基于复合去耦结构的新型高隔离度双极化空气贴片天线

IF 1 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Microwave and Optical Technology Letters Pub Date : 2024-09-25 DOI:10.1002/mop.34335
Fuwang Li, Yi-Feng Cheng, Kuiwen Xu, Gaofeng Wang
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引用次数: 0

摘要

本文介绍了一种具有增强端口隔离功能的新型宽带双极化空气贴片天线。所提出的设计由一个悬浮金属贴片、两个馈电槽和新型复合去耦结构(CDS)组成。CDS 由两个无功负荷(RL)、一个附加方槽(ASS)和两条中和线(NL)组成。无功负荷和一条 NL 连接到馈电槽。另一条 NL 与 ASS 相连。CDS 在实现宽带高端口隔离方面起着至关重要的作用。通过使用电路模型和严格的数学推导说明了去耦原理。对所提出的天线(Ant 1-5)的设计演变进行了细致的解释。实验结果表明,拟议的天线具有 -15 dB 的反射系数带宽,覆盖 3.32-3.67 GHz 的频率范围。此外,它还具有高端口隔离度(35 dB)、低交叉极化、高增益和出色的总效率(85%)。
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A novel high-isolation dual-polarized air-patch antenna based on composite decoupling structure

This paper presents a novel wideband dual-polarized air-patch antenna with enhanced port isolation. The proposed design consists of a suspended metal patch, two feeding slots, and novel composite decoupling structures (CDS). The CDS is composed of two reactive loads (RLs), an additional square slot (ASS), and two neutralizing lines (NLs). The reactive loads and one NL are connected to the feeding slots. The other NL is connected to the ASS. The CDS plays a critical role in achieving wideband high port isolation. The decoupling principles are illustrated by using a circuit model and through rigorous mathematical derivation. Design evolution of the proposed antenna (Ant 1–5) was carefully explained. Experimental results demonstrate that the proposed antenna has a −15 dB refection coefficient bandwidth covering the frequency range of 3.32–3.67 GHz. Additionally, it exhibits high port isolation (>35 dB), low cross polarization, high gain, and excellent total efficiency (>85%).

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来源期刊
Microwave and Optical Technology Letters
Microwave and Optical Technology Letters 工程技术-工程:电子与电气
CiteScore
3.40
自引率
20.00%
发文量
371
审稿时长
4.3 months
期刊介绍: Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication
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