Computations of electromagnetic fields radiated from complex lightning channels

被引：11
|
作者：
Song, T.-X. [1 ]
Liu, Y.-H. [1 ]
Xiong, J.-M. [1 ]
机构：
[1] Hubei Univ Technol, Sch Mech Engn, Wuhan 430068, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2007年 / 73卷
关键词：
D O I：
10.2528/PIER07032501
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, three methods for calculating electromagnetic fields radiated from complex lightning channels are discussed, which includes channel obliqueness, branches and tortuosity. By rotating and moving the coordinate system of the vertical channel, differential expressions of electromagnetic fields from the irregular channel can be derived from the conclusions of the straight and vertical channel. Through analyzing calculation results of two examples reveals that channel tortuosity and branch is to introduce the higher frequency content above 100 kHz into lightning electromagnetic fields.
引用
收藏
页码：93 / 105
页数：13
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