Microstrip patch antenna with defected ground structure for cross polarization suppression

被引：186
|
作者：
Guha, D [1 ]
Biswas, M
Antar, YMM
机构：
[1] Royal Mil Coll Canada, Kingston, ON K7K 7B4, Canada
[2] Univ Calcutta, Inst Radio Phys & Elect, Kolkata 700009, W Bengal, India
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2005年 / 4卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
circular microstrip antenna; defected ground structure (DGS); low cross polarization; microstrip antenna;
D O I：
10.1109/LAWP.2005.860211
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 defected ground structure (DGS) is proposed to reduce the cross-polarized (XP) radiation of a microstrip patch antenna. The proposed DGS pattern is simple and easy to etch on a commercial microstrip substrate. This will only reduce the XP radiation field without affecting the dominant mode input impedance and co-polarized radiation patterns of a conventional antenna. The new concept has been examined and verified experimentally for a particular DGS pattern employing a circular patch as the radiator. Both simulation and experimental results are presented.
引用
收藏
页码：455 / 458
页数：4
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