Computer Simulation for Linear Frequency-Modulation Signal Digital Matched-Filter of Nonsingle Point Targets

Su Yan-guang; Shi Xing-rong

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Computer Simulation for Linear Frequency-Modulation Signal Digital Matched-Filter of Nonsingle Point Targets

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- Computer Simulation for Linear Frequency-Modulation Signal Digital Matched-Filter of Nonsingle Point Targets
- Acta Electronica Sinica Issue 1, Pages: 17-24(1988)
- 作者机构：
  
  1. 中国科学技术大学
  2. 中国科学技术大学合肥
- 作者简介：
- 基金信息：
- DOI：
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- Published：1988
- 稿件说明：
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[1]粟严光,史杏荣.非点目标线性调频信号数字匹配滤波运算的计算机模拟[J].电子学报,1988(01):17-24.

Su Yan-guang, Shi Xing-rong. Computer Simulation for Linear Frequency-Modulation Signal Digital Matched-Filter of Nonsingle Point Targets[J]. Acta Electronica Sinica, 1988, (1): 17-24.
[1]粟严光,史杏荣.非点目标线性调频信号数字匹配滤波运算的计算机模拟[J].电子学报,1988(01):17-24. DOI：

Su Yan-guang, Shi Xing-rong. Computer Simulation for Linear Frequency-Modulation Signal Digital Matched-Filter of Nonsingle Point Targets[J]. Acta Electronica Sinica, 1988, (1): 17-24. DOI：

摘要

研究了非点目标线性调频信号数字匹配滤波运算的结果

指出了它就是点目标结果的延时相加

比较了矩形窗和海明窗加权特性

引入了点展生函数的概念

说明了点展生函数的影响将使匹配滤波器输出不能正确反映目标的反射系数

提出了用以反映目标真实特性的后处理算法。

Abstract

A single point target has been dealt with for earlier radars. As the target high-resolution is required for today’ radars

the target can be regarded as a set of sequentia points rather than single point in some applications. In this paper the linear FM sig- nal digital matched filter for nonsingle point target is investigated and its results of rectangular window weighting are compared with that of Hamming window weighting. It shows

due to the effect of point-spread function that the output of the matched-filter could not express the target reflected coefficients correctly. A post-processing algorithm to correct this effect and its simulation results are given.

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