Range-Dependent Clutter Suppression for Airborne Sidelooking Radar using MIMO Technique

被引：21

作者：

Wu, Jianxin ^{[1
]}

Wang, Tong ^{[1
]}

Zhang, Lifeng ^{[1
]}

Bao, Zheng ^{[1
]}

机构：

[1] Xidian Univ, Natl Lab Radar Signal Proc, Xian 710071, Peoples R China

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2012年 / 48卷 / 04期

关键词：

INVERSE COVARIANCE-MATRIX; BISTATIC STAP; PREDICTION;

D O I：

10.1109/TAES.2012.6324751

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Range-dependent clutter suppression is an important issue in airborne bistatic radar moving target detection. Range-dependent clutter suppression using the multiple-input multiple-output (MIMO) technique is investigated. By employing the MIMO technique, the clutter ridges of all range bins are located in the same plane of the three-dimensional (3D) space. Moreover as long as the sum of the target radial velocities relative to the transmitter and the receiver is unequal to zero, the target will not be located in this plane. Thus clutter suppression can be realized by a 3D linear constrained minimum variance (LCMV) filter. In high clutter-to-noise (CNR) cases, the presented technique yields better performance than the conventional bistatic sidelooking phased-array radar. Numerical examples are given to demonstrate the effectiveness of the presented technique.

引用

页码：3647 / 3654

页数：8

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