科研之友
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摘要
This article introduces analytical formulas to obtain frequency response for a periodic array of hexagon metallic patches and strip cells. The validity of analytic expressions obtained from analysis is verified using full-wave simulations. The formulas are then employed for designing a first-order bandpass frequency selective surface. The proposed frequency selective surface is composed of a periodic array of metallic patches separated by thin air gaps backed by a wire mesh having the same periodicity. The array of metallic patches and the wire mesh constitute a capacitive surface and a coupled inductive surface, respectively, which together act as a resonant structure in the path of an incident plane wave. The frequency response of the proposed frequency selective surface is obtained for various angles of incidence. Moreover, principles of operation, detailed synthesis procedure, and designing guideline for this type of frequency selective surface are presented and discussed in this article.
- 出版日期2015-1-2
