數值逼近 的英文怎麼說

中文拼音 [shǔzhíbījìn]
數值逼近 英文
digital approximation
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  1. Using numerical - approaching method to study the potential of assembled electron lens

    用數值逼近方法研究組合電子透鏡的電勢
  2. Except for method of spline interpolation, mra method are used to resolve numerical approximation problems, too

    除了應用樣條函數插值方法外，解決數值逼近問題還可以採用小波分析中多尺度分析的方法。
  3. The basic idea is to find iterative points which converge to optimal point and its corresponding objective function or merit function values converge to optimal value

    其基本思想是構造迭代點來逐步逼近最優點，相應的目標函數值或評價函數值逼近最優值。
  4. In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible

    在rsdm中，以實值模式代替二值模式，避免了實值到二值的編碼過程：以回歸學習規則代替外積法，使該模型在具有識別能力的同時具有了對函數的逼近能力；地址矩陣的預置根據樣本的分佈採取不同方法，若樣本均勻分佈，則隨機預置，否則利用遺傳演算法的原理和消減措施來預置地址矩陣，使之反映樣本的分佈，改善網路的性能。
  5. Method of data approach in dsp applications

    應用中的數值逼近
  6. Numerical approximations of solution branches of a corank - n bifurcation point

    階分歧點處解分支的數值逼近
  7. Numerical approximation of hopf bifurcation for delay logistic differential equation

    分支參數值的數值逼近
  8. Numerical approximation of interface problems for elliptic differential equations

    橢圓型方程內邊界問題的數值逼近
  9. In this paper, three numerical approximation problems are discussed in some reproducing kernel spaces

    本文主要針對某些再生核空間討論了數值逼近中的三個問題。
  10. It is discussed that the numerical approximation of interface problems for elliptic partial differential equations

    討論了橢圓型偏微分方程內邊界問題的數值逼近。
  11. Based on the fourier series digital approximation method, the optimal design of flat - top and high isolation pass band frequency response interleaver has been studied. at last a solution of high isolation ( > 45db )

    用傅立葉級數展開數值逼近的方法進行了高隔離度平頂通帶頻響全光纖奇偶交錯濾波器的優化設計，提出了隔離度大於45db通帶平坦濾波器的製作方案。
  12. On these bases, the author combined the method of analytic function, finite difference and numerical approximate in the optimizing design of valve train cam profile, and developed a special software with the exclusive purpose in the valve train cam profile design

    在此基礎上，採用解析函數與有限差分法及數值逼近相結合的方法對配氣凸輪型線進行了優化設計，開發出了用於配氣凸輪型線設計的專用軟體。
  13. General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity

    摘要時間序列數據庫中相似子序列的搜索，常用滑動窗口、分形插值逼近等方法將時間序列分割成各子序列，線性擬合各分段子序列，計算查詢序列與各子序列的歐氏距離，滿足距離閾值條件的為相似子序列。
  14. In the space, wavelet approximation formula and sampling formula are gived and these are simple and easy for calculation. it is a new attempt to establish mra in the reproducing kernel space. this not only makes up existing researchful defects but also gives a better method to resolve numerical approximation problems and it further enriches the reproducing kernel theory and wavelet method. this provides more applied method for resolving numerical approximation problems in the space which is often used in the engineering

    在再生核空間中建立的多尺度分析方法是利用再生核工具探討小波理論的又一次大膽的嘗試，它不但彌補了現有研究的缺憾，而且給出了解決數值逼近問題的一個新思路，進一步豐富了再生核理論，充實了小波方法，這為在工程中常用的空間中解決數值逼近問題又提供了一種較為實用的方法。
  15. Meanwhile, the definition and method of finite difference as well as the theory of numerical approximate were further studied. with the emphasis on their application, the finite difference, the theory of numerical approximate and the optimizing design of valve train were harmoniously integrated

