A rectangular-cavity-backed cloverleaf slot antenna for circular polarization

被引：0
|
作者：
Watanabe, T [1 ]
Hirasawa, K [1 ]
Nemoto, S [1 ]
机构：
[1] Univ Tsukuba, Grad Sch Syst & Informat Engn, Tsukuba, Ibaraki 305, Japan
来源：
2004 9TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS) | 2004年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Characteristics of a rectangular-cavity-backed cloverleaf slot antenna are investigated numerically and experimentally. The method of moments is used to calculate the antenna characteristics where the effects of the cavity are taken into account. The minimum axial ratio of 1.11 dB and the maximum gain of 10.6 dBi are obtained at 2.19 GHz. The frequency bandwidth for the axial ratio (AR) (< 3dB) and VSWR (< 2) is 2.7%. The symmetrical radiation pattern is obtained with respect to the vertical. The calculated results on AR, VSWR, and radiation patterns are agree well with measured data.
引用
收藏
页码：595 / 597
页数：3
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