层状介质中有限物体电磁散射的有效空间谱积分方程方法

2016 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2016-09-19 DOI:10.1109/ICEAA.2016.7731441

R. Dilz, M. V. van Beurden

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引用次数: 2

摘要

我们提出了一种混合空间光谱方法，直接针对层状介质中的非周期有限散射体。利用Gabor框架对该问题进行离散化，可以得到一种简单、快速的傅里叶变换方法。通过将感应电流和格林函数表示成一条变形成复谱域的路径，可以避免谱域格林函数中的极点和分支。

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An efficient spatial spectral integral-equation method for EM scattering from finite objects in layered media

We propose a mixed spatial spectral method aimed directly at aperiodic, finite scatterers in a layered medium. By using a Gabor frame to discretize the problem a straightforward and fast way to Fourier transform is available. The poles and branchcuts in the spectral-domain Green function can be avoided by representing the induced currents and Green function on a path deformed into the complex spectral domain.

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2016 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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