    同時對有限差分的定義、方法及數值逼近理論進行了研究，著重研究了有限差分和數值逼近理論在配氣機構機構優化設計中的應用，使有限差分、數值逼近理論與配氣機構優化設計有機地結合了起來。
  16. This paper researches the numeric approximation characteristic of series - parallel fuzzy system and points out that the number of fuzzy rules should not exceed the number of the samples. in addition, the influence of approximation error and system initial error on the performance of the series - parallel fuzzy system is also investigated

    本文研究了串並聯方式模糊系統的數字逼近特性，得出結論：當模糊規則數等於樣本數時，已經可以實現精確插值，因此模糊規則條數不能超過樣本數目，否則將冗餘，並可能引起振蕩，削弱模糊系統的泛化能力。
  17. By the ranking model by similarity to ideal point based on m and n, the criterion of cultivated land can ’ t be used as plant cash crops and the criterion of cultivated land should priority used as plant cash crops and the criterion of cultivated land can ’ t be used as construction land and the criterion of cultivated land should priority used as construction land were confirmed. finally, the evaluation of cultivated land grade, realistic class, and potential class were all demonstrated and the result of cultivated land grade, realistic class, and potential class were all verified in a case study in changsha county changsha city, hunan province. by calculated cultivated land coefficient m and n and confirmed c _ m and c _ n of the ranking model by similarity to ideal point, the result 0. 5032 < c _ m 0. 9931 was confirmed as the criterion of cultivated land should priority used as plant

    最後以湖南省長沙縣作為典型研究區域，實證了耕地等、現實級和潛在級的評價，並分析了其評價結果的可靠性;通過計算耕地經糧系數和建糧系數，及逼近於「理想點」的排序模型中的c _ m和c _ n確定了長沙縣0 . 5032 < c _ m 0 . 9931為耕地應優先用作菜地等經濟作物用途和0 . 0126 c _ m < 0 . 5037為耕地不應用作菜地等經濟作物用途的判別標準;確定了長沙縣0 . 5035 < c _ n 0 . 9937為耕地應優先用作建設用地用途和0 . 0139 c _ n < 0 . 5035為耕地不應用作建設用地用途的判別標準;最後闡明了c _ m 、 c _ n在種植業結構調整、耕地保護和土地管理中的應用價值。
  18. A study is made of the theory of linear fractal interpolation and a model called fractal interpolation approximate model is presented from the self - similarity of share price signals. also, a comparison is made of the interpolation method and times

    研究了線性分形插值理論，結合股價信號的自相似性，提出了股價序列分形插值逼近模型，並作了插值方法和插值次數的比較。
  19. To obtain the fast matrix - vector multiplication algorithm, we approximate the kernel function with piece - wise polynomial and get the approximate coefficient matrix a using the approximate kernel function. let n be the number of quadrature points and k2 be the number of interpolating knots at each subdomain. it is proved that the construction of a and the matrix - vector multiplication ax require o ( nk ) operations respectively

    我們利用對核函數進行分片多項式插值逼近得到適用於快速方法的近似系數矩陣a ：矩陣a的計算和矩陣-向量相乘ax各需要o （ nk ）次運算，存貯a需要佔用o （ nk ）內存，其中n為積分節點的個數， k ~ 2為每個小區域的插值節點數。
  20. It discusses the influence factors of pile groups effect, such as pile space, pile number, pile diameter, pile length and soil parameter etc. subsequently, using linear interpolation function to approximate the soil ' s anti force to piles, the article combines p - y curves with pole system fem. in this way, a new pile - soil interaction element calculated model is designed, the pile - soil interaction element stiffness matrix is deduced, and establishes finite element equation of p - y model, writes the relevant finite element program with matlab language, calculates and analyses pile groups subjected to lateral loads with engineering examples

    隨后，本文將p - y曲線法與桿系有限元法相結合，採用線性插值函數來逼近土對樁的約束反力，得到新的樁?土相互作用的單元計算模型，推導了樁?土相互作用的單元剛度矩陣，建立了p - y模型的有限元求解方程，用matlab語言編制了相應的p - y曲線有限元法計算程序，進行橫向承載樁的計算分析。
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