Circularly polarized cavity-backed antenna with variable magneto-electric crossed-dipole structure

被引：0
作者：
Boontamchauy, Phanuphong [1 ]
Sano, Makoto [2 ]
Kuse, Ryuji [2 ]
Fukusako, Takeshi [2 ]
机构：
[1] Kumamoto Univ, Grad Sch Sci & Technol, Kumamoto 8608555, Japan
[2] Kumamoto Univ, Dept Comp Sci & Elect Engn, Kumamoto 8608555, Japan
来源：
IEICE COMMUNICATIONS EXPRESS | 2024年 / 13卷 / 11期
关键词：
cavity-backed antenna; crossed-dipole; magneto-electric an- tenna; axial ratio beamwidth; WIDE-BAND; BEAMWIDTH; MULTIBAND; BEAM;
D O I：
10.23919/comex.2024XBL0119
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：
The authors propose a mode conversion technique in a cavity- backed circularly polarized magneto-electric (ME) antenna in order to achieve a wide axial ratio (AR) beamwidth covering a wide frequency range. The proposed technique allows both the ME antenna element and the cavity structural parameters to be independent of each other, which would otherwise always be associated with each other. The proposed antenna demonstrated impedance bandwidth (|S11 | <= - 10 dB) of 38.73% (1.52-2.25 GHz), 3-dB axial ratio bandwidth of 33.05% (1.49-2.08 GHz), and 3-dB AR beamwidth exceeding 214 degrees in a single plane (xz or yz-plane) across the operating band.
引用
收藏
页码：421 / 425
页数：5
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