A NOVEL MICROSTRIP PATCH ANTENNA WITH REDUCED SURFACE WAVE EXCITATION

被引：17
|
作者：
Mahmoud, S. F. [1 ]
Al-Ajmi, A. R. [1 ]
机构：
[1] Kuwait Univ, EE Dept, Safat 13060, Kuwait
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2008年 / 86卷
关键词：
D O I：
10.2528/PIER08092403
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 microstrip circular patch antenna with two shorting pins is proposed as an antenna with reduced surface wave and lateral wave excitation. Theoretical analysis of the cavity modes of the patch lead to a design procedure for the antenna. Simulation results using the IE3D-Zeland software support the theory and verify the reduced surface wave capability. By using four shorting pins instead of two, we demonstrate the possibility of achieving circular polarization with high polarization purity in addition to the reduced surface wave. It is demonstrated that a discrimination against the lateral wave of 30 dB or more is achievable. Applications include design of large patch arrays with reduced coupling and GPS receiving antennas that reduce low angle interfering signals.
引用
收藏
页码：71 / 86
页数：16
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