Unconditionally Stable Associated Hermite FDTD With Plane Wave Incidence

被引：3

作者：

Huang, Zheng-Yu ^{[1
]}

Shi, Li-Hua ^{[1
]}

Si, Qing ^{[1
]}

Chen, Bin ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Natl Key Lab Electromagnet Environm Effects & Ele, Nanjing 210007, Jiangsu, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

关键词：

Associated Hermite functions; finite-difference time domain (FDTD); plane wave excitation; unconditionally stable; TIME-DOMAIN METHOD; FREQUENCY DOMAINS; EXTRAPOLATION; EXPANSIONS; SCHEME;

D O I：

10.1109/LAWP.2015.2482224

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 letter, we developed a plane wave excitation formulation for the unconditionally stable Associated Hermite (AH) finite-difference time-domain (FDTD) method. By using a plane wave injector, the volume electric and magnetic current densities in Maxwell's equations are expressed as an explicit form in AH domain to represent the incident field. An AH transformation matrix is designed to efficiently evaluate the expansion coefficients of the incidence plane wave at any point. Numerical example shows the results computed using the proposed formulation are in accordance with the solutions of the conventional FDTD method.

引用

页码：938 / 941

页数：4

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