Effect Analysis and Velocity Estimation of Moving Target Based on MIMO SAR System

被引：0
作者：
Zhou, Wei [1 ]
Kang, Houqiang [1 ]
Wang, Jiantao [1 ]
Li, Xiang [1 ]
机构：
[1] Natl Univ Def Technol, Sch Elect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
PROCEEDINGS OF 2012 IEEE 11TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING (ICSP) VOLS 1-3 | 2012年
关键词：
Multi-Input Multi-Output (MIMO) radar; Synthetic Aperture Radar (SAR); ground moving target indication(GMTI); delay-and-sum (DAS); RADAR;
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, the effect of ground moving target in synthetic aperture radar (SAR) images based on MIMO (Multi Input Multi Output) configuration are investigated, and the delay-and-sum (DAS) approach is used for velocity estimation. Our paper has three main contributions. First, we present a detailed signal model of moving target based on MIMO SAR system with colocated antennas, and the properties of ground moving target in the scene are analyzed. Secondly, we provide an efficient algorithm to combine the multiple virtual channel data to enhance the image quantity. Finally, we extend the DAS approach to estimate the velocity of moving targets in the scene. Several simulated experiments are executed to illustrate the derivation and analysis at the end of the paper.
引用
收藏
页码：1751 / 1755
页数：5
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