CFAR Detection for Multi-Class Clutter Distribution Based on Airborne Radar

WANG Shou-yong; LIU Jun-kai; WANG Yong-liang

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CFAR Detection for Multi-Class Clutter Distribution Based on Airborne Radar

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- CFAR Detection for Multi-Class Clutter Distribution Based on Airborne Radar
- Acta Electronica Sinica Vol. 33, Issue 3, Pages: 484-487(2005)
- 作者机构：
  
  1. 空军雷达学院军队重点实验室,湖北,武汉,430019
  2. 空军雷达学院研究生队
  3. 空军雷达学院军队重点实验室湖北武汉,430019
  4. 空军雷达学院研究生队
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957.51
- Published：2005
- 稿件说明：
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WANG Shou-yong, LIU Jun-kai, WANG Yong-liang. CFAR Detection for Multi-Class Clutter Distribution Based on Airborne Radar[J]. Acta Electronica Sinica, 2005, 33(3): 484-487.
DOI：

WANG Shou-yong, LIU Jun-kai, WANG Yong-liang. CFAR Detection for Multi-Class Clutter Distribution Based on Airborne Radar[J]. Acta Electronica Sinica, 2005, 33(3): 484-487. DOI：

摘要

本文提出了一种检验杂波分布类型的有效方法

该方法首先通过概率密度变换方法对被检验的杂波序列进行变换

再应用简单的正态分布检验方法检验变换后的序列

以此来检验原杂波序列的分布类型.针对常用的瑞利、韦布尔、对数正态杂波类型

与

和KS拟合检验方法进行了仿真比较

结果表明该方法检验精度高

计算简单

并且通用性强

克服了经典检验方法受区间划分影响大

对参数估计精度要求高

计算复杂的缺点.在杂波检验的基础上

根据OS-CFAR和log-t CFAR检测方法设计了适应于多杂波分布类型的CFAR处理器

对特定杂波类型CFAR检测器与背景杂波类型失配的各种情况的检测性能进行了仿真和分析.

Abstract

A sort of effective method to test clutter distribution category is put forward in this paper.First

a clutter observation sequence is transformed by probability density transform method

and then the distribution category of the original sequence is tested by testing whether the transformed sequence is normal distribution or not.For Rayleigh

Weibull and Log-normal distribution clutter

simulation results showed that the proposed method has higher test precision

less calculation burden and stronger universality compared with

and KS test method

and overcomes the above-mentioned test method's shortcomings that they are easily influenced by interval partition

parameter estimation and calculation complexity.Based on clutter test result

the CFAR detector for Multi-cl

ass clutter distribution is designed by using OS-CFAR and log-t CFAR detection methods.For the CFAR detectors of given clutter categories

when they don't match up to input clutter categories

CFAR detection performance is simulated and analyzed.

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