Circularly Polarized Slot Microstrip Antenna for Harmonic Suppression

被引：14
作者：
Xu, Yunxue [1 ]
Gong, Shuxi [2 ]
Hong, Tao [3 ]
机构：
[1] Xidian Univ, Natl Key Lab Sci & Technol Antennas & Microwaves, Xian 710071, Peoples R China
[2] Xidian Univ, Natl Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
[3] Xidian Univ, Xian 710071, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2013年 / 12卷
关键词：
Antenna radiation patterns; circular polarization; harmonic suppression; microstrip antennas; DEFECTED GROUND STRUCTURE; PATCH ANTENNA; PHOTONIC BANDGAP; DESIGN;
D O I：
10.1109/LAWP.2013.2256334
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：
With the introduction of the circularly symmetrical slot near the coaxial feed location of the corner truncated square microstrip antenna patch, both the circular polarization and harmonic suppression performance can be realized in this antenna. Effectiveness of the circularly symmetrical slot for harmonic suppression is studied, including its affection to circular polarization performance of the antenna. Experimental results show that application of the circularly symmetrical slot near the coaxial feed location of the microstrip antenna patch can remarkably suppress the harmonic frequencies. Measured radiation patterns indicate that the forward radiation is suppressed by more than 10 similar to 20 dB at the second and the third harmonic frequencies compared to the reference antenna, while maintaining the circular polarization performance, the cross polarization, and the backward radiation.
引用
收藏
页码：472 / 475
页数：4
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