High-Power Dual-Branch Helical Antenna

被引：26

作者：

Liang, Yuan ^{[1
]}

Zhang, Jianqiong ^{[1
]}

Liu, Qingxiang ^{[1
]}

Li, Xiangqiang ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Sch Phys Sci & Technol, Chengdu 610031, Sichuan, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2018年 / 17卷 / 03期

关键词：

Circular polarization; dual-branch; feed probe; gain; helical antenna; high power; MICROWAVES;

D O I：

10.1109/LAWP.2018.2796244

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：

A novel high-power axial-mode helical antenna has been developed. The antenna consists of two short helixes with the same polarization but a relative rotation angle. As the high-frequency current on the antenna is divided into two paths, its power capacity is much higher than conventional helical antenna. Some basic analysis and design of the dual-branch helical antenna are presented and a wideband, well-matched coaxial feeding for experiments has been carried out to get the frequency responses and far-field results. The results centered at 12.5 GHz indicate that the gain is 8.6 dB and the axial ratio is 2.2 dB, and it could handle a pulse power of 44.6 MW under vacuum condition.

引用

页码：472 / 475

页数：4

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