A simple-to-use replacement model for isotropic electromagnetic bandgap surfaces such as mushroom surfaces is investigated. Properties of electromagnetic bandgap surfaces strongly depend on the incidence angle of the incoming plane wave. The suggested model takes this behavior into account and actually represents the ideal electromagnetic bandgap surface. The model is based on uniaxial representation of a thin DB layer backed by a PMC plate. We investigate how this model behaves in comparison with a realistic mushroom surface, and when it can be applied. The results show that the proposed model can be used for both far field calculations and antenna coupling evaluation.
Simple Boundary Condition for Canonical EBG surface: PMC-backed Uniaxial Medium / Bosiljevac, M.; Sipus, Z.; Kildal, P.S.; Freni, A.. - In: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION. - ISSN 0018-926X. - STAMPA. - 64:(2016), pp. 785-790. [10.1109/TAP.2015.2506721]
Simple Boundary Condition for Canonical EBG surface: PMC-backed Uniaxial Medium
FRENI, ANGELO
2016
Abstract
A simple-to-use replacement model for isotropic electromagnetic bandgap surfaces such as mushroom surfaces is investigated. Properties of electromagnetic bandgap surfaces strongly depend on the incidence angle of the incoming plane wave. The suggested model takes this behavior into account and actually represents the ideal electromagnetic bandgap surface. The model is based on uniaxial representation of a thin DB layer backed by a PMC plate. We investigate how this model behaves in comparison with a realistic mushroom surface, and when it can be applied. The results show that the proposed model can be used for both far field calculations and antenna coupling evaluation.
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