ANALYSIS OF TRANSIENT ELECTROMAGNETIC SCATTERING USING TIME DOMAIN FAST DIPOLE METHOD

被引：10
|
作者：
Ding, Ji [1 ]
Gu, Changqing [1 ]
Li, Zhuo [1 ]
Niu, Zhenyi [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210016, Jiangsu, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2013年 / 136卷
基金：
中国国家自然科学基金;
关键词：
TDIE-TDPO METHOD; SURFACES;
D O I：
10.2528/PIER12121104
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, a new time domain fast dipole method (TD-FDM) is proposed for solving time-domain magnetic field integral equations. The proposed scheme is the extension of the frequency domain fast dipole method (FDM) to the time domain. The principle is based on the Taylor series expansion of far fields. The computational complexity of TD-FDM scales as O((NsNt)-N-3/2) as opposed to O((NsNt)-N-2) for marching-on in-time (MOT) method. Here, N-s is the number of spatial basis functions and N-t is the number of the time steps. Numerical results about the electromagnetic scattering from perfect electric conductor (PEC) objects are given to demonstrate the validity and efficiency of the proposed scheme.
引用
收藏
页码：543 / 559
页数：17
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