Estimation of the characteristic impedance of a transmission line by variational methods
作者:
T.D.Tsiboukis,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1985)
卷期:
Volume 132,
issue 3
页码: 171-175
年代: 1985
DOI:10.1049/ip-h-2.1985.0032
出版商: IEE
数据来源: IET
摘要:
A large number of field problems cannot be solved exactly. Instead, an approximate solution is obtained by computation. The object of the paper is to draw attention to a method which gives an upper and a lower bound for the exact solution. The method, based on the fact that the basic equations of electromagnetism can be derived from a variational principle, is applicable to a variety of problems having a rather complicated geometry. The effectiveness of the method is illustrated by two characteristic examples.
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