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Transform Method for Dielectric Periodic Interface Scattering

机译：介电周期界面散射的变换方法

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摘要

An extended transform method is developed for calculating the 2-D scattering problem from dielectric periodic interfaces. The method transforms the problem into scattering from two imaginary planes, one of which cuts across the maximum points and another across the minimum points of the periodic interface. The fields just above and below the periodic interface are expanded into Taylor series with respect to the two planes respectively. Then by satisfying boundary condition, the unknown coefficients can be determined. Comparing with T-Matrix and MoM, proposed method is simpler in formulation and less in computational time. Near scattered field distributions above and in the trough region of the periodic interface are calculated by proposed method. The results are in good agreements with those of T-Matrix and MoM respectively.
机译：开发了一种扩展的变换方法，用于从介电周期界面计算二维散射问题。该方法将问题转换为来自两个虚构平面的散射，其中一个虚构跨越周期界面的最大点，另一个虚构跨越周期界面的最小点。相对于两个平面，周期界面上方和下方的场分别扩展为泰勒级数。然后，通过满足边界条件，可以确定未知系数。与T-Matrix和MoM相比，该方法在配方上更简单，计算时间更短。通过所提出的方法，计算出周期界面上方和波谷区附近的近场分布。结果分别与T-Matrix和MoM一致。

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  • 作者

    L. Li; T. L. Dong; P. Chen; B. Y. Chen; Q. Huang; L. Lang; Q. X. Li;

  • 作者单位

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

    Department of Electronics and Information Huazhong University of Science and Technology, Wuhan, 430074, P. R. China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    electromagnetic scattering; periodic surface; transform method;

    机译：电磁散射周期性表面转换方法;

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