Circularly polarised mode-converting antenna

被引：12
|
作者：
Yuan, CW [1 ]
Zhong, HH
Qian, BL
Li, ZQ
Lui, QX
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Peoples R China
[2] SW Jiaotong Univ, Coll Sci, Chengdu 610031, Peoples R China
来源：
ELECTRONICS LETTERS | 2006年 / 42卷 / 03期
关键词：
D O I：
10.1049/el:20063673
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 mode converter that transforms coaxial transverse electromagnetic mode into circularly polarised coaxial TE11 mode is proposed by inserting several metal plates into the coaxial waveguide. A circularly polarised mode-converting antenna with length of 36 cm and aperture diameter of 30.8 cm is designed by combining the mode converter with a special conical horn. The antenna has a gain of 19.2 dBi with all aperture efficiency of 50% and an axial ratio of 1.2 at 4 GHz. Measured results agree well with the simulated ones.
引用
收藏
页码：136 / 137
页数：2
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