随机粗糙表面上目标的反向散射

2010 International Conference on Broadband, Wireless Computing, Communication and Applications Pub Date : 2010-11-04 DOI:10.1109/BWCCA.2010.133

K. Uchida, J. Honda, S. Nakashima, Kwang-Yeol Yoon

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引用次数: 1

摘要

本文研究了在沙漠、丘陵、海面等随机粗糙表面上运动的目标对电磁波的后向散射的分析。首先介绍了用于后向散射场分析的离散射线追踪法。其次，研究了随机粗糙表面后向散射引起的杂波对目标雷达截面的影响。最后给出了具有任意高度偏差和相关长度的高斯型随机粗糙表面上目标后向散射的数值算例。结果表明，后向散射以杂波为主，主要是由随机粗糙表面反射引起的衍射引起的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Back Scattering from Target above Random Rough Surface

This paper is concerned with an analysis of the back scattering of an electromagnetic wave by a target moving along just above a random rough surface such as desert, hilly terrain, sea surface and so on. First we introduce the discrete ray tracing method (DRTM) for the field analysis of back scattering. Second we investigate the effect of clutter due to back scattering from the random rough surface on the radar cross section (RCS) of the target. Finally we show some numerical examples for back scattering from a target above a Gaussian type of random rough surface with arbitrary height deviation and correlation length. It is demonstrated that the clutter is predominant in the back scattering and it is mainly caused by the diffraction related to reflection from the random rough surface.

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2010 International Conference on Broadband, Wireless Computing, Communication and Applications

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