A DUAL-BAND CIRCULARLY POLARIZED STUB LOADED MICROSTRIP PATCH ANTENNA FOR GPS APPLICATIONS

被引：109
作者：
Heidari, A. A. [1 ]
Heyrani, M. [1 ]
Nakhkash, M. [1 ]
机构：
[1] Yazd Univ, Dept Elect Engn, Yazd, Iran
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2009年 / 92卷
关键词：
Microstrip antennas - Slot antennas - Global positioning system - Satellite antennas;
D O I：
10.2528/PIER09032401
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 single-feed low-profile and easy to fabricate circularly polarized microstrip patch antenna has been developed for GPS applications. For dual frequency operation, four slots are etched near edges of the patch and a crossed slot etched in the center for generating circular polarization. In order to reducing the frequency ratio of two frequency bands of the antenna, the patch is loaded by four short circuit microstrip stubs. The paper reports several simulation results that confirm the desired characteristics of the antenna. Using stub loading, the frequency ratio of two bands of the antenna can be, even, reduced to 1.1.
引用
收藏
页码：195 / 208
页数：14
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