STATISTICAL ANALYSIS OF MONOPULSE-SAR FOR CFAR DETECTION OF GROUND MOVING TARGETS

被引：2
作者：
Wu, Di [1 ]
Kong, Yingying [1 ]
Zhu, Daiyin [1 ]
Shen, Mingwei
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Key Lab Radar Imaging & Microwave Photon, Minist Educ, Nanjing 210016, Jiangsu, Peoples R China
来源：
2014 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2014年
关键词：
SAR; GMTI; Monopulse; CFAR; RADAR;
D O I：
10.1109/IGARSS.2014.6946495
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：
An efficient approach to achieve ground moving target indication (GMTI) for synthetic aperture radar (SAR) is to use the Monopulse-SAR system. This paper examines the statistics of monopulse ratio (MR) for SAR/GMTI model when complex Gaussian clutter-plus-noise is considered. The probability density function (pdf) of MR is analyzed in detail. Especially, the conditional likelihood function of MR under the null hypothesis is given in a closed-form defined by special functions. An automatic constant false-alarm rate (CFAR) detector for moving targets is provided and extended to a multi-MRD form to further improve the final detection performance. Experimental results are presented to examine the detection performance and validate the theoretical analysis.
引用
收藏
页码：604 / 607
页数：4
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