Wide-Beam Circularly Polarized Microstrip Antenna with high Front-to-Back Ratio for CNSS Application

被引：0
|
作者：
Yuan, Yuan [1 ]
Wang, Min [1 ]
Yin, YuFeng [1 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Nanjing 210094, Jiangsu, Peoples R China
来源：
2017 IEEE SIXTH ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP) | 2017年
关键词：
BEAMWIDTH; BAND;
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 circularly polarized (CP) microstrip antenna with wide beam and high front-to-back ratio is proposed for compass navigation satellite system (CNSS) application. Based on the single-fed patch antenna, parasitic strips are loaded on the same layer to broad the beamwidth. Reactive impedance structure (RIS) is designed as a reflector to obtain a high front-to-back ratio. More importantly, good circularly polarized performance can be obtained in a wider range of beamwidth by adjusting reflection phase. Experimental results show that the measured half-power (HP) beamwidth is approximately 147 degrees and the 3dB axial-ratio (AR) beamwidth is more than 180 degrees. A front-to-back ratio of 20 dB can be achieved within the bandwidth.
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页数：3
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