Analysis of multiple scattering from two-dimensional dielectric sea surface with iterative Kirchhoff approximation |
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Authors: | Luo Wei Zhang Min Zhou Ping Yin Hong-Cheng |
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Affiliation: | School of Science, Xidian University, Xi'an 710071, China; National Electromagnetic Scattering Laboratory, Beijing 100854, China |
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Abstract: | An iterative method in the Kirchhoff approximation is proposed for high frequency multiple electromagnetic scattering from two-dimensional dielectric sea surface. The multiple interaction of the scattering field is characterized with the corrected electromagnetic currents of the wind-driven sea surface. The actual surface currents are approximated with the iterative solution of the corrected currents. A newly developed sea spectrum, Elfouhaily spectrum, is utilized to build the sea surface model. The shadowing correction is improved by the Depth–Buffer algorithm. The validity of the iterative Kirchhoff approximation is verified by the agreement of backscattering coefficients with the measured data. |
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Keywords: | sea surface multiple scattering iterative methods shadowing correction |
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