Synthesis Design of Bandpass Frequency-Selective Surface Based on Frequency-Dependent Coupling Structure

IF 4.5 1区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Microwave Theory and Techniques Pub Date : 2024-09-02 DOI:10.1109/TMTT.2024.3448298

Kai-Ran Xiang;Fu-Chang Chen;Quan Xue;Qing-Xin Chu

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Abstract

In this article, a frequency-dependent coupling (FDC) structure is proposed for the synthesis design of bandpass frequency-selective surface (FSS). The proposed FDC structure consists of two pairs of shorting pins and four loop slots, which can independently control the negative and positive coupling. The coupling characteristics and control of the FDC structure are analyzed in detail. This FDC structure can be used to design FSS with various topologies to realize different transmission zero distributions. In order to verify the effectiveness of the FDC structure, a second-order topology and a cascaded triplet (CT) topology are employed to design the FSSs with different transmission zero distributions, and a detailed procedure for the synthesis design of the FSS is given. Based on the CT topology, one FSS configured with two transmission zeros above the passband is fabricated and measured, which verifies the effectiveness of the proposed coupling structure in the synthesis design of the FSS.

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基于频率相关耦合结构的带通频率选择表面合成设计

本文提出了一种频率相关耦合（FDC）结构用于带通频率选择表面（FSS）的合成设计。所提出的FDC结构由两对短脚和四个环槽组成，可以独立控制负耦合和正耦合。详细分析了FDC结构的耦合特性和控制。该FDC结构可用于设计具有不同拓扑结构的FSS，以实现不同的传输零分布。为了验证FDC结构的有效性，采用二阶拓扑和级联三重态（CT）拓扑设计了具有不同传输零分布的FSS，并给出了FSS综合设计的详细步骤。基于CT拓扑，制作并测量了一个在通带以上具有两个传输零点的FSS，验证了该耦合结构在FSS综合设计中的有效性。

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来源期刊

IEEE Transactions on Microwave Theory and Techniques 工程技术-工程：电子与电气

CiteScore

8.60

自引率

18.60%

发文量

486

审稿时长

6 months

期刊介绍： The IEEE Transactions on Microwave Theory and Techniques focuses on that part of engineering and theory associated with microwave/millimeter-wave components, devices, circuits, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, and industrial, activities. Microwave theory and techniques relates to electromagnetic waves usually in the frequency region between a few MHz and a THz; other spectral regions and wave types are included within the scope of the Society whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.