A Circularly Polarized Cylindrical Dielectric Resonator Antenna Using a Helical Exciter

被引：44

作者：

Motevasselian, Alireza ^{[1
]}

Ellgardt, Anders ^{[1
]}

Jonsson, B. L. G. ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Electromagnet Engn Lab, Sch Elect Engn, SE-10044 Stockholm, Sweden

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 03期

关键词：

Circular polarization; cylindrical; dielectric resonator antenna; helix; probe feed; BACKING CAVITY; SLOT; FREQUENCY; DESIGN;

D O I：

10.1109/TAP.2012.2229954

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 cylindrical dielectric resonator antenna excited by an external tape helix is presented. The helix is fed by a coaxial line through a small hole on a finite size ground plane. The configuration offers a compact and easy to fabricate feeding network providing a 3 dB axial-ratio bandwidth of 6.4%. A prototype of the proposed configuration is fabricated and measured. Measured and simulated return loss, axial-ratio, radiation pattern, and realized gain are presented and discussed together with design guidelines.

引用

页码：1439 / 1443

页数：5

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