Bandwidth limitation of two-port fed and self-phased quadrifilar helix antennas

被引：12
|
作者：
Amin, M [1 ]
Cahill, R [1 ]
机构：
[1] Queens Univ Belfast, Inst ECIT, Belfast BT3 9DT, Antrim, North Ireland
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 46卷 / 01期
关键词：
quadrifilar antenna; wire antennas; helix antennas; space-craft antennas;
D O I：
10.1002/mop.20886
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：
The bandwidth of a resonant quadrifilar helix antenna (QHA) is shown to be strongly dependent on the design of the feed network. In this paper, we compare the impedance and radiation-pattern performance of two QHAs driven by different feed arrangements. A qualitative explanation for the difference in the behaviour of the antenna is given by observing the amplitude and phase distribution of the current in the helices. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：11 / 15
页数：5
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