A Directly Implemented Method and Evaluation for the Higher Order Higdon Absorbing Boundary Condition

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A Directly Implemented Method and Evaluation for the Higher Order Higdon Absorbing Boundary Condition

更新时间：2025-12-08

- A Directly Implemented Method and Evaluation for the Higher Order Higdon Absorbing Boundary Condition
- Acta Electronica Sinica Issue 5, (1997)
- 作者机构：
  
  西北工业大学电子工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN011
- Published：1997
- 稿件说明：
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[1]任济时.高阶Higdon吸收边界条件的直接算法及其评估[J].电子学报,1997(05):110-112.

任济时. A Directly Implemented Method and Evaluation for the Higher Order Higdon Absorbing Boundary Condition[J]. Acta Electronica Sinica, 1997, (5).
[1]任济时.高阶Higdon吸收边界条件的直接算法及其评估[J].电子学报,1997(05):110-112. DOI：

任济时. A Directly Implemented Method and Evaluation for the Higher Order Higdon Absorbing Boundary Condition[J]. Acta Electronica Sinica, 1997, (5). DOI：

摘要

本文对高阶Ｈｉｇｄｏｎ吸收边界条件的直接实现方法进行了研究．给出了高阶吸收边界条件差分形式系数的具体计算方法和有关参量的选择方法，并对采用这些系数的Ｈｉｇｄｏｎ吸收边界条件进行了时域有限差分（ＦＤＴＤ）数值检验与Ｍｕｒ边界条件进行了比较．结果表明，适当选择有关参量，高阶Ｈｉｇｄｏｎ吸收边界条件在垂直入射和非垂直入射时的计算精度都明显高于Ｍｕｒ边界条件．

Abstract

A method for the implementation of Higdon absorbing boundary condition（ABC）

which processes the higher order operator directly with the help of computer

is proposed in thispaper. The examination results of FDTD for the comparison between the method and the Mur’sABC are also given. It is shown that the method presented has an advantage of obvious higher accuracy for both normal and arbitrary incidence by selecting appropriate parameters.

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