trigonometric approximation polynomial

Unlike other meshless methods, the point interpolation method (PIM) adopts the polynomial approximation to construct the shape functions.

点插值法与其他无网格方法不同的是采用多项式近似来构造形函数,这种形函数具有Kroneckerdelta函数的特性,因此,易于施加本质边界条件。

This design dispenses with Rom,which mainly limits the design of DDS,but use SIN function polynomial approximation directly generating.

多项式近似方法采用流水线结构,并利用Xilinx公司的FPGA器件(XC2 V3000-ff11524)进行设计实现。

This design dispenses with ROM which mainly limits the converting speed of DDS, but uses SIN function polynomial approximation directly generating digital SIN wave.

利用正弦多项式近似直接产生数字正弦波,而无需限制相幅转化速度的ROM。

In order to simply the layered soil in SSI problem,the article provides a new way that is still 2DOFM lumped-parameters model,but the parameter values are identified the first-order polynomial approximation method on the basis of the actual acceleration records.

根据非线性系统状态参数估计理论和土-结构系统的实际地震动记录,利用多项式一阶近似来代替EKF滤波技术中的求导线性化过程,来估计土双自由度集总参数模型中各参数值。

BTTB Preconditioner for Block Toeplitz Systems Based on Trigonometric Polynomial Approximation;

基于三角多项式近似的BTTB预处理矩阵

Application of Bi-evolution Strategies to Solving Polynomials Approximate Factorization

基于双群进化策略的多项式近似因式分解

Error Analysis of the Partition of Unity Method Based on Local Polynomial Approximation Space;

基于局部多项式近似空间的单位分解方法的插值误差估计

Selectivity Estimation on Synopses Based on Chebyshev Polynomials

在Chebyshev多项式概要上近似属性分布

A New Technique to Design Polynomial Time Approximation Schemes in Euclidean Space

一种在欧氏空间设计多项式时间近似方案的新技术

Study of Approximate Fundamental Solution of Orthogonal Polynomials in Dynamical BEM

动力边界元法的正交多项式函数的近似基本解研究

Improvement and Implementation of a Polynomial Time Approximation Scheme for Euclidean Traveling Salesman Problem;

欧氏平面上货郎问题的一个多项式时间近似方案的改进与实现

Approximate Epipolar Image Generation of Linear Array Satellite Stereos with Rational Polynomial Coefficients

基于有理多项式系数的线阵卫星近似核线影像的生成

Approximating logarithmic spiral segments by polynomial and C-Bézier

对数螺线段的多项式逼近与C-Bézier逼近

rational function approximation

有理函数逼近[近似](式)

approximation by Hermite interpolation polynomials

埃尔米特插值多项式逼近

approximation by Lagrange interpolation polynomials

拉格朗日插值多项式逼近

On Approximation of Modifying S.N.Bernstein Trigonometric Polyromials;

二元S.N.Bernstein型三角插值多项式的逼近

Approximation of the Offset Curves of Bézier Curves by Bézier Curves of the Same Degree

Bézier曲线的等距曲线的同次多项式逼近

New way of approximating rational Bézier curve with polynomial curve

有理Bézier曲线的多项式逼近新方法

Degree of Approximation of a Special Lagrange Polynomial Approxmating the Smooth Function;

一类特殊Lagrange多项式逼近光滑函数的逼近度

We thus see that Eq. (7.44) can only be an approximate solution at best.

于是，我们看到，式（7．44）至多也只能是一个近似解。

Often F has some form of self-similarity, perhaps approximate or statistical.

分形集合通常具有某种自相似形式，多半是近似的或统计意义下的。