Micropatterns FSS Optimization Through Hybrid EBPSO Algorithm for C-Band Shielding Applications

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-06-06 DOI:10.1109/LAWP.2025.3577244

Tanveer Ahsan;Touhidul Alam;Mohammad Tariqul Islam

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Abstract

This letter presents a new concept of micropattern frequency selective surface (MFSS) for C-band electromagnetic interference shielding applications. The design consists of 64 microstructures, which are optimally arranged in an 8 × 8 array using a hybrid evolutionary binary particle swarm optimization (EBPSO) algorithm. Microstructures are comprehensively designed and optimized to achieve polarization-insensitive and high oblique incident angle stable characteristics with miniaturized structure. The equilibrium arrangement of the micropattern geometry of the proposed FSS provides a high selective stopband filtering response at 7.39 GHz with an S21< −10 dB stopband bandwidth percentage of 25.64%. The precipitable novelties of this letter are generating micropatterns FSS structure for high shielding effectiveness >70 dB and maintaining patterns symmetry for polarization insensitivity with the miniature structure of 0.18λ₀ × 0.18λ₀ × 0.036λ₀, where λ₀ corresponds to the lower operating frequency.

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基于混合EBPSO算法的c波段屏蔽微图FSS优化

本文提出了一种用于c波段电磁干扰屏蔽应用的微图频率选择表面（MFSS）的新概念。该设计由64个微结构组成，采用混合进化二元粒子群优化算法（EBPSO）优化排列成8 × 8的阵列。对微结构进行了全面的设计和优化，以实现微型化结构的极化不敏感和高斜入射角稳定特性。该FSS的微图几何结构的平衡排列提供了7.39 GHz高选择性阻带滤波响应，其S21<−10 dB阻带带宽百分比为25.64%。本文的可预测的创新点是产生高屏蔽效能bbb70 dB的微结构FSS结构和保持偏振不敏感的图案对称，微结构为0.18λ0 × 0.18λ0 × 0.036λ0，其中λ0对应较低的工作频率。

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.