LOW-PROFILE CIRCULARLY POLARIZED CYLINDRICAL DIELECTRIC RESONATOR ANTENNA COUPLED BY L-SHAPED RESONATING SLOT

被引：6
作者：
Mishra, Nipun K. [1 ]
Das, Soma [1 ]
Vishwakarma, Dinesh K. [2 ]
机构：
[1] Guru Ghasidas Cent Univ, Inst Technol, Bilaspur, India
[2] Indian Inst Informat Technol Design & Mfg, Jabalpur, India
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2017年 / 59卷 / 05期
关键词：
cylindrical dielectric resonator antenna; circular polarization; X-band; wide-band; resonating slot; WIDE-BAND;
D O I：
10.1002/mop.30455
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：
The aim of this work is to design a low-profile Circularly Polarized Dielectric Resonator Antenna for the X-band frequency applications. With optimized design the proposed Cylindrical DRA (CDRA) fed by off-centered L shaped slot is showing characteristics of Circular Polarization in the proposed band. Two orthogonal arms of off-centered L shaped slot having different dimension excite the two TM01 delta modes at 9.5 and 10.5 GHz, in addition both slots itself produce resonances nearly at 8.6 GHz. Combination of all these resonances is generating the nature of circular polarization near 9.5 GHz. Parametric study on designed antenna has been done in order to determine the effect of design parameters on the circular polarization. Axial Ratio bandwidth of 10.5% (1 GHz) and impedance bandwidth of 25% (2.3 GHz) at 9.5 GHz has been shown for single and simple feed low-profile CDRA. Prototype of optimized design has been fabricated for the validation and measured results have shown good agreement with simulated ones. (C) 2017 Wiley Periodicals, Inc.
引用
收藏
页码：996 / 1000
页数：6
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