一种采用寄生元件的小型宽带微带槽圆极化天线

IF 0.6 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electromagnetics Pub Date : 2022-07-04 DOI:10.1080/02726343.2022.2118421

Lei Wang, Jingxin Chen, Rui Zhang, Liye Cheng

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引用次数: 0

摘要

提出了一种新型宽带圆极化(CP)微带缝隙天线。所提出的CP MSA由方形环馈电配置、四个矩形贴片作为寄生贴片和一个带有四个l型槽作为寄生槽的方形接平面组成。可产生270°相位差的方环进给结构包括弧形带和方环。矩形贴片和l形槽作为寄生元件一起排列并蚀刻在方环馈电配置的侧面，使用电容耦合馈电技术激发多个CP谐振模式。在本研究中，对所提出的天线原型进行了模拟、制造和测量。测量结果表明，当| < - 10 dB时，CP MSA具有4.36-5.36 GHz(20.6%)的宽阻抗带宽;当AR < 3 dB时，其宽轴比带宽(ARBW)为4.53-5.30 GHz(15.7%)。因此，所提出的CP MSA将是无线通信系统中一个杰出的候选者。

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A compact broadband microstrip slot circularly polarized antenna using parasitic elements

ABSTRACT A new broadband circularly polarized (CP) microstrip slot antenna (MSA) is proposed in this study. The proposed CP MSA is comprised of a square-loop feed configuration, four rectangular patches as parasitic patches, and a square ground plane etched with four L-shaped slots as parasitic slots. The square-loop feed configuration, which can stimulate a 270° phase difference, comprises an arc-shaped strip and a square-loop. Rectangular patches and L-shaped slots as parasitic elements are together arranged and etched at the side of the square-loop feed configuration to excite multiple CP resonant modes using a capacitively coupled feeding technology. A prototype of the proposed antenna was simulated, manufactured, and measured in this study. The measured results depict that the CP MSA features a wide impedance bandwidth of 4.36–5.36 GHz (20.6%) for|S11| < −10 dB and broad axial ratio bandwidth (ARBW) of 4.53–5.30 GHz (15.7%) for AR < 3 dB. Thus, the proposed CP MSA would be an outstanding candidate in wireless communication systems.

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来源期刊

Electromagnetics 工程技术-工程：电子与电气

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

6 months

期刊介绍： Publishing eight times per year, Electromagnetics offers refereed papers that span the entire broad field of electromagnetics and serves as an exceptional reference source of permanent archival value. Included in this wide ranging scope of materials are developments in electromagnetic theory, high frequency techniques, antennas and randomes, arrays, numerical techniques, scattering and diffraction, materials, and printed circuits. The journal also serves as a forum for deliberations on innovations in the field. Additionally, special issues give more in-depth coverage to topics of immediate importance. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. Submissions can be made via email or postal mail.