flow statements and user - defined function just like the imperative programming language, but also has data types and statements such as job control statements, task control statements, wait statement, parallel statement and monitor statements particular to jms

    Jdl是一種解釋型語言系統，既有一般命令式語言所具有的數據類型、表達式、控制流語句和用戶自定義函數等要素，也另有作業管理系統所特有的數據類型、作業控制語句、任務控制語句、等待語句、并行語句和監聽語句等。
  4. Unlike the normal two stages estimate method ( the usual nonparametric weighted method combined with the least square estimate ), considering the characteristics of this model, this paper uses the least square estimate combining with the usual nonparametric weighted method and defines the estimators and n2 for the unknown parameter, the unkown fuction g ( ) and the unknown variance of errors 2

    與通常採用的兩階段估計方法即非參數權函數法結合最小二乘法不同，考慮到此模型本身的特性，本文採用最小二乘法結合一般非參數權函數估計方法，定義了未知待估參數和未知函數g （ ? ）及誤差方差~ 2的估計量（ ? ） _ n ， （ ? ） _ n （ ? ）和（
  5. The design of fuzzy controller includes many uncertain factors, in which membership is an important one

    模糊控制器的設計涉及很多待定因素，其中隸屬函數的確定是一個重要的環節。
  6. The form solution to the mixed problem of one dimension inhomogeneous diffusion equation was given through the method of undetermined function

    摘要利用待定函數法給出了一維非齊次擴散方程混合問題的形式解。
  7. This is needed so that the sending process is not blocked by waiting for a server connection, network delays, etc. in a production system, this function would have to be more complex and handle issues of network failure, a server s going down, etc. with some sort of queuing mechanism

    這是必需的，只有這樣發送過程才不會因為等待服務器連接、網路延遲等原因被阻塞。在生產系統中，這個函數一定會變得更復雜，並需要使用某種排隊機制來處理網路故障、服務器宕機等問題。
  8. So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper

    本文在分析標準球面透鏡的設計及其光學質量的影響因素基礎上，開展了以下四個方面的研究： （ 1 ）根據系列標準球面透鏡的具體結構特點，選擇透鏡的質量評價指標，研究標準球面透鏡的公差分佈，確定敏感結構參數； （ 2 ）研究光學質量評價指標與失調量之間的函數關系； （ 3 ）建立數學物理模型，根據球面波的實測結果，求解待調系統的失調方位和量值，研究原理上實現計算機輔助裝調的可能性，在zemax和matlab平臺上編寫輔助裝調軟體； （ 4 ）建立實驗裝置，實際研究標準球面透鏡的計算機輔助裝調方法，文中給出相應的理論分析及實驗數據和曲線。
  9. Determination of parameters for the clipped gauss probability density function

    概率密度函數中待定參數的確定
  10. The functional relation of flowing coefficient with flowing pressure was described as a parabolic function, and a new type of inflow performance relationship which contained 3 undetermined coefficients was setup

    摘要假設油井流動系數為二次拋物線函數，建立了包含3個待定系數的新型通用油井流入動態方程。
  11. The basic idea of the estimate method is, firstly, based on the linear model yi = x ' i + ei, defining the least square estimator n of the linear model for the unkown parametric ; secondly, using the estimator n we " ve got to substitute for in the original semiparametric regression model yi = x ' i + g ( xi ) + ei and using the usual nonparametric weighted function method to define the estimator gn ( - ) for the unknown function g ( ) ; finally, defining the estimator 2 for the unknown variance of errors 2

    其估計方法的基本思路是先基於線性模型y _ i = x _ i + e _ i ，定義未知待估參數的估計即此線性模型的最小二乘估計（ ? ） _ n ；然後將所得估計（ ? ） _ n代入原半參數回歸模型中，用一般的非參數權函數方法定義未知函數g （ ? ）的估計（
  12. Based on the extension theory produced by w. cai, the matter - element method of the slope stability evaluation is presented for the first time, and the classical field, the limited field, and the matter - element for appraising are determined

    定義了邊坡穩定性評價的物元表達形式，確定了邊坡穩定性評價物元的經典域、節域，以及待評物元。提出了適合邊坡穩定性評價的物元關聯函數及物元關聯度的計算方法。
  13. The model of the problem is composed of two half spaces with half circular lining inclusion. horizontal surfaces of the half spaces are loaded with undetermined anti - plane force in order to satisfy continuity conditions at linking section, or with some certain forces to appear cracks. a series of fredholm integral equations of the first kind for determining the unknown forces can be set up through continuity conditions that expressed by using of the green " function

