The Analysis of the Electromagnetic Characteristics of Planar Periodic Structures Using FDTD Method

LIU Ying; MAO Jun-jie; YAO De-miao

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The Analysis of the Electromagnetic Characteristics of Planar Periodic Structures Using FDTD Method

更新时间：2025-07-16

- The Analysis of the Electromagnetic Characteristics of Planar Periodic Structures Using FDTD Method
- Acta Electronica Sinica Vol. 28, Issue 9, Pages: 99-101(2000)
- 作者机构：
  
  国防科技大学电子科学与工程学院电子科学与技术系,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM15
- Published：2000
- 稿件说明：
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LIU Ying, MAO Jun-jie, YAO De-miao. The Analysis of the Electromagnetic Characteristics of Planar Periodic Structures Using FDTD Method[J]. Acta Electronica Sinica, 2000, 28(9): 99-101.
DOI：

LIU Ying, MAO Jun-jie, YAO De-miao. The Analysis of the Electromagnetic Characteristics of Planar Periodic Structures Using FDTD Method[J]. Acta Electronica Sinica, 2000, 28(9): 99-101. DOI：

摘要

本文阐述了如何用时域有限差分法分析平面周期结构的电磁特性.FDTD方法与周期性边界条件、吸收边界条件结合

构成分析各种周期性结构电磁特性准确、有效的通用工具.但为了在时域表示宽带信号的周期性边界条件

必须引入辅助场量并加以适当变形才可建立时域迭代式.文中以平面双周期频率选择表面为例

给出了计算思路和结果.

Abstract

In this paper

it is presented how to use FDTD to analyze the electromagnetic characteristic of the planar periodic structures. The FDTD combined with periodic boundary condition (PBC) and absorber boundary condition (ABC) becomes the accurate and efficient tool for various periodic structures. In order to develop a wide band PBC and correct iteration in time domain

a set of auxiliary elements are introduced and some modification are performed. Finally some examples based on a doubly periodic infinite planar frequency selected surface (FFS) are presented.

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