Fast evaluation of lightning electromagnetic fields based on matrix pencil method in time domain

被引：4
|
作者：
Zhang, Yin [1 ]
Liao, Cheng [1 ]
Shang, Yuping [1 ]
机构：
[1] Southwest Jiaotong Univ, Inst Electromagnet, Chengdu 610031, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2021年 / 63卷 / 04期
基金：
中国国家自然科学基金;
关键词：
fast evaluation; lightning electromagnetic field; matrix pencil method; COORAY-RUBINSTEIN FORMULA; HORIZONTAL ELECTRIC-FIELD;
D O I：
10.1002/mop.32738
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：
The time domain expression of the lightning electromagnetic fields (LEMF) contains multiple integration processes, and the direct solution tends to take up a lot of calculation time. In this paper, the structure of the time domain expression of the LEMF is analyzed, the idea that using the matrix pencil method to realize the fast evaluation of the LEMF is proposed, and the feasibility of this method for calculating the LEMF is discussed. Besides, several numerical examples are given to prove the efficiency and correctness of the proposed method when the parameters of the observation point and ground are varied.
引用
收藏
页码：1029 / 1034
页数：6
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