Perfectly matched layer implementation using bilinear transform for microwave device applications

被引：25

作者：

Dong, XT ^{[1
]}

Yin, WY ^{[1
]}

Gan, YB ^{[1
]}

机构：

[1] Natl Univ Singapore, Temasek Labs, Singapore 119260, Singapore

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2005年 / 53卷 / 10期

关键词：

bilinear transform; finite difference time domain (FDTD); microwave devices; perfectly matched layer (PML); S-parameters;

D O I：

10.1109/TMTT.2005.855121

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：

This paper presents an extensive study on the perfectly matched layer (PML) implementation using bilinear transform in the finite-difference time-domain (FDTD) simulation. The bilinear transform is used to implement both the stretched coordinate PML (SC-PML) and the uniaxial PML (UPML) with the complex frequency-shifted (CFS) equations. It is shown that with the CFS factor, the implemented SC-PML and UPML attain significantly lower relative reflection error over wide frequency range with both superior in performance to the split-field PML. The FDTD algorithm incorporating these PMLs is applied to analyze wide-band responses of some complex microwave devices, including RF microelectromechanical systems switch and coplanar waveguide crossover junction.

引用

页码：3098 / 3105

页数：8

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