MINIATURIZED CROSSED-DIPOLE CIRCULARLY POLARIZED FRACTAL ANTENNA

被引：4
|
作者：
Li, Guo [1 ]
Xu, Liang [1 ]
Wu, Zhensen [1 ]
机构：
[1] Xidian Univ, Inst Radio Wave Propagat, Xian 710071, Shaanxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2013年 / 39卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.2528/PIERL13020507
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 miniaturized crossed-dipole fractal antenna with circular polarization is presented in this letter. The radiating elements of the antenna were built as the Koch curve, and the antenna was mounted on a specially designed ground plane. The influence of ground plane to beamwidth and axial ratio of fractal antenna is also experimentally studied. The bandwidth of the VSWR 1.5 : 1 within 3 dB axial ratio for the fractal antenna is about 5.98%. The measured results show that the proposed fractal antennas have good circular polarization property, efficiency and 23.4-33.5% size reduction comparing with the conventional crossed-dipole antenna. Furthermore, the comparison of the designed antenna and existing technique was also presented. The tested results are in good agreement with that of the simulations.
引用
收藏
页码：49 / 62
页数：14
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