PhotonIcs and Electromagnetics Research Symposium,
also known as Progress In Electromagnetics Research Symposium
PIERS Proceedings
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Published by The Electromagnetics Academy
Published: 2015-07-09
A New Sidelobe Reduction Method for Circular SAR
By
Wenge Chang,
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    Wenge Chang

    National University of Defense Technology, China

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Gaowei Jia,
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    Gaowei Jia

    National University of Defense Technology, China

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Ruibin Tu
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    Ruibin Tu

    National University of Defense Technology, China

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Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2163-2167
Abstract
Circular synthetic aperture radar (CSAR) has become of particular interest to the SAR community. According to the isotropic targets, the spectrum of which is ring-shaped, therefore the corresponding point spread function (PSF) is related to Bessel Function, and the sidelobe level is higher. In this paper, a novel sidelobe reduction method based on the image processing is proposed. Simulation test proved that this method could express the sidelobe of CSAR from −8 dB to −16 dB without the expansion of mainlobe.
Citation
Wenge Chang, Gaowei Jia, and Ruibin Tu, "A New Sidelobe Reduction Method for Circular SAR," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2163-2167
References

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