Design of Angle-Selective Surface With Narrow-Angle Filtering for Variable Frequency

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-02-12 DOI:10.1109/LAWP.2025.3540930

Yi Li;Yan Ma;Peng Ren;Baoyi Xu;Ruize Xu;Zheng Xiang

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引用次数: 0

Abstract

This letter proposes a design of angle-selective surface (ASS) with narrow-angle filtering for variable frequency. The proposed ASS structure is based on a dual-layer frequency-selective surface, where the unit cell comprises a single substrate and two metallic layers. This configuration enables resonant transmission at specific oblique angles while effectively blocking electromagnetic waves at other angles. Furthermore, an equivalent circuit model is employed to analyze the proposed structure, revealing the influence of oblique incidence on circuit parameters. The designed ASS demonstrates excellent transmission performance (

${S_{21}} \geq -1 \text{ dB}$

) within the angular ranges of 18

$^{\circ }$

to 22

$^{\circ }$

at 14.6 GHz and 28

$^{\circ }$

to 31

$^{\circ }$

at 14.05 GHz. To verify the effectiveness of the proposed design, a prototype was fabricated and measured, with the measured results exhibiting great consistency with the simulation results.

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变频窄角滤波选角面设计

本文提出了一种带窄角滤波的角度选择面（ASS）的设计方法。所提出的ASS结构基于双层频率选择表面，其中单元电池包括单个衬底和两个金属层。这种结构使共振传输在特定的斜角，而有效地阻挡电磁波在其他角度。此外，采用等效电路模型对该结构进行了分析，揭示了斜入射对电路参数的影响。在14.6 GHz时，在18 $^{\circ }$ ～ 22 $^{\circ }$角范围内，在14.05 GHz时，在28 $^{\circ }$ ～ 31 $^{\circ }$角范围内，所设计的ASS具有优异的传输性能（${S_{21}} \geq -1 \text{ dB}$）。为了验证所提设计的有效性，制作了样机并进行了测量，测量结果与仿真结果有较好的一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.