A broadband circularly polarized e-shaped patch antenna

被引：0
|
作者：
Han, Zhu-Bin [1 ]
Li, Jian-ying [1 ]
Li, Zhi-Ying [1 ]
Qi, Yang-Xiao [1 ]
Li, Dong [2 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Peoples R China
[2] Natl Key Lab Sci & Technol Space Microwave, Xian, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2022年 / 64卷 / 07期
基金：
中国国家自然科学基金;
关键词：
axial ratio; broadband; circularly polarization; microstrip antenna;
D O I：
10.1002/mop.33260
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：
We proposed a broadband e-shaped circularly polarized (CP) patch antenna with single-point feed, and the feed point is located at the center of the antenna. The structure of this new antenna includes a ground plate and an e-shaped patch placed on a substrate. The measured impedance bandwidth of the proposed antenna is approximately 17.89% (3.47-4.15 GHz), and the measured 3-dB axial ratio bandwidth (ARBW) is about 9.47% (3.63-3.99 GHz). The antenna can achieve the gain of 8.4 to 8.7 dBi within the ARBW. And at the center frequency (3.8 GHz), right-hand CP to left-hand CP isolation of the antenna can reach -33 dB.
引用
收藏
页码：1229 / 1234
页数：6
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