逼近

In the third chapter, interval polynomial approximation of rational curves is introduced.

第三章主要介绍了有理曲线的区间多项式逼近。

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.

然而由于计算的复杂性和设计的需要，有时我们还需要用多项式函数来逼近有理曲线和曲面。

In this paper, we survey the development of polynomial approximation of rational curves and state the knowledge of interval curves in the first chapter.

本论文中，第一章首先介绍了有理曲线曲面的多项式逼近研究工作的发展情况和区间曲线曲面一些相关知识。

Two new approaches are proposed for a polynomial approximation of Bezier offset curves.

提出了Bezier曲线等距线的两种多项式逼近新思路。

Application of polynomial approximation based single peak spectral lines interpolation algorithm in interharmonic analysis.

基于多项式逼近的单峰谱线插值算法在间谐波分析中的应用。

A dollar to prove Taylor's formula and its application Various types of polynomial function is one of the most simple, using polynomial approximation function is similar to the calculation and theoretical analysis of an important element.

一元泰勒公式的证明及应用多项式是各类函数中最简单的一种，用多项式逼近函数是近似计算和理论分析的一个重要内容。

Lagrange operator and Bernstein operator are two important operators which are used to deal with polynomial approximation problems. They have advantages and disadvantages of their own.

Lagrange算子与Bernstein算子是用于处理多项式逼近问题的两个重要算子，这两种算子各有优缺点。

For the best polynomial approximation method we propose six class of bases and research their effects on compression speed, PSNR of restored images and compression ratio.

对于多项式最佳逼近方法，提出并研究了六类基对压缩速度、还原图象的PSNR以及压缩比的影响。

On the analysis and contrast based on existing typical algorithms on multiuser detection, two new MUD algorithms are presented for improving computing complexity:"Low complexity polynomial expansion closed" and "Fast equalization by using frequency domain block constant modulus". The performance of the new detectors is analyzed and researched in detail in this paper.

并且在对现有典型多用户检测算法进行分析和对比的基础上，提出了两种新的降低算法复杂度的多用户检测算法："低复杂度多项式逼近算法"和"频域DFT快速分组检测算法"，并对它们的性能进行了详细分析和研究。

The end of science in Popper\'s point of view is to approach the truth but not to seek for absolute truth.

在他看来科学的目的是不断地逼近真理而不是追求绝对真理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。