Analysis of cylindrical waveguide discontinuities using vectorial eigenmodes and perfectly matched layers

被引：78

作者：

Bienstman, P ^{[1
]}

Derudder, H ^{[1
]}

Baets, R ^{[1
]}

Olyslager, F ^{[1
]}

De Zutter, D ^{[1
]}

机构：

[1] State Univ Ghent, Dept Informat Technol, Interuniv Microelect Ctr, B-9000 Ghent, Belgium

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2001年 / 49卷 / 02期

关键词：

absorbing boundary conditions; mode matching; perfectly matched layers; scattering;

D O I：

10.1109/22.903096

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we analyze the scattering at discontinuities in cylindrical waveguides, starting from a vectorial eigenmode expansion and by introducing perfectly matched layer (PML) boundary conditions, The structure under study is enclosed in a metal cylinder to discretize the radiative mode spectrum, while the coating of this cylinder with PML vastly reduces the influence of parasitic reflections at the metal. This allows for a model that is both faster and more accurate than previous models.

引用

页码：349 / 354

页数：6

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