CIRCULARLY POLARIZED QUARTER-CYLINDER-SHAPED DIELECTRIC RESONATOR ANTENNA USING A SINGLE PROBE FEED

被引:11
作者
Bezerra, Jose W. O. [1 ]
Sousa, D. G. [1 ]
Junqueira, C. C. M. [2 ]
Silva, Marcelo A. S. [3 ]
Barroso, G. C. [1 ]
Sombra, Antonio S. B. [3 ]
机构
[1] Univ Fed Ceara, Dept Teleinformat Engn, BR-60455760 Fortaleza, Ceara, Brazil
[2] IAE, BR-12228904 Sao Paulo, Brazil
[3] Univ Fed Ceara, Telecommun & Mat Sci & Engn Lab LOCEM, Dept Phys, BR-60455760 Fortaleza, Ceara, Brazil
关键词
antenna feeds; dielectric resonator antennas; electromagnetic propagation; microwave antennas; SECTOR;
D O I
10.1002/mop.28930
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
This article proposes a dielectric resonator in the form of a quarter of a cylinder to perform as a circularly polarized antenna using a very simple feed design on which a single probe excites two resonant modes in phase quadrature and spatial orthogonality. This study examines some electromagnetic aspects of this antenna and it also presents and discusses the results achieved from computational simulation and experimental measurements. It was verified a good agreement between simulated and experimental results showing a 3-dB axial ratio bandwidth over 3% at 2.25 GHz. (C) 2015 Wiley Periodicals, Inc.
引用
收藏
页码:722 / 726
页数:6
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