Fast Algorithm of Edge-Element for the High-Order Modes in Dielectric-Loaded Waveguides with Arbitrarily Transverse Cross-Sections

PENG Zhen; SHENG Xin-qing

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Fast Algorithm of Edge-Element for the High-Order Modes in Dielectric-Loaded Waveguides with Arbitrarily Transverse Cross-Sections

更新时间：2025-07-16

- Fast Algorithm of Edge-Element for the High-Order Modes in Dielectric-Loaded Waveguides with Arbitrarily Transverse Cross-Sections
- Acta Electronica Sinica Vol. 33, Issue 12, Pages: 2149-2152(2005)
- 作者机构：
  
  1. 中国科学院电子学研究所微波成像技术国家重点实验室,北京,100080
  2. 北京理工大学电子工程系,北京,100081
  3. 中国科学院研究生院,北京,100039
  4. 中国科学院电子学研究所微波成像技术国家重点实验室北京,100080
  5. 北京理工大学电子工程系北京,100081
  6. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： O441
- Published：2005
- 稿件说明：
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PENG Zhen, SHENG Xin-qing. Fast Algorithm of Edge-Element for the High-Order Modes in Dielectric-Loaded Waveguides with Arbitrarily Transverse Cross-Sections[J]. Acta Electronica Sinica, 2005, 33(12): 2149-2152.
DOI：

PENG Zhen, SHENG Xin-qing. Fast Algorithm of Edge-Element for the High-Order Modes in Dielectric-Loaded Waveguides with Arbitrarily Transverse Cross-Sections[J]. Acta Electronica Sinica, 2005, 33(12): 2149-2152. DOI：

摘要

本文提出了一种精确求解任意截面形状介质填充波导高次模的快速边缘元算法.数值实验表明:与以往算法相比

此算法所用内存巨幅减小

计算效率极大提高.具体数值研究了波导高次模求解精度和剖分疏密的关系.本文还计算了矩形空波导、条状介质填充波导、以及方块介质填充波导的本征模

与解析解或公布结果比较

证实本算法计算精度极高且不含伪解.最后本文还用开发的程序具体研究了内壁涂层波导的本征模.

Abstract

A fast algorithm of edge-element is presented for the computation of the high-order-modes in dielectric-loaded waveguides with arbitrarily transverse cross-sections.Numerical examples show that this algorithm requires greatly less memory and has significantly higher efficiency

compared with the previous algorithm.The relation between computation accuracy and division mesh is investigated numerically.The computations of propagation constants of the eigen-modes in rectangle waveguides and various dielectric-loaded waveguides demonstrate the high efficiency and accuracy of the proposed algorithm.At last

the eigen-modes in the interior-coated waveguide are investigated with the developed code based on our proposed algorithm.

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