A three-dimensional angle-optimized finite-difference time-domain algorithm

被引：32

作者：

Wang, SM ^{[1
]}

Teixeira, FL

机构：

[1] Ohio State Univ, Electrosci Lab, Columbus, OH 43212 USA

[2] Ohio State Univ, Dept Elect Engn, Columbus, OH 43212 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2003年 / 51卷 / 03期

关键词：

finite-difference time-domain (FDTD) method; numerical dispersion; optimization;

D O I：

10.1109/TMTT.2003.808615

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：

We present a three-dimensional finite-difference time-domain (FDTD) algorithm to minimize the numerical dispersion error at preassigned angles. Filtering schemes are used to further optimize its frequency response for broad-band simulations. A stability analysis of the resulting FDTD algorithm is also provided. Numerical results show that the dispersion error around any preassigned angle can be reduced significantly in a broad range of frequencies with small computational overhead.

引用

页码：811 / 817

页数：7

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