approximation polynomial 中文意思是什麼

approximation polynomial 解釋
近似多項式
  • approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
  • polynomial : adj. 1. 【動、植】多詞學名的。2. 【數學】多項式的。n. 1. 【動、植】多詞學名。 2. 【數學】多項式。
  1. We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion

    在第三章中，介紹了rb曲線與poisson曲線的概念以及基本的幾何性質，指出了poisson基函數與有理bernstein基函數之間存在的關系，並且將解析函數的taylor逼近與poisson逼近進行比較。實例表明，對于在無窮遠處極限為0的函數以及有界函數， poisson逼近比taylor逼近效果要好。
  2. A new osculatory rational interpolation kernel function is established, which is different from the classical linear interpolation kernel functions. generally, it is a more accurate approximation for the ideal interpolation function than other linear polynomial interpolants functions. simulation results are also presented to demonstrate the superior performance of this new interpolation kernel function

    本文構造了一個全新的圖像插值核函數?自適應切觸有理插值核函數，同現有的線性插值核函數相比，其空域特性和頻域特性均最接近合肥工業大學博士論文理想插值核函數sinc函數。
  3. In theory of approximations, the classic methods of polynomial approximation for rational expression are various interpolations and operator approximations, such as lagrange interpolation, hermite interpolation and bernstein polynomial approximation

    在逼近論中，用多項式逼近有理式的經典的方法是各種插值與運算元逼近方法，如lagrange插值、 hermite插值和bernstein多項式逼近等。
  4. Interval polynomial curves approximation of offset curves

    曲線的光順
  5. This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network

    為此本文中分別介紹了正交試驗，均勻試驗以及中心復合試驗等幾種試驗設計方法，以及多項式響應面， kriging ，和徑向基函數等幾種數學近似方法。並且通過構造描述機翼展向升力分佈的代理模型，對上述幾種方法作了對比分析。
  6. The parametric speed of the curve is firstly approximated by the bezier polynomial which takes the lengths of control polygon ' s edges of the direction curve of normal as bezier coordinates. then the corresponding geometric offset approximation algorithm is given. moreover, an offset approximation with high precision is obtained by degree elevation of the direction curve of normal

    首先利用以法矢方向曲線的控制多邊形邊長為b zier縱標的b zier多項式來逼近曲線的參數速度，給出了相應的幾何等距逼近演算法，進一步結合法矢方向曲線的升階獲得了高精度逼近
  7. In the third chapter, interval polynomial approximation of rational curves is introduced

    第三章主要介紹了有理曲線的區間多項式逼近。
  8. However, due to the complex of computation and the need of the design, sometime we need to use polynomial approximation for a rational curves and surfaces

    然而由於計算的復雜性和設計的需要，有時我們還需要用多項式函數來逼近有理曲線和曲面。
  9. In this paper, we survey the development of polynomial approximation of rational curves ( surfaces ) and state the knowledge of interval curves ( surfaces ) in the first chapter

    本論文中，第一章首先介紹了有理曲線曲面的多項式逼近研究工作的發展情況和區間曲線曲面一些相關知識。
  10. The image inverse filtering with polynomial approximation and the image recovery in spatially variant systems

    用多項式近似的圖象逆濾波及空間移變系統圖象的恢復
  11. The obtained results in the paper are as follows : ( 1 ) the expansion of fourier series of orthogonal trigonometric polynomial for conditional mathematical expectation and function of random variable ; ( 2 ) the best approximation of trigonometric polynomial about another random variable for function of a random variable ; ( 3 ) the best approximation order of trigonometric polynomial for function of random variable

    摘要獲得了如下結果： （ 1 ）條件數學期望及隨機變量函數的三角多項式級數表達； （ 2 ）一個隨機變量關于另一個隨機變量的三角多項式的最佳逼近； （ 3 ）隨機變量函數被隨機變量三角多項式最佳逼近的階。
  12. Eno schemes are based on the approximation theory, which achieve high - order spatial accuracy by reconstructing piecewise smooth high - order approximate polynomial from the cell - averaging values. during the reconstruction, adaptive stencil technology, which automatically chooses the relatively smoothest stencil from all possible stencils, is adopted to guarantee essentially non - oscillation near the discontinuity

    Eno格式基於近似理論，採用自適應基架技術（即自動選取所有基架中相對最為光滑的基架） ，對網格平均值構造分段光滑的高階多項式來獲得高階空間精度，同時保證格式在間斷附近具有基本無振蕩性質。
  13. Estimation of approximation order of lagrange interpolation polynomial after revised

    插值多項式的收斂階的估計
  14. In the final chapter, we discuss interval polynomial approximation of rational surfaces. firstly, we briefly state the interval - surface approximation based on the taylor expansion, and later, we give out a better interval - surface approximation based on the optimization method, which is also the main work of this paper

    第四章主要介紹了有理曲面的區間多項式的逼近，首先簡單介紹了基於泰勒展開來做的區間曲面逼近，後面是本文的主要工作，我們基於優化方法得到了更好的區間曲面逼近，它也是本文的重要部分。
  15. Polynomial - time approximation schemes ( ptas ) : a ptas is a family of algorithm { a | > 0 } such that for any fixed > 0, a runs in time polynomial in the length of the input and gets a solution with an objective value which is at most 1 + e times of the optimum

    若每次修正後，實例的目標函數值不超過原來的1 + o （ ）倍，我們稱修正費用不超過1 + o （ ） 。 ptas演算法：若演算法列{ a _ }對于問題的任一個例子都是1 +近似演算法，計算次數是問題大小的多項式（將視為常數） ，稱它為ptas演算法。
  16. ( 5 ) the constructively sufficient conditions of the approximating c1 functions and the explicit formula dealing with the approximation precision and the number of fuzzy rules are given for one kind of general fuzzy systems, using the methods different from the former ones which are based on the stone - weierstrass theory, therefore, the constructively sufficient conditions are also generalized from polynomial function to c1 function

    （ 5 ）針對一類一般的模糊系統，採用與通常的基於stone - weierstrass定理證明模糊逼近器不同的方法，首次給出了它們逼近c ~ 1函數的構造性充分條件，並給出了逼近精度與模糊規則條數之間關系的顯式表達式
  17. Polynomial approximation method of canopy track for powered supports

    液壓支架梁端軌跡的多項式逼近方法
  18. Variable parameter gradient estimation algorithm with local polynomial approximation

    一類時變系統參數跟蹤估計
  19. Best polynomial approximation

    最佳多項式逼近
  20. Uniqueness of analytic functions in weighted hardy space and weighted exponential polynomial approximation in many variables

    空間中解析函數的唯一性及多元指數多項式的加權逼近
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