Finite difference analysis of infinite arrays of two-dimensional microstrip structures
作者:
J-P.R.Bayard,
D.H.Shaubert,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1990)
卷期:
Volume 137,
issue 6
页码: 358-366
年代: 1990
DOI:10.1049/ip-h-2.1990.0065
出版商: IEE
数据来源: IET
摘要:
Infinite arrays of two-dimensional printed elements are analysed using the finite difference method. Grid models accounting for dielectric discontinuities and current continuity at rectangular junctions are developed. The procedure is used to study the behaviour of three configurations of planar strips over dielectric substrates in an infinite array environment. These configurations include the ‘dipole’ element, the ‘microstrip’ element and the ‘microstrip’ element over an inhomogeneous substrate. For each configuration, calculated results are presented with special attention given to the correctness of antenna characteristics such as input impedance and scan performance. The results accurately predict antenna performance and comparison with published data confirms the method.
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