Computer-aided design of octo-filar helix antennas with fixed arm length

被引：0
|
作者：
Fang, Yang [1 ]
Chen-Jiang, Guo [1 ]
Jia-Dong, Xu [1 ]
You-Jun, Ding [1 ]
Chun-Jian, Xie [1 ]
机构：
[1] Northwestern Polytech Univ, Xian 710072, Shaanxi, Peoples R China
来源：
2007 5TH INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY PROCEEDINGS | 2007年
关键词：
D O I：
暂无
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：
An octo-filar helix antenna that can form a backfire or endfire conical beam by changing its pitch angle and feeding modes with its arm length invariable is researched by the Nakano integral equation and, the method of moments. A shaped-conical radiation pattern with good circular polarization performance and the best beam conformity can be obtained for almost all the hemisphere. Comparison of the radiation properties, including the beam direction, maximum power gain and 3-dB axial ratio angle coverage under different feeding modes is conducted. The relationship between the pitch angle and the height of the satellite orbit is also presented, which provides theoretical references for the;design of the antenna.
引用
收藏
页码：167 / +
页数：3
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