一种工作频率稳定的可重构ARBW天线

2023 5th International Conference on Communications, Information System and Computer Engineering (CISCE) Pub Date : 2023-04-14 DOI:10.1109/CISCE58541.2023.10142387

Yiping Zang, Weishan Li, Jie Ma, Qingfeng Kong, Dongjie Qin

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引用次数: 0

摘要

提出了一种工作频率稳定的可重构轴比波束宽(ARBW)天线。圆极化(CP)天线的ARBW可以通过改变变容二极管来连续调节。首先，将四个T形贴片和一个方形环形贴片分布在交叉偶极子周围而不是连接在一起，从而在改变T形寄生短段时保持稳定的谐振频率。其次，集成两个变容二极管的T形短管的长度会影响天线的辐射场，进而影响天线的ARBW。因此，可以灵活地调整CP信号的覆盖范围。结果表明，该天线在XZ平面的ARBW从84°(-46°，38°)变化到157°(-67°，90°)，且谐振频率稳定。

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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A Reconfigurable ARBW Antenna with Stable Working Frequency

A reconfigurable axial ratio beam width (ARBW) antenna with stable working frequency is presented in this paper. The ARBW of the circularly polarized (CP) antenna can be successively adjusted by changing varactor diode. First of all, a novel structure, including four T-shaped patches and a square loop patch, is distributed around rather than connected the crossed dipole so as to keep a stable resonant frequency when changing the T shaped parasitic stub. Next, the length of the T shaped stub integrated two varactor diodes can affect the radiation field of the antenna, and further affect the ARBW of the proposed antenna. Therefore, the coverage area of the CP signal is adjusted flexibly. The result displayed that the ARBW of the proposed antenna is changed from 84° (-46°, 38°) to 157° (-67°, 90°) in XZ plane with stable resonant frequency.

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2023 5th International Conference on Communications, Information System and Computer Engineering (CISCE)

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