A Broadband Circularly Polarized Cross-dipole Antenna for GNSS Applications

被引：0
|
作者：
Song, Chaoyun [1 ]
Huang, Yi [1 ]
Xu, Qian [1 ]
Hussine, Umniyyah Ulfa [1 ]
机构：
[1] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Merseyside, England
来源：
2015 LOUGHBOROUGH ANTENNAS & PROPAGATION CONFERENCE (LAPC) | 2015年
关键词：
Cross dipole; broadband antenna; CP antenna; GNSS;
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 broadband circularly polarized (CP) cross-dipole antenna is proposed for GNSS applications. The antenna has a very simple structure and a small size but has a very broad impedance bandwidth from 1.15 to 1.75 GHz (a fractional bandwidth of 41.4%) for S-11 < -10 dB. The CP bandwidth is from 1.37 to 1.5 GHz for axial ratio < 3 dB. A computer simulation is conducted to optimize its dimensions and predict its performance. The optimized antenna is fabricated and measured. The simulated and measured results are in good agreement and have demonstrated that the proposed antenna is indeed a very good candidate for GNSS applications.
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页数：4
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