集成了非均匀部分反射面的宽带高增益多线性极化可重构天线

IF 4.6 1区 计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Zekui Zhang;Yanhui Liu;Shu-Lin Chen;Dingzhao Chen;Yong-Ling Ban
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引用次数: 0

摘要

在这篇通讯中,我们开发了一种集成了非均匀部分反射表面(PRS)的宽带、高增益多线性极化可重构天线。它利用了具有 25.71° 可重构线性极化(LP)间隔的紧凑型 L 探头馈源。它引入了与极化无关的非均匀 PRS,该 PRS 具有反射幅度和相位控制功能,可显著提高馈源的增益。此外,还对天线增益与 PRS 尺寸的关系进行了系统分析,通过精心设计 PRS,获得的增益可在 15 到 20 dBi 之间变化。此外,还提出了一种局部金属腔,可在不扩大天线的情况下进一步提高峰值增益。我们设计、模拟并制造了一个七 LP 可重构天线的实例。原型实现了 9.28 至 11.32 GHz(19.8%)的 -10-dB 重叠阻抗带宽和 15.08 dBi 的最大增益。3 dB 增益带宽为 15.7%(从 9.4 到 11 GHz)。这些测量特性验证了该天线在多个 LP 上提供宽带宽和高增益的良好性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Wideband High-Gain Multilinear Polarization-Reconfigurable Antenna Integrated With Nonuniform Partially Reflective Surface
In this communication, we develop a wideband and high-gain multilinear polarization-reconfigurable antenna integrated with nonuniform partially reflective surface (PRS). It leverages a compact L-probe feed source with 25.71° interval reconfigurable linear polarizations (LPs). A polarization-independent nonuniform PRS with both reflection magnitude and phase control is introduced to significantly enhance the gain of the feed source. Furthermore, a systematic analysis on antenna gain relative to the PRS size is conducted, and the obtained gain can vary from around 15 to 20 dBi by carefully designing the PRS. Besides, a partial metallic cavity is presented to further improve the peak gain without enlarging the antenna. An example of seven-LP reconfigurable antenna was designed, simulated, and fabricated. The prototype achieves an overlapped −10-dB impedance bandwidth from 9.28 to 11.32 GHz (19.8%) and a maximum gain of 15.08 dBi. The 3-dB gain bandwidth is 15.7% (from 9.4 to 11 GHz). These measured characteristics validate the antenna’s good performance in delivering wide bandwidth and high gains across multiple LPs.
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来源期刊
CiteScore
10.40
自引率
28.10%
发文量
968
审稿时长
4.7 months
期刊介绍: IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques
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