Processing of azimuth-invariant bistatic SAR data using the range Doppler algorithm

被引：197
|
作者：
Neo, Yew Lam [1 ]
Wong, Frank H. [2 ]
Cumming, Ian G. [3 ]
机构：
[1] DSO Natl Labs, Singapore 118230, Singapore
[2] McDonald Dettwiler & Assoc, Richmond, BC V6V 2J3, Canada
[3] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada
来源：
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2008年 / 46卷 / 01期
关键词：
bistatic synthetic aperture radar (SAR) processing; range cell migration correction (RCMC); Range Doppler Algorithm (RDA); secondary range compression (SRC); series reversion;
D O I：
10.1109/TGRS.2007.909090
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
This paper discusses bistatic synthetic aperture radar processing (complex image formation) using the Range Doppler Algorithm. The key step is to use an analytical form of the signal spectrum derived by the method of series reversion. The spectrum is used for secondary range compression (SRC), range cell migration correction, and azimuth compression. The algorithm is able to focus the azimuth-invariant bistatic configuration where the transmitter and receiver platforms are moving in parallel tracks with identical velocities. Moreover, the algorithm is able to handle reasonably high squints and wide apertures because SRC can be performed in the 2-D frequency domain.
引用
收藏
页码：14 / 21
页数：8
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