Axial mode elliptical helical antenna with parasitic wire for CP bandwidth enhancement

被引：7
|
作者：
Wu, Z.-H.
Che, W.-Q.
Fu, B.
Lau, P.-Y.
Yung, E. K. N.
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
[2] Nanjing Univ Sci & Technol, Dept Elect Engn, Nanjing 210094, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2007年 / 1卷 / 04期
关键词：
D O I：
10.1049/iet-map:20060239
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：
Elliptical helical antenna using parasitic helix to enhance the axial ratio (AR) bandwidth is presented. The parasitic wire increases the AR bandwidth (AR < 3 dB) from 13.6 to 25%, and enhances the directivity by 2 dB in the frequency band interested, while maintaining the simple single feeding system. The simulated results and experimental results including AR, impedance and radiation patterns are given, and some good agreements are observed.
引用
收藏
页码：943 / 948
页数：6
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