The Research of Causality for Frequency Domain Deconvolution Filter

LIU Ming-liang; CHEN Long; GAO Jian

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The Research of Causality for Frequency Domain Deconvolution Filter

更新时间：2025-07-16

- The Research of Causality for Frequency Domain Deconvolution Filter
- Acta Electronica Sinica Vol. 29, Issue S1, Pages: 1947-1949(2001)
- 作者机构：
  
  北京工业大学电子信息与控制工程学院,北京,100022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2001
- 稿件说明：
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LIU Ming-liang, CHEN Long, GAO Jian. The Research of Causality for Frequency Domain Deconvolution Filter[J]. Acta Electronica Sinica, 2001, 29(S1): 1947-1949.
DOI：

LIU Ming-liang, CHEN Long, GAO Jian. The Research of Causality for Frequency Domain Deconvolution Filter[J]. Acta Electronica Sinica, 2001, 29(S1): 1947-1949. DOI：

摘要

本文首先介绍了成功应用于现代时域测量中的几种频域反卷积滤波器.并说明了这些反卷积滤波器元旦是非因果的.显然

滤波器非因果化要影响反卷积的估值

因此

对反卷积滤波器进行因果化是很必要的.进而

介绍了将这些反卷积滤波器因果化原理和方法

并给出了因果化的流程图.最后

对常用的反卷积滤波器的因果化进行了仿真研究

分别给出了这些反卷积滤波器困晨化前后的滤波效果.仿真结果表明

因果化的滤波器可改善反卷积的估值.

Abstract

A number of frequency domain deconvolution filters

which are applied successfully in modern tine domain measurement are introduced in this paper at first

and we illustrate that these deconvolution filters are noncausal totally.Obviously

the non-causal character of the filters will effect the estimation of deconvolution

so it is necessary to make the filters causality.And then

the theory and method to make these deconvolution filters causal are given

we get the flow charts also.Finally

the performance of general non-causal and causal deconvolution filters is investigated by computer simulation.The filtering results of them show that causal filter can refine deconvoltuion estimation.

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Related Institution

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