    然後將問題的模型視為「契合」問題，即將其剖分為兩個含半圓環形襯砌的彈性半空間，分別在其剖分面上加置未知的出平面荷載，並在欲出現裂紋位置加置出平面反力使之產生裂紋，接下去利用green函數表示出界面連續條件，建立決定待解外力系的第一類fredholm積分方程組。
  14. A summary of the main conclusions of our researches is in the following : ( 1 ) nonlinear partial differential equation ( npde ) is converted into an ordinary differential equation ( ode ) via a new anstaz. using undetermined function method, the exact solutions and solitary solutions of the npde are obtained by solving the ode

    本文針對幾個非線性發展方程，做了以下幾點工作： （ 1 ）通過一種新的變換將一類非線性偏微分方程化為常微分方程，然後用待定函數法求解常微分方程，得到非線性偏微分方程的精確解和孤立波解。
  15. When solving the problems, we use the support vector regression ( svr ). first assuming the formula of function, then according to the differential and boundary conditions we transform the original problem to the quadratic programming problem. finally, use the learning algorithm of svr to decide the parameters

    只要事先假設出所求函數的表達式，然後根據已知的微分關系和邊界條件對待求函數進行約束將原問題轉化為二次規劃問題，再採用支持向量機回歸演算法對樣本進行學習即可求出參數，確定待定函數的關系式。
  16. After the streamlines and potential lines were plotted, the potential line of the hardening and softening parts were taken as the same ellipse form. in order to establish the softening elasto - plastic model of qi loess, the plastic potential function used is in a ellipse form and the plastic work function was used as its hardening parameter

    作流線和勢線，揭示了勢線的硬化部分和軟化部分具有相同的橢圓曲線形式，採用橢圓來表示塑性勢函數，以求待定塑性功函數為硬化參數的方法建立了q1黃土的軟化型彈塑性本構模型。
  17. Third, generation rule device in this model also uses the genetic algorithm to generate rule. but this genetic algorithm is different from the genetic algorithm used to optimize bp nerve network. their different point is that space of solution in this genetic algorithm isn ’ t a simple number value and space of string, but a space of function

    第三、該模型中的規則生成器也是使用遺傳演算法來生成規則，但是這里的遺傳演算法和遺傳演算法優化bp神經網路模塊中的遺傳演算法不同之處在於此遺傳演算法的求解空間不是簡單的數值與符號空間而是函數空間，它所得到的結果不是一個簡單的定長字元串，而是表示待求解問題的一個求解模型的字元串。
  18. Based on above, we proposed the intelligently optimized and comprehensive diagnosis approach - genetic algorithm ( ga ) - based intelligently optimized diagnosis algorithm which is introduced in detail in this paper. following basic theory and approach about ga, optimized objective function is decided through fuzzy logic theory, then fitness function is derived and at last how to optimize and diagnose pattern parameters intelligently is discussed with ga, including coding approach, interlace, probability selection and single copy of optimizing parameters. based on our cooperative engineer, intelligent optimization and noise diagnosis processes are discussed and diagrammized in the software designing

    基於這些理論，我們研究出一種智能優化和綜合智能診斷方法，即基於模糊遺傳演算法（ f ? ga ）的智能優化診斷方法，論文對該方法作了詳細介紹：首先介紹了遺傳演算法的基本理論及方法，接著用模糊推理理論確定優化目標函數，然後根據優化目標函數導出適應度函數，最後介紹了如何用遺傳演算法對花紋參數進行智能優化和噪聲智能診斷的，其中，講述了各個待優化參數的編碼方法、交叉、概率選擇復制個體方法等。
  19. Based on the simplified principle, the modal shapes of selected structural modes are converted into modal strains. to minimize the calculation error, curve - fitting technique is used in the process. the modal strains are summed together to determine the global distribution of the structure for selected vibration modes so that the position of piezoelectric elements could be optimally determined according to the simplified optimization principle

    通過二階中心差分運算將模態振型轉化為模態應變，採用應變曲線擬合方法降低離散誤差，進而將各階待控模態應變進行疊加，獲取系統整體特徵應變分佈情況；最後根據壓電元件位置優化的簡化目標函數，將壓電片的最優位置確定為柔性板疊加模態應變的極值區域。
  20. However, there have still some unresolved problems : first, how to determine the number and size of the clusters automatically during the clustering process. second, how to utilize the " local " ridge regression method which including multiple regularization parameters in learning rbf network. third, those clusters in irregular form ca n ' t represented by radial basis function, thus we must find some other basis functions that can describe the irregular form

    但是仍然存在幾個問題尚待解決：首先，聚類時怎樣自動確定簇的個數和半徑；其次，如何利用含有多個正規化參數的局部嶺回歸方法進行rbf網路學習；第三，如果簇的形狀是不規則的，則它很難用徑向基函數來描述，因此需要研究其它能代表不規則形狀的簇的基函數。
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