approximate method 中文意思是什麼

approximate method 解釋
近似法
  • approximate : vt 1 使接近。2 接近；走近。3 近似，約計。4 模擬。5 估計。vi 近於。 His income this year approxima...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The experiments show that the performance of our method is similar to the ye - 0. 699 algorithm, which is the best approximate algorithm in polynomial time. but our method can effectively solve the max - bisection problem with a large scale. 2

    數值實驗表明，該方法與ye - 0 . 699近似演算法（現有的求解圖的最大二等分問題的最好的多項式時間近似演算法）得到的解的性能幾乎沒有差異
  2. In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy

    Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則，本論文在此基礎上對統計信息準則進行一些改進，並與快速模糊聚類和正交最小二乘方法結合，提高了模型的辨識精度和泛化能力。
  3. Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells

    同時給出了利用這些參數判別邊界角點，邊界光滑段的判據，以及估算曲率半徑，等效周長的方法;最後，以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性，該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證，結果表明，該演算法處理速度快，分割效果良好。
  4. The calculation results indicate that the starting performance of forebody / inlet with wedge - shaped lip is better than that with plane lip at low flight mach number. at high flight mach number, the performance of the forebody / inlets designed by the two methods is approximate. at low flight mach number, the starting performance of forebody / inlet designed by the method of constant shock wave intensity is better

    結果表明：唇口帶楔角的進氣道在低飛行馬赫數下的起動性能優于唇口平直的進氣道；採用等激波強度和等激波角度方法設計的進氣道在高飛行馬赫數下的性能相近，在低飛行馬赫數下，採用等激波強度方法設計的進氣道起動性能較優。
  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. Finite element method ( fem ) is an approximate solution in engineering, there exists some error in the analysis result, so it is important to check the result and to geta right view of the result in the analyzing process, then this can lead the right analysis in the next step

    摘要有限元法是一種工程近似求解的方法，存在誤差，所以在用有限元軟體進行工程分析計算時，很重要的一點是分析過程中必須審視分析的結果，對結果有正確的認識，從而指導工程分析的正確進行。
  7. Recurrence and iteration calculation of approximate method in quantum mechanics

    量子力學中近似法的遞推及迭代計算
  8. Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough

    在利用上述的兩種束縛態波函數和兩種光學勢的基礎上，我們研究了一系列的敲出反應：通過對比兩種束縛態波函數和光學勢，我們得到的結論是：兩種束縛態波函數和光學勢對反應截面的能量分配譜的貢獻都比較好，但尤以波函數_ （ li ） （ r ）為佳；光學勢v _ （ clu ） + （ r ）得到的光譜因子比用woods - saxon勢v _ （ ws ） （ r ）的結果要好，它不僅能適用於彈性散射，且對敲出反應也能得出比較好的結果；集團的敲出反應是集團表面局域性的表現：在中低能的入射條件下，扭曲效應不能忽略，但入射能量較高時，扭曲效應影響較小，可以用平面波沖量近似的方法。
  9. We use approximate method to fit the accurate results and find a fast and rather accurate way to design waveguide narrow - wall slots array

    利用邊界元素法即可求解出二維問題的解后再做逆fourier變換即可。
  10. At last, an approximate method for evaluate fatigue life of structures under repeat random stress block is presented through a lot of calculation examples

    進一步分析了隨機應力循環下結構的疲勞損傷，導出損傷演化的遞推公式，並結合大量的計算給出結構在應力塊重復循環下疲勞壽命估算的一個近似方法。
  11. Such limit is not due to the method itself, but is due to the limits of the speed and memory of computers. at present, we mainly use the high - frequency approximate method to analyze the electrical - large size target whose shape is relatively regular

    矩量法不適于分析電大尺寸的物體，這種限制不是由於方法本身，而是碩士學位論文凡1入ster 』 5th卜515由於計算機速度與存儲能力的限制。目前主要採用高頻近似方法來研究電尺寸較大而形狀相對規則的目標。
  12. But using the high - frequency approximate method to deal with the coupling of parts of electrical - large size target is troublesome as well as not accurate. combining the moment method and the high - frequency approximate method is a development trend and study way in the future

    但高頻近似方法對于電尺寸大而形狀很復雜的散射體各部件之間的相對禍合處理起來有些麻煩且不很精確。將高頻近似方法和數值方法（如矩量法）相結合，是以後的發展趨勢和研究方向。
  13. 2. the approximate method of simplifying two - dimension wave equations in slowly varying nonhomogeneous medium is constructed

    （二）構造了利用小波變換簡化二維非均勻緩變介質中波動方程的近似方法。
  14. For each stiffener element, the average stress - strain relationship under axial load as a beam - column in the flexural buckling mode is derived based on the approximate method, proposed by gordo and guedes scares

    這種方法對傳統船型是有效的，但是它不能給出船體極強度的真實估算，而且當應用於非傳統船型時其計算結果不能令人滿意。
  15. Thirdly, the methodologies of equivalent linearization and moment equations method in the approximate method for random vibration of nonlinear structure are studied

    第三，對非線性結構隨機振動近似分析方法中的隨機等效線性化法和矩方程法進行了研究。
  16. The simulation proves the approximate method can greatly reduce the structural displacement. third, the adrc is used in the structural seismic response control

    2 、將時滯線性系統h _控制的近似方法應用到結構減振主動控制中。
  17. Consult the tolerance method of fix income security ' s market risk, we consequence and conclude the s - y approximate method of tolerance option ' s market risk base on the key theory of var parameter model, and it offer a theoretical foundation of option ' s market risk real time tolerance

    參考固定收益證券的市場風險度量方法，在var （風險價值）參數模型的核心理論基礎之上，推導並歸納總結出度量期權市場風險的-近似法，為期權市場風險的實時監控提供了理論依據。
  18. Hence, the paper solved the large symmetric deflection of the annular plate under uniform pressure applying the approximate method

    為此，文章採用了近似的方法，解決了均布載荷下復原閥片和壓縮閥片的大撓度變形問題。
  19. Numerical solution is mainly applied for this problem. adopting certain assumptions, this paper presents an approximate method of obtaining the temperature field by green ' s function, and gives the solution of a two - dimensional field involving a circular vacant flaw

    通常採用數值計算，本文通過採用一定的假設條件，提出了溫度場解析求解的近似方法，並對含有二維圓形空腔缺陷的試件溫度場進行了求解。
  20. Space heating capacity of single fireplaces ; approximate method for determining the size of single fireplaces

    單火鍋爐的空間加熱能力.單火鍋爐尺寸測定的近似值方
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