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interpolation polynomial中文是什么意思

  • 插值多項式
  • 內(nèi)插多項式

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  • 例句與用法
  • A linear combination of lagrange interpolation polynomial
    插值多項式的線性組合
  • The convergence of interpolation polynomials based on unit roots
    基于單位根上插值多項式的收斂性
  • Estimation of approximation order of lagrange interpolation polynomial after revised
    插值多項式的收斂階的估計
  • Confluent interpolation polynomial
    匯合內(nèi)插多項式
  • Research on emile borel ' s work on improving lagrange interpolation polynomial
    對波萊爾改進(jìn)拉格朗日插值公式思想方法的研究
  • Convergence order of double variate combination trigonometric interpolation polynomials
    二元組合型三角插值多項式的收斂階
  • The trigonometric interpolation polynomials ' simultaneous approximation of functions and their derivatives
    三角插值多項式對函數(shù)及其導(dǎo)數(shù)的同時逼近
  • The errors in calculating derivatives for the gll collocation points are evaluated , which can be alleviated from o ( ( n4 ) to o ( ( n2 ) by the double - precision method proposed in the present paper , where ( denotes the machine precision and n the order of the interpolation polynomials in the elements
    文中對gll配置點下的求導(dǎo)誤差進(jìn)行了分析,提出的雙精度方法可以將求導(dǎo)誤差從o ( ( n4 )減小到o ( ( n2 ) ,其中(為機(jī)器精度, n為單元內(nèi)插值多項式階數(shù)。
  • In the terms of interpolation , the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character . 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation , the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation , the more number of summation and the more order of interpolation polynomial , the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation , the more of reconstruction time simultaneously , aimed at eliminating the effects of noise contained in projection data , in this paper , author analysis cause and effects of common artifacts . importantly , discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector
    在ct圖像重建時,選擇有限帶寬窗有較好的空間分辨率,三角形窗有較好的密度分辨率,選擇余弦窗則使得空間分辨率與密度分辨率的折衷;從窗函數(shù)的頻譜角度來講,可以用于圖像重建的一個良好的卷積窗函數(shù)應(yīng)該具備以下條件: ( ? )小的3db帶寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內(nèi)插函數(shù)而言,臨近點內(nèi)插與線性內(nèi)插重建圖像噪聲大,但有較好的邊緣與細(xì)節(jié); 4 4三次內(nèi)插、三次b -樣條與四次拉格朗日多項式內(nèi)插圖像平滑,局部特性較好。
  • A kind of operator of trigonometric interpolation polynomials with bivariate product was constructed based on an equidistant node set , so that the operator could be converged uniformly to bivariate continuous functions with periodicity of 27 on whole plane , and the convergence order of the approximation would be optimal for a body of functions with arbitrary - ordered continuous partial deritives
    摘要構(gòu)造了一類基于等距結(jié)點組上的二元三角插值多項式算子,使得該算子在全平面上一致收斂到每個以2為周期的二元連續(xù)函數(shù),并且對具有任意階連續(xù)偏導(dǎo)數(shù)的函數(shù)全體的逼近具有最佳收斂階。
  • 更多例句:  1  2
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