DESIGN OF CIRCULARLY POLARIZED PATCH ANTENNA ARRAY WITH H-SHAPED APERTURES

被引：0

作者：

Shi, Yan ^{[1
]}

Yan, Ze-Hong ^{[1
]}

Wen, Bin ^{[1
]}

Zhang, Xiao-Lu ^{[1
]}

Chen, Ke ^{[1
]}

Liu, Wei ^{[1
]}

机构：

[1] Xidian Univ, Natl Key Lab Antenna & Microwave Technol, Xian 710071, Peoples R China

来源：

2013 INTERNATIONAL WORKSHOP ON MICROWAVE AND MILLIMETER WAVE CIRCUITS AND SYSTEM TECHNOLOGY (MMWCST) | 2013年

关键词：

microstrip antenna; circularly polarization; aperture-coupled; COUPLED MICROSTRIP ANTENNAS; WIDE-BAND; SLOT ANTENNA; BANDWIDTH; ENHANCEMENT; GAIN;

D O I：

暂无

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 novel circularly polarization microstrip antenna array operated in S band is presented. The antenna array consists of four subarrays. The dual feeds are placed in orthogonal directions, and are connected to the Wilkinson power divider with the microstrip 90 degree phase shift between its two output feedlines. The patch is coupled by two orthogonal H-shaped apertures, which can enhance the isolation of the two ports and improve the circularly polarized performance. The antenna array gain is 14 dBic, the axial-ratio value within 3 dB is 45 degree and the cross-polarization levels in zenith direction are less than -23 dB at 1900 MHz. This results indicate that the proposed antenna realizes a good circularly polarization performance.

引用

页码：24 / 27

页数：4

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