A GPS SIGNAL BASED NUMERIC RANGE MIGRATION ALGORITHM OF SPACE-SURFACE BISTATIC SAR

被引：0
|
作者：
Zhen, Jie [1 ]
Zhang, Zhenhua
Wu, Shunjun [1 ]
机构：
[1] Xidian Univ, Natl Lab Radar Signal Proc, Xian 710071, Peoples R China
来源：
2009 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-5 | 2009年
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Bistatic synthetic aperture radar (BSAR); space-surface bistatic SAR(SS-BSAR); range migration algorithm(RMA); global positioning system(GPS); SYNTHETIC-APERTURE RADAR; TRANSMITTER;
D O I：
10.1109/IGARSS.2009.5417996
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
In this paper, we present a new numeric bistatic range migration algorithm (RMA), specifically designed for GPS signal based space-surface bistatic SAR(SS-BSAR). It can be applied to any arbitrary trajectory BSAR imaging system. Based on the principle of stationary phase and the geometric relationship of the SS-BSAR, a two dimensional (2-D) precise analytic response expression of point targets in frequency domain is deduced first. Then a numeric RMA is proposed which match function and Interpolation function are derived numerically. The proposed RMA can process wide SAR scene at once and the shape distortion can be corrected at the same time Simulation results illustrate the validity of the proposed approach
引用
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页码：300 / +
页数：2
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