Research Papers

Outer circular synthetic apeture radar imaging based on Maxwell’s equations

[+] Author Affiliations
Bing Sun

Beihang University, School of Electronic and Information, Beijing 100191, China

Zhijun Qiao

The University of Texas-Pan American, Department of Mathematics, Edinburg, Texas 78539-2999

Jie Chen

Beihang University, School of Electronic and Information, Beijing 100191, China

J. Appl. Remote Sens. 6(1), 063547 (Jun 27, 2012). doi:10.1117/1.JRS.6.063547
History: Received January 12, 2012; Revised April 10, 2012; Accepted May 22, 2012
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Abstract.  A general synthetic aperture radar (SAR) signal model based on the Maxwell’s equations is derived, and three approximations are discussed for engineering applications. Based on this signal model, a novel operation of SAR, called outer circular synthetic aperture radar (Outer-CSAR), is investigated for wide observation. The Outer-CSAR works similarly to the general circular SAR, but the beam of the SAR antenna points at the outer of the circle instead of the inner. The signal model and imaging algorithm are presented for the Outer-CSAR, and furthermore, simulation is given to validate the signal model and imaging algorithm.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Bing Sun ; Zhijun Qiao and Jie Chen
"Outer circular synthetic apeture radar imaging based on Maxwell’s equations", J. Appl. Remote Sens. 6(1), 063547 (Jun 27, 2012). ; http://dx.doi.org/10.1117/1.JRS.6.063547


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