A single-layer band-stop frequency selective surface with wide angular stability property
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES(2024)
摘要
In this paper, a single-layer band-stop frequency selective surface (FSS) by combination of Mike Kastle unit and square ring unit is proposed to achieve wide angular stable shielding. Owing to the rotational symmetry of the structure, the designed FSS is insensitive to polarization. By the combination design, the wide angular stability can be achieved as the incident angle increases from 0 degrees to 85 degrees, with only a maximum frequency deviation of 0.012 GHz. Meanwhile, the mechanism of the proposed FSS is investigated by the parametric analysis of equivalent circuit model. The prototype was manufactured and measured to verify the design and simulation analysis, and the measurement results were in good agreement with the simulation results.
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关键词
angular stability,frequency selective surface (FSS),miniaturization,polarization insensitivity
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