Airborne High Resolution Low Frequency SAR Motion Compensation and Residual Motion Estimation

被引：0
|
作者：
Michel, Thierry [1 ]
Hensley, Scott [1 ]
Madsen, Soren N. [1 ]
Neumann, Maxim [1 ]
机构：
[1] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA
来源：
10TH EUROPEAN CONFERENCE ON SYNTHETIC APERTURE RADAR (EUSAR 2014) | 2014年
关键词：
D O I：
暂无
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Processing high resolution, low frequency, airborne SAR data for interferometric applications poses significant challenges. Large azimuth beam-widths and platform instabilities require Motion Compensation (MC) varying broadly with wavelength and aspect angle. An MC algorithm consisting of a local, aperture dependent focus refinement applied after range migration, is used to evaluate the importance of exact Stationary Phase (SP) points in computing Doppler based focus corrections. The use of baselines derived from valid SP points in estimating and correcting residual motion error is also investigated.
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页数：2
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