Generalized Closed-Form Expressions for CFAR Detection in Heterogeneous Environment

被引：23

作者：

Abbadi, Ali ^{[1
]}

Bouhedjeur, Hamza ^{[2
]}

Bellabas, Ahcene ^{[2
]}

Menni, Tarek ^{[2
]}

Soltani, Faouzi ^{[3
]}

机构：

[1] Ecole Militaire Polytech, Lab Radar & Microonde, Algiers 16046, Algeria

[2] Ecole Super Ali CHABATI, Algiers 16120, Algeria

[3] Univ Freres Mentouri Constantine I, Lab Signaux & Syst Commun, Constantine 25010, Algeria

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2018年 / 15卷 / 07期

关键词：

Adaptive thresholding; constant false alarm rate (CFAR); radar detection; second-order statistics; NONHOMOGENEOUS ENVIRONMENTS; DATA VARIABILITY; CLUTTER; SITUATIONS; TARGETS;

D O I：

10.1109/LGRS.2018.2822782

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The purpose of this letter is the derivation of generalized closed forms of the probability of detection (P-d) and the probability of false alarm (P-fa) governing the statistical detection of targets in heterogeneous environment. Simplified general expressions, which can be used to evaluate the performance of a family of constant false alarm rate (CFAR) detectors, are obtained. A performance analysis is performed, which compares the results of the derived expressions and those for cell averaging CFAR, order statistics CFAR, automatic censored mean level CFAR, and Anderson-Darling CFAR detection schemes under different signal-to-noise ratio and interfering targets scenarios. It is found that the derived expressions closely reflect the behavior of both detectors and model other potential detectors that are particularly more robust in the presence of severe interfering targets.

引用

页码：1011 / 1015

页数：5

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