DocumentCode
3327561
Title
A novel range migration algorithm of GEO SAR echo data
Author
Liu, Feifeng ; Hu, Cheng ; Zeng, Tao ; Long, Teng ; Jin, Lihua
Author_Institution
Dept. of EE, Beijing Inst. of Technol., Beijing, China
fYear
2010
fDate
25-30 July 2010
Firstpage
4656
Lastpage
4659
Abstract
The key problem of the imaging processing in geosynchronous earth orbit (GEO) SAR system is the space-variance of the Doppler parameters, which will result in the defocus of the SAR image with classical imaging algorithm. In this paper, a Modified Range Migration Algorithm (RMA) is proposed to overcome the space-variance of Doppler parameters by compensating the velocity change along the location of the target. Furthermore the simulation results fully verify the effectiveness of derived algorithm after velocity compensation.
Keywords
Earth orbit; echo; radar imaging; synthetic aperture radar; Doppler parameter; GEO SAR echo data; geosynchronous earth orbit SAR system; imaging processing; range migration algorithm; space variance; Azimuth; Doppler effect; Focusing; Orbits; Simulation; Trajectory; GEO SAR; Range migration algorithm; space-variance of the Doppler parameters;
fLanguage
English
Publisher
ieee
Conference_Titel
Geoscience and Remote Sensing Symposium (IGARSS), 2010 IEEE International
Conference_Location
Honolulu, HI
ISSN
2153-6996
Print_ISBN
978-1-4244-9565-8
Electronic_ISBN
2153-6996
Type
conf
DOI
10.1109/IGARSS.2010.5651127
Filename
5651127
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