Dual-band circular polarized microstrip antenna for GNSS application

被引：0
|
作者：
Wang, Haiyang [1 ]
Zhang, Bianmei [1 ]
Liu, Xiaoming [1 ]
Yang, Xiaofan [2 ]
Zhang, Ran [1 ]
Wang, Ye [1 ]
机构：
[1] Anhui Normal Univ, Sch Phys & Elect Informat, Wuhu 241002, Peoples R China
[2] State Key Lab Complex Electromagnet Environm Effec, Luoyang 471004, Henan, Peoples R China
来源：
FREQUENZ | 2024年 / 78卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
duad-band; circularly polarized antenna; global navigation satellite system; DIPOLE ANTENNA;
D O I：
10.1515/freq-2023-0132
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 dual-band circular polarized antenna with broad bandwidth is proposed. Two circular grooves with different radii are carved on the ground to generate two frequency bands. Two rectangular slots are engraved on the outside of the circular groove. By adjusting the length of the two slots, this antenna can radiate right-handed circularly polarized (RHCP) waves at two frequency bands, which can cover GPS L5 (1.176 GHz), L2 (1.227 GHz), L1 (1.575 GHz), BDS, GALILEO, and GLONASS bands. The measured -10 dB bandwidth is 46.3 % (1.13-1.81 GHz) and 3 dB axial ratio bandwidths are 15.6 % (1.11-1.30 GHz) and 17.8 % (1.38-1.65 GHz). The measured gains are 2.51 dBi and 2.67 dBi at 1.2 GHz and 1.56 GHz, respectively.
引用
收藏
页码：89 / 98
页数：10
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