Non-stationary Sea Clutter: Impact on Disturbance Covariance Matrix Estimate and Detector CFAR

被引：0

作者：

Greco, Maria ^{[1
,2
,4
]}

Gini, Fulvio ^{[1
,2
,4
]}

Younsi, Arezki ^{[2
,4
]}

Rangaswamy, Muralidhar ^{[3
]}

Zoubir, Abdelak ^{[2
,4
]}

机构：

[1] Univ Pisa, Via G Caruso 16, Pisa, Italy

[2] Ecole Polutechnique, Algiers, Algeria

[3] Air Force Res Lab SNHE, Bedford, MA 01731 USA

[4] Tech Univ Darmstadt, Signal Proc Grp, Darmstadt, Germany

来源：

2008 INTERNATIONAL CONFERENCE ON RADAR, VOLS 1 AND 2 | 2008年

关键词：

D O I：

暂无

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 present an analysis of sea clutter nonstationarity with respect to clutter covariance matrix estimation and its impact on the constant false alarm rate (CFAR) property of the normalized adaptive matched filter (NAMF). Three estimators have been considered in the analysis, the sample covariance matrix (SCM), the normalized sample covariance matrix (NSCM), and the fixed point (PE) estimators. The impact of non-stationarity, that emerges in the statistical analysis of the clutter data, Is measured In terms of differences between NAMF nominal probability of false alarm (P-FA) and probability of detection (P-D) and quantified by processing measured clutter data recorded by the X-band IPIX radar.

引用

页码：219 / +

页数：2

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