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首页> 外文期刊>Optics Letters >Extended propagation-inside-layer expansion method combined with the forward-backward method to study the scattering from an object above a rough surface
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Extended propagation-inside-layer expansion method combined with the forward-backward method to study the scattering from an object above a rough surface

机译:扩展传播-层内扩展法结合前后法研究粗糙表面上方物体的散射

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摘要

In this Letter, a fast red rigorous numerical method, based on the method of moments, is developed to calculate the scattering from an object above a rough surface for three-dimensional problems (3D). G. Kubicke has recently developed the extended propagation-inside-layer expansion (E-PILE) method to calculate the scattering from an object above a rough surface for two-dimensional problems. This method allows us to calculate separately and exactly the interactions between the object and the rough surface. The purpose of this paper is to extend the E-PILE method to a 3D problem. In addition, to invert a matrix of large size, the forward-backward (FB) method is applied to calculate the local interactions on the rough surface.
机译:在这封信中,开发了一种基于矩量法的快速红色严格数值方法,用于计算三维问题(3D)中粗糙表面上方物体的散射。G. Kubicke 最近开发了扩展传播层内扩展 (E-PILE) 方法,用于计算二维问题中粗糙表面上方物体的散射。这种方法使我们能够单独准确地计算物体与粗糙表面之间的相互作用。本文的目的是将E-PILE方法扩展到3D问题。此外,为了反演大尺寸矩阵,采用前后(FB)方法计算粗糙表面上的局部相互作用。

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