A Simultaneous Study on Wire-Loop, Plate-Loop, and Plate Antennas for Wideband Circular Polarization

被引：0
|
作者：
Hirose, Kazuhide [1 ]
Hirose, Mitsuki [1 ]
Nakano, Hisamatsu [2 ]
机构：
[1] Shibaura Inst Technol, Coll Engn, Tokyo 1358548, Japan
[2] Hosei Univ, Sci & Engn, Tokyo 1848548, Japan
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2024年 / 2024卷
关键词：
D O I：
10.1155/2024/9326275
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：
We investigate three square-shaped antennas to increase the bandwidth of circular polarization. Each antenna has two adjacent corners excited with the same amplitudes and a phase difference of 90 degrees using a branched feedline vertical to the ground plane. We evaluate the 3 dB axial ratio bandwidth as a function of the loop-arm width using the moment method. It is found that the axial ratio bandwidth reaches 38% for an arm width of 0.04 wavelengths, wider than that of a wire-loop antenna by a factor of three. The simulated results are verified by experimental ones.
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页数：7
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