Numerical Study on a Wideband Plasma Folded-Dipole Antenna

被引：20

作者：

Ghaderi, Mohammadreza ^{[1
]}

Moradi, Gholamreza ^{[1
]}

Mousavi, Pedram ^{[2
]}

机构：

[1] Amirkabir Univ Technol, Elect Engn Dept, Tehran 158754413, Iran

[2] Univ Alberta, Elect & Comp Engn, Edmonton, AB T6G 2R3, Canada

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷

关键词：

Finite-difference time domain; folded dipole; plasma; plasma antenna; PERFORMANCE;

D O I：

10.1109/LAWP.2016.2631603

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This is a presentation of folded-dipole plasma tube used as very high frequency (VHF) band antenna. In plasma medium, ionized gas plays the role of free electrons in traditional metallic antennas to radiate waves. Folded-dipoles have higher input impedance and closed structure that omits bothersome wiring with respect to monopoles. VHF wave is coupled to the surface of the tube via a small capacitive coupler. Numerical analysis and optimization are performed by using a finite-difference time-domain method. The results indicate total agreement with standard CST Microwave Studio software simulation. Designing well, the bandwidth of 220 MHz (81%) is obtained. Parametric study, radiation properties, and some novel points are discussed as well.

引用

页码：1253 / 1256

页数：4

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