numerical implementation 中文意思是什麼

numerical implementation 解釋
數值計算方法
  • numerical : adj 數字的;數值的;用數字表示的。 (a) numerical order 號數。 a numerical statement 統計。 the ...
  • implementation : n. 執行,履行;貫徹,落實。
  1. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  2. As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy

    本文先以代表定常不可壓位勢繞流的laplace方程為例,研究了laplace方程的無網格離散形式,並運用gmres高效演算法對其快速求解,數值模擬了典型的圓柱繞流;並通過不同點雲尺度的數值模擬,顯示出點雲尺度對計算精度的影響。
  3. Modified forms of transom conditions are presented and one of them appears to be more effective and stable in the numerical implementation of transom conditions

    給出了方尾條件的若干改進形式,其中一種在數值實現方尾條件時顯得更加有效和穩定。
  4. This thesis is to present and analyze one class of regularized multi - grid algorithms ( rmga ) for solving operator equations of the first kind. the rmga employs tikhonov ' s regularization to solve the corase grids equations with a new choicing parameter ' s posteriori - method for improving the numerical stability, and adopts a new smoothing strategy to correct the solutions on the fine grids for preserving the high efficiency of mgm. meanwhile, some key technical problems in the process of implementation of rmga are disscussed

    本文將提出一類適合第一類運算元方程的正則化的多重網格演算法,它結合一種新的正則參數選取準則,應用tikhonov正則化來求解粗網格方程保證了求解的穩定性;而在將解向細網格延拓時使用了一種新的光順處理策略。
  5. This dissertation studies mainly theories and according numerical implementation of a class of dual algorithms for nonlinear optimization problems, including unconstrained minimax problems and constrained nonlinear programming problems

    本文主要研究非線性優化中的一類對偶演算法,包括無約束極大極小問題的對偶演算法和約束非線性規劃問題的一類對偶演算法的理論與相應的數值實現。
  6. Firstly the development and the numerical implementation of integral equation method are simply introduced, then the deduction of the mlfma and some of the general difficulties in the mlfma are discussed, several techniques to solve these difficulties are also presented

    首先簡要介紹了積分方程方法的發展及其數值實現,然後分析了多層快速多極子演算法的推導過程,並分析了目前多層快速多極子演算法的一些共性的問題,並針對上面的共性問題提出解決方案。
  7. To maintain the required accuracy, the implementation of the ssfm requires that the step size be selected carefully, which has been studied by many authors. however, the selective problem of the time window width, which has important effect on the numerical simulation, was rarely reported

    時間窗口的選取毫無疑問對計算結果有很大的影響,然而目前針對t _ w的選取及其對數值模擬結果的影響這一方面的研究尚未見報道。
  8. In order to implement efg method through computer program, the discrete equation from the variational principle ( weak form ) and the numerical implementation are described

    再次,論述了無網格伽遼金方法的位移近似函數和權函數,給出了變分方程及離散方程,以及數值求解的實現。
  9. Numerical simulation of the deep foundation engineering based on fem and its implementation

    的深基礎工程數值模擬及其實現
  10. Developing high - performance numerical software is a difficult task. it needs deliberate efforts from design to implementation, which often takes a long period of time. under this condition, obtaining technical and empirical knowledge through understanding, using and analyzing some existing well - designed software has become a shortcut to achieve our goal

    在這種情況下,了解、使用、解構剖析一些已有的優秀數值軟體成果,以獲取在開發經驗及技術方面更多的認識,成為了我們迅速提高數值軟體開發水平的一條捷徑。
  11. Design and implementation of computer control system for numerical control reel machine

    數控包帶機計算機控制系統的設計與實現
  12. The grid - computing implementation of a mesoscale numerical weather forecast system

    基於網格的中尺度數值天氣預報系統設計與實現
  13. Finally the paper introduces the programming implementation of the proposed method and mix - language programming techniques. numerical examples are used to prove the proposed sensitivity analysis method

    最後,在程序實現上,闡述了混合編程技術及程序的實現過程,給出了數值算例,對所提出的靈敏度分析方法進行了驗證。
  14. Design and implementation of numerical analysis cai based on web

    系統的設計與實現
  15. The implementation of straightforward mie scattering numerical calculation

    簡易mie散射數值計算方法的研究
  16. Finally, the implementation process of the proposed method is illustrated and analyzed by a numerical example

    最後,利用算例對方法的運算過程進行了具體分析和說明。
  17. This dissertation, basing on project of hi - tech research and development program of china ( abbreviate as : 863 ) robot theme subsidy subject " numerical control shaped equipment research and development ", probes into design and implementation method of real - time computer numerical control ( cnc ) system under common operating system - windows

    論文以國家高技術研究發展計劃( 863計劃)機器人主題資助課題「數控成型設備開發與研製」為背景,探討了在通用操作系統windows下實現實時計算機數字化控制系統的設計思想和實現方法。
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