A WIDEBAND CIRCULARLY POLARIZED ANTENNA WITH Γ-SHAPED FEED

被引：7
|
作者：
Fu, Guang [1 ]
Zhang, Zhi-Ya [1 ]
Zuo, Shao-Li [1 ]
Lei, Juan [1 ]
Gong, Shu-Xi [1 ]
机构：
[1] Xidian Univ, Sci & Technol Antenna & Microwave Lab, Xian 710071, Shaanxi, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 01期
关键词：
circularly polarized antenna; Gamma-shaped feed; impedance bandwidth; axial ratio bandwidth; PATCH; DESIGN; PROBE;
D O I：
10.1002/mop.26503
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 wideband circularly polarized antenna with Gamma-shaped feed is presented. The proposed antenna is formed by two shorted bowtie patch antennas and two L-shaped electric dipoles. It can achieve a measured impedance bandwidth for voltage standing wave ratio (VSWR) <= 1.5 of 52% and a 3-dB axial ratio bandwidth of 55%. For the entire half-power beamwidth, the axial ratio can be kept below 3 dB. A prototype has been fabricated and tested, and the experimental results validate the design procedure. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:153-156, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26503
引用
收藏
页码：153 / 156
页数：5
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