A Multi-Polarized Reconfigurable Plasma Antenna Array

IF 1.2 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Antennas and Propagation Pub Date : 2023-09-11 DOI:10.1155/2023/3008738

Zhen Sun, Zhenzhen Zhou, Zhihao Tan, Huafeng Wu, Jiansen Zhao

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引用次数: 0

Abstract

Research on antenna reconfiguration is important in antenna applications. We present design of a multi-polarized plasma antenna with 40.68 MHz radio frequency (RF) power supplies and several discharge tubes filled with argon (neon) and mercury. Furthermore, self-made regulating circuits among the vibrators are introduced for the antenna array system. It can not only make the length of the dipole controllable but also improve the antenna gain and circular polarization (CP) performance under different lengths. Antenna arrays can be classified into linear and circular polarization by quickly adjusting the phase difference between vibrators. Both the experimental and simulation results indicate that the plasma antenna can realize impedance, pattern, and polarization reconstruction expediently. In addition, the linear polarization (LP) and CP can be transformed into each other quickly by adjusting the discharge conditions and regulating circuits. Moreover, compared with a symmetrical cross vibrator plasma antenna and a metal antenna of the same size, the proposed antenna array shows a certain gain and good reconfigurable performance within the frequency band of 150–250 MHz.

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多极化可重构等离子体天线阵列

天线重构研究在天线应用中具有重要意义。我们设计了一种多极化等离子体天线，采用40.68 MHz射频(RF)电源和几个充满氩(氖)和汞的放电管。此外，还介绍了天线阵系统中各振子之间的自制调节电路。它不仅可以使偶极子的长度可控，而且可以提高天线在不同长度下的增益和圆极化性能。通过快速调整振子之间的相位差，天线阵列可以分为线极化和圆极化。实验和仿真结果表明，等离子体天线可以方便地实现阻抗、方向图和极化重建。此外，通过调整放电条件和调节电路，可以使线性极化(LP)和线性极化(CP)快速相互转化。此外，与同等尺寸的对称交叉振子等离子体天线和金属天线相比，该天线阵列在150 ~ 250 MHz频段内具有一定的增益和良好的可重构性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Antennas and Propagation ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS

CiteScore

3.10

自引率

13.30%

发文量

158

审稿时长

3.8 months

期刊介绍： International Journal of Antennas and Propagation publishes papers on the design, analysis, and applications of antennas, along with theoretical and practical studies relating the propagation of electromagnetic waves at all relevant frequencies, through space, air, and other media. As well as original research, the International Journal of Antennas and Propagation also publishes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.