DocumentCode :
2598484
Title :
Extension of range migration algorithm for airborne spotlight SAR with velocity variation
Author :
Shin, Hee Sub ; Jeon, Jae Han ; Lee, Ho Jin ; Lim, Jong Tae
Author_Institution :
KAIST, Daejeon
fYear :
2007
fDate :
5-9 Nov. 2007
Firstpage :
360
Lastpage :
363
Abstract :
To obtain the SAR images with high quality and the fast processing time in the airborne spotlight SAR with velocity variation, we propose a modified range migration algorithm (RAM) with resampling based on the extended Taylor approximation and the fast interpolation process. First, at the mixing stage of the reference signal and the raw data, we resample the azimuth position. Then, at the Stolt interpolation stage, we modify the original interpolation method. Finally, we test the effectiveness of the proposed method using a pulsed spotlight SAR simulator.
Keywords :
airborne radar; interpolation; radar imaging; synthetic aperture radar; velocity measurement; SAR images; Stolt interpolation stage; Taylor approximation; airborne spotlight SAR; azimuth position; interpolation process; modified range migration algorithm; pulsed spotlight SAR simulator; reference signal; velocity variation; Aircraft; Approximation algorithms; Azimuth; Chirp; Frequency domain analysis; Image resolution; Interpolation; Layout; Synthetic aperture radar; Testing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Synthetic Aperture Radar, 2007. APSAR 2007. 1st Asian and Pacific Conference on
Conference_Location :
Huangshan
Print_ISBN :
978-1-4244-1188-7
Electronic_ISBN :
978-1-4244-1188-7
Type :
conf
DOI :
10.1109/APSAR.2007.4418626
Filename :
4418626
Link To Document :
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