基于删除平均和单元平均的CFAR检测器性能分析

›› 2012, Vol. 25 ›› Issue (2): 12-.

基于删除平均和单元平均的CFAR检测器性能分析

马健,吴岚,夏海宝,许蕴山

(空军工程大学工程学院,陕西西安 710038)

出版日期:2012-02-15 发布日期:2012-02-29
作者简介:马健(1972—),男,硕士,讲师。研究方向:雷达信号处理。

Performance Analysis of the CFAR Detector Based on Censored Mean and Cell Average

MA Jian, WU Lan, XIA Hai-Bao, XU Yun-Shan

(The Engineering Institute,Air Force Engineering University,Xi'an 710038,China)

Online:2012-02-15 Published:2012-02-29

摘要/Abstract

摘要：

基于删除平均(CM)和单元平均(CA),提出了一类恒虚警率(CFAR)检测器,其采用CM和CA产生局部估计,再对局部估计进行平均、选大、选小等逻辑运算实现对杂波功率的估计。分析了所提3种检测器的在均匀和非均匀背景下的检测性能。结果表明,在均匀背景和多目标环境下,对局部估计进行平均的检测器性能最优。

关键词: 删除平均, 单元平均, 恒虚警率

Abstract:

A new sort of constant false alarm rate (CFAR) detectors based on censored mean (CM) and cell average (CA) is proposed in this paper.They use the logic operation (the mean value,the greatest value or the smallest value) of CM and CA local estimations as a noise power estimation.Their detection performance is analyzed in a homogeneous background and in multiple interfering targets situations.The results show that the detection performance of the mean value of CM and CA detector is better.

Key words: censored mean;cell average;CFAR

中图分类号:

TN95

马健, 吴岚, 夏海宝, 许蕴山. 基于删除平均和单元平均的CFAR检测器性能分析[J]. , 2012, 25(2): 12-.

MA Jian, WU Lan, XIA Hai-Bao, XU Yun-Shan. Performance Analysis of the CFAR Detector Based on Censored Mean and Cell Average[J]. , 2012, 25(2): 12-.

[1]	陈彬,苏宇逍. 基于多处理器的可识别方位引信信号处理系统[J]. , 2013, 26(1): 77-.
[2]	马健, 许蕴山. 一种新的基于单元逼近的恒虚警率检测器[J]. , 2010, 23(3): 73-.