Performance comparison of mean-level CFAR detectors in homogeneous and non-homogeneous Weibull clutter for MIMO radars

被引：10
|
作者：
Baadeche, M. [1 ]
Soltani, F. [1 ]
Gini, F. [2 ]
机构：
[1] Univ Constantine, Dept Elect, Lab Signaux & Syst Commun, Constantine 25000, Algeria
[2] Univ Pisa, Dept Ingn Informaz, Pisa, Italy
来源：
SIGNAL IMAGE AND VIDEO PROCESSING | 2019年 / 13卷 / 08期
关键词：
MIMO radar; Weibull clutter; CFAR detectors; Non-homogeneous clutter; FALSE ALARM RATE; BINARY INTEGRATION; ADAPTIVE DETECTION; ANGLE ESTIMATION; MOVING TARGET; OS-CFAR;
D O I：
10.1007/s11760-019-01502-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze and compare the performance of the CA-CFAR, GO-CFAR and the SO-CFAR detectors in homogeneous and non-homogeneous Weibull background with known shape parameter for Multi-Input Multi-Output radars with widely separated antennas. The non-homogeneity is represented by the presence of interfering targets and a clutter edge in the reference window. We derive closed-form expressions of the probability of false alarm of the three detectors in homogeneous environment. Detector performance in non-homogeneous environment is investigated by means of Monte Carlo simulations. The numerical results show that the best performance is obtained by the SO-CFAR in the case of a high number of interferences, whereas the GO-CFAR has the best false-alarm regulation when the number of cells contaminated by clutter exceeds half the number of reference cells.
引用
收藏
页码：1677 / 1684
页数：8
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