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Characteristic Estimation of Artificial Magnetic Conductors

Abstract This article proposes a model for estimating the phase of reflection coefficient and the resonant frequency of artificial magnetic conductor structures, which are composed of an array of frequency selective surface elements at the interface of a grounded dielectric slab. This model is based on the microstrip coupled-line theory and the effective surface impedance model. The reflection phase and resonant frequency resulting from the proposed model are thoroughly verified by full-wave simulations and measurements, and they are also compared with available data in the open literature resulting from different methods.