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Omega-k Algorithm for Airborne Spatial Invariant Bistatic Spotlight SAR Imaging

Bistatic spotlight synthetic aperture radar (SAR) which uses a separated transmitter and receiver has been studied intensively due to its flexibility. To reconstruct the image for the bistatic SAR in the parallel track configuration, where the transmitter and the receiver have equal velocity, we mod...

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Published in:	IEEE transactions on geoscience and remote sensing 2009-01, Vol.47 (1), p.238-250
Main Authors:	SHIN, Hee-Sub, LIM, Jong-Tae
Format:	Article
Language:	English
Subjects:	Algorithms Applied geophysics Approximation Bistatic spotlight synthetic aperture radar (SAR) Earth sciences Earth, ocean, space Exact sciences and technology Flexibility Image analysis Image converters Image quality Image reconstruction Internal geophysics Mathematical analysis omega-k algorithm Radar polarimetry Radar tracking Radio transmitters Receivers Synthetic aperture radar Target tracking Time of arrival estimation Transmitters
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container_title	IEEE transactions on geoscience and remote sensing
container_volume	47
creator	SHIN, Hee-Sub LIM, Jong-Tae
description	Bistatic spotlight synthetic aperture radar (SAR) which uses a separated transmitter and receiver has been studied intensively due to its flexibility. To reconstruct the image for the bistatic SAR in the parallel track configuration, where the transmitter and the receiver have equal velocity, we modify the omega-k algorithm. Specifically, using the extended Taylor approximation (ETA), we convert the parallel track configuration into the single track configuration. Then, using the principle of the stationary phase, we propose an analytical method to increase the image quality of bistatic SAR systems.
doi_str_mv	10.1109/TGRS.2008.2002954
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source	IEEE Xplore (Online service)
subjects	Algorithms Applied geophysics Approximation Bistatic spotlight synthetic aperture radar (SAR) Earth sciences Earth, ocean, space Exact sciences and technology Flexibility Image analysis Image converters Image quality Image reconstruction Internal geophysics Mathematical analysis omega-k algorithm Radar polarimetry Radar tracking Radio transmitters Receivers Synthetic aperture radar Target tracking Time of arrival estimation Transmitters
title	Omega-k Algorithm for Airborne Spatial Invariant Bistatic Spotlight SAR Imaging
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