Novel Broadband Circularly Polarized Antenna based on Chamfered and Stair-Shaped Dielectric Resonator

被引：0
|
作者：
Qiu, H. Y. [1 ]
Zhang, X. J. [1 ]
Sun, S. H. [1 ]
Qin, Q. L. [1 ]
Feng, Y. P. [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Automation & Elect Engn, Qingdao, Peoples R China
来源：
INTEGRATED FERROELECTRICS | 2023年 / 233卷 / 01期
关键词：
Circularly polarized; dielectric resonator; broadband;
D O I：
10.1080/10584587.2023.2191508
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 circularly polarized (CP) antenna with a chamfered and stair-shaped dielectric resonator (CSDRA) is introduced in this article, which introduces a chamfer in the stair-shaped resonator structure. This chamfer has hardly influence on the impedance bandwidth, but a distinct impact on the axial ratio (AR) bandwidth after its dimension is optimized by using HFSS. Simulated results show that the CSDRA has 10 dB return loss of 69.7% (3.91-8.10 GHz) and 3 dB AR bandwidths of 51.4% (3.87-6.55 GHz), respectively, and thus useable bandwidth of 50.4% (3.91-6.55 GHz) is obtained in this article. Moreover, the gain in the working frequency band exceeds 3.36 dBic.
引用
收藏
页码：165 / 173
页数：9
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