A Novel Broadband Low-Profile Planar Circularly Polarized Micro-strip Mono-pulse Antenna Array

被引：0
|
作者：
Cai, Ming-Bo [1 ]
Xiang, Hong-Xin [1 ]
Han, Song [1 ]
Yan, Ze-Hong [1 ]
Zhang, Tian-Ling [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
2018 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT2018) | 2018年
基金：
中国国家自然科学基金;
关键词：
Mono-pulse; Micro-strip; Sum-difference Network; Circularly Polarized; L-shaped coupling;
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：
A novel compact micro-strip mono-pulse antenna array is proposed. The antenna unit use L-shaped coupling feed. Then a 4 x 4 planar circularly polarized planar mono-pulse antenna array is made up. A broadband feeding network which is composed of the sum-difference network and four power dividers is designed. The simulation results show that a gain peak value of 19dBic and51.9% of efficiency at 2.2G Hz have been obtained, the 3 dB axial-ratio bandwidth can reach 36% (2.05-2.75GHz), and the impedance bandwidth of the antenna is reach 45% (1.75GHz-2.75GHz), respectively. It fully shows that the two antenna arrays have high gain, wide bandwidth and circular polarization, which proves the validity of the design method.
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收藏
页数：3
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