Wide Band Circularly Polarized Dielectric Resonator Antenna With Stair-Shaped Slot Excitation

被引：84
|
作者：
Varshney, Gaurav [1 ]
Pandey, V. S. [2 ]
Yaduvanshi, R. S. [3 ]
Kumar, Lalit [1 ]
机构：
[1] Natl Inst Technol Delhi, Dept Elect & Commun Engn, Delhi 110040, India
[2] Natl Inst Technol Delhi, Dept Phys, Delhi 110040, India
[3] Ambedkar Inst Adv Commun Technol & Res, Dept Elect & Commun Engn, Delhi 110031, India
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 03期
关键词：
Circular polarization; dielectric resonator antenna (DRA); half split cylinder; stair-shaped slot;
D O I：
10.1109/TAP.2016.2635619
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 singly-fed wideband circularly polarized dielectric resonator antenna is proposed in this communication. Antenna structure contains a rectangular and two half split cylindrical dielectric resonators. Multiple orthogonal modes are excited in the antenna structure when excitation is applied through a stair-shaped slot. Measured results show that antenna provides wider 3-dB axial ratio and impedance bandwidths of 41.01% and 49.67%, respectively. Proposed antenna can be utilized in C-band applications.
引用
收藏
页码：1380 / 1383
页数：4
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