Equivalent-circuit models for frequency-selective surfaces at oblique angles of incidence
作者:
C.K.Lee,
R.J.Langley,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1985)
卷期:
Volume 132,
issue 6
页码: 395-399
年代: 1985
DOI:10.1049/ip-h-2.1985.0070
出版商: IEE
数据来源: IET
摘要:
The equivalent-circuit-modelling technique is useful for designing printed frequency-selective surfaces. A correction term is derived which enables transmission responses to be modelled at oblique angles of incidence. Models derived for arrays of gridded-square and double-square elements are compared with experimental results for plane waves at normal incidence and at oblique angles for TE- and TM-incidence. Good agreement is obtained for angles of incidence up to 45° in the principle planes. The importance of using the immittance correction terms in the models is also discussed.
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