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Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes

Tiago dos Santos Bezerra et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2020

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Author / responsible party
Tiago dos Santos Bezerra et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
Year
2020
ISSN
2179-1074
ISSN
2179-1074
Language
English

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Abstract In this paper, the authors present a proposal for an application of electromagnetic bandgap (EBG), for suppression of grating lobes, in frequency selective surfaces (FSS), not yet studied in the literature. An alternative type of EBG with square holes was proposed to reduce the computational effort in simulations. The study consists of an application of a rectangular periodic array of cylindrical and square holes in FSS dielectric substrate to create rejection bands and suppress specific resonant frequency modes. We built four prototypes and compared measured results with simulated results obtained with ANSYS HFSS. Simulations and measurements show suppression levels up to 6 dB. A good agreement between the results is observed. The FSS with EBG with square holes allows a simulation time 70 % lower than FSS with EBG with cylindrical holes.

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APA 7

al, T. D. S. B. E. (2020). Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes. https://doi.org/10.1590/2179-10742020v19i4860

MLA

al, Tiago dos Santos Bezerra et. "Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes." 2020. https://doi.org/10.1590/2179-10742020v19i4860.

Chicago

al, Tiago dos Santos Bezerra et. 2020. "Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes.". https://doi.org/10.1590/2179-10742020v19i4860.

Harvard

al, T. D. S. B. E. 2020, Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes, Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, available at: https://doi.org/10.1590/2179-10742020v19i4860 [Accessed 9 Aug. 2026].

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Title
Grating Lobes Suppression in Frequency Selective Surfaces Using Electromagnetic Band Gap with Square Holes
Author / contributors
Tiago dos Santos Bezerra et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
Publication year
2020
ISSN
2179-1074
ISSN
2179-1074
Language
English

Subjects

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FSS; EBG; Suppression; Grating lobes
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