Coaxially fed microstrip antenna for harmonic suppression

被引：7
作者：
Xu, Yunxue [1 ]
Gong, Shuxi [1 ]
Guan, Ying [1 ]
机构：
[1] Xidian Univ, Natl Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 15期
关键词：
DEFECTED GROUND STRUCTURE; PATCH ANTENNA; PHOTONIC BANDGAP; DESIGN;
D O I：
10.1049/el.2012.1070
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 coaxially fed microstrip antenna using a defected ground structure (DGS) for harmonic suppression is proposed, in which the DGS is distributed around the coaxially fed location. The effectiveness of the DGS is discussed for the suppression harmonic frequencies of the antenna. Experimental results show that application of the DGS near to the coaxially fed location of the microstrip antenna can remarkably suppress the harmonic frequencies. Measured radiation patterns indicate that, compared with the reference antenna, the forward radiation of the proposed antenna is suppressed by 20 dB at the second- and the third-harmonic frequency, and the backward radiation is almost not varied.
引用
收藏
页码：895 / 896
页数：2
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