Wideband Triple-Resonance Cavity-Backed Slot Antenna Utilizing a Single Metal Cavity

被引：0
|
作者：
Liao, Zhi-Cai [1 ]
Chen, Rui-Sen [1 ,2 ]
Shao, Qiang [1 ]
Huang, Guan-Long [1 ]
Al-Nuaimi, Mustafa K. Taher [1 ]
Zeng, Jingtao [3 ]
Yang, Hua [3 ]
Wong, Sai-Wai [4 ]
机构：
[1] Foshan Univ, Sch Elect & Informat Engn, Foshan, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing, Peoples R China
[3] Guangdong Shenglu