Analysis of difference fairing based on DFT-filter

S. K. Cho; B. K. Choi

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Analysis of difference fairing based on DFT-filter

机译：基于DFT滤波器的差异整流罩分析

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摘要

In this paper, even-order-difference fairing (EOD-fairing) of point-sequence curve (PS-curve) is analyzed using a discrete Fourier transform filter (DET-filter). It is shown that EOD-fairing of a reflection-padded PS-curve is equivalent to DET-filtering, and a DET-filter corresponding to the EOD-fairing operation is derived. Based on the concept of filtering measure, a method of determining an "optimal" damping factor for EOD-fairing is proposed, and then the validity of the proposed method is demonstrated via experimental tests.

机译：在本文中，使用离散傅里叶变换滤波器（DET-filter）分析了点序曲线（PS曲线）的偶数阶差分光顺（EOD-fairing）。结果表明，反射反射后的PS曲线的EOD消除等效于DET滤波，并推导了与EOD消除操作相对应的DET滤波器。基于过滤量度的概念，提出了一种确定EOD减量的“最佳”阻尼因子的方法，然后通过实验测试证明了该方法的有效性。

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《Computer-Aided Design》 |2001年第1期|共12页
作者
S. K. Cho; B. K. Choi;
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正文语种 eng
中图分类计算机的应用;
关键词
Difference fairing; Even-order difference; Damping factor; DFT; Filter; EOD filter; Point-sequence curve; Curve-fairness;

机译：差分整流;偶阶差分;阻尼因子;DFT;滤波器;EOD滤波器;点序曲线;曲线公平;

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1. Analysis of difference fairing based on DFT-filter [J] . S. K. Cho, B. K. Choi Computer-Aided Design . 2001,第1期

机译：基于DFT滤波器的差异整流罩分析
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Analysis of difference fairing based on DFT-filter

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