Miniaturized Circularly Polarized Horn Antenna with a Single-Arm Spiral Structure for X-band

被引：0
|
作者：
Chen, Xiaokun [1 ]
Yu, Jiaao [2 ]
Peng, Shirui [2 ]
机构：
[1] Huazhong Agr Univ, Coll Sci, Wuhan, Hubei, Peoples R China
[2] Air Force Early Warning Acad, Dept 5, Wuhan, Hubei, Peoples R China
来源：
PROCEEDINGS OF THE 2018 INTERNATIONAL CONFERENCE ON INFORMATION SCIENCE AND SYSTEM (ICISS 2018) | 2018年
关键词：
Single-arm spiral; low-profile; X-band; circularly polaried (CP); Horn antenna;
D O I：
10.1145/3209914.3226168
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
a miniature circularly polarized horn antenna is designed and implemented. The radiation part of the antenna is a single-arm spiral (SAS) structure, which is directly fed by 50 Omega coaxial line through a small disc/ground-plane, and this feeding method replaces the traditional balun which often used in conventional two-arm balanced-mode spiral antenna. The gain of the antenna is increased by the back cavity and the conical horn, the beam width is controlled, and the phenomenon of beam pointing deviation is improved. It is revealed that the designed antenna has a good circularly polarized (CP) radiation performance over a design frequency range of 8 GHz to 12 GHz, and the overall dimension of the antenna is 40x40x24mm.
引用
收藏
页码：215 / 217
页数：3
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