滤波器的设计，实质上是数学逼近理论的应用。
Design of the filter is essentially application of approximation theory.
本文基于逐级逼近理论建立了一种动力模型缩聚的逐级近似减缩法。
On the basis of succession-level approach theorem, a Succession-level Approximate Reduction Technique (SART) of dynamic model is developed in this peper.
在中心极限定理和逼近理论的基础上，提出了一种用三角滤波器的级联来实现高斯滤波器的新方法。
On the basis of the central limit theorem and approximation theory, a new implementation of the Gaussian filter by cascaded triangle filters is presented.
第二章介绍了有关平板显示器驱动技术的基本原理和显示色度学相关的基础知识，同时给出函数逼近理论的基本概念。
In chapter two, the basic knowledge related to panel display drive technology and chromaticity is introduced. Some terminology of functions approximation theory is presented.
应用最佳一致逼近理论，从最小条件出发建立了评定平面度误差的数学模型，对评定平面度误差的理论问题进行了分析研究。
In this paper, the mathematical model of flatness error is established. The theory of optimal approximation is used to analyze the theoretical problem of flatness error.
针对F I r正交滤波器方法的缺点，本文根据函数逼近理论，在理论上，证明了正交小波函数可以最佳一致逼近理想滤波器。
After deficiencies of the FIR based orthogonal filter are analyzed, this paper, based on function approximation, theoretically proves that orthogonal wavelets can best approximate the ideal filters.
对五坐标曲面加工中由离散线性运动逼近理想刀具轨迹所引起的理论加工误差进行了较严格的分析。
The theoretical error in five axis NC machining, which is resulted from approximating the perfect continuous tool path with discrete linear segments, is strictly analyzed.
对五坐标曲面加工中由离散线性运动逼近理想刀具轨迹所引起的理论加工误差进行了较严格的分析。
The theoretical error in five axis NC machining, which is resulted from approximating the perfect continuous tool path with discrete linear segments, is strictly analyzed.
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