粗糙表面下圆柱形物体与CWA的散射

2014 International Conference on Numerical Electromagnetic Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO) Pub Date : 2014-05-14 DOI:10.1109/NEMO.2014.6995704

M. A. Fiaz, C. Ponti, G. Schettini

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引用次数: 1

摘要

将圆柱波法应用于粗糙表面下的圆柱散射，并与一阶近似的小摄动法相结合。在理论方法中，处理具有任意轮廓的曲面。对于数值解，提出了两种可选的曲面实现:正弦曲面和高斯粗糙谱采样的周期曲面。该方法可应用于具有自然凹凸不平的真实环境中地物散射的模拟。

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On the scattering by a cylindrical object below a rough surface with the CWA

Cylindrical Wave Approach is applied to the scattering by a cylinder placed below a rough surface, and combined to Small Perturbation Method in the first-order approximation. In the theoretical approach, a surface with arbitrary profile is dealt with. As to the numerical solution, two alternative implementations of the surface are proposed: a sinusoidal profile and a periodic surface with samples from a Gaussian roughness spectrum. The developed method can be applied to the simulation of scattering by buried objects in a realistic environment with natural unevenesses.

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来源期刊

2014 International Conference on Numerical Electromagnetic Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO)

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