MOVING TARGET DETECTION AND IMAGING FOR GEOSYNCHRONOUS SAR

被引：0
|
作者：
Tian, Haoyu [1 ]
Cao, Jianshu [1 ]
Zhang, Shunsheng [2 ]
Wang, Wen-Qin [1 ]
Ding, Huihui [2 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Chengdu, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Res Inst Elect Sci & Technol, Chengdu, Sichuan, Peoples R China
来源：
IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2018年
关键词：
Geosynchronous synthetic aperture radar (GEO SAR); displaced phase center antenna (DPCA); clutter elimination;
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：
Compared with stationary targets imaging, detection and imaging of moving targets becomes more difficult in Geosynchronous synthetic aperture radar (GEO SAR), especially when the moving target is drowned in strong ground clutter. In this paper, a scheme of moving target detection and imaging with three antennas is proposed for GEO SAR. Firstly, the displaced phase center antenna (DPCA) is used to eliminate stationary targets' echo. Then, the third-order keystone transform is applied to correct the range migration. Next, after coherent integration, the constant false alarm ratio (CFAR) is used to detect the moving target. Finally, simulation results demonstrate the effectiveness of the proposed scheme.
引用
收藏
页码：2833 / 2836
页数：4
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