WKB method for analysing the electromagnetic field in a circular waveguide with linearly moving boundary

被引：1
|
作者：
Gaffour, L
机构：
[1] G.R.T.R. Ecole Nationale, Superieure de Physique de Strasbourg
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 1996年 / 10卷 / 06期
关键词：
D O I：
10.1163/156939396X00766
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 analytical study of the electromagnetic field in a circular waveguide with linearly moving boundary has been made in [1]. In this paper, we analyse the case where the argument of the LEGENDRE's associate functions is superior to 1. The W.K.B. method is used for solving this problem. The expressions of field have been determined. It is shown that the field has a modal nature and the modes are dynamics, each having an instantaneous frequency. Also a criterium of precision is given.
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页码：757 / 764
页数：8
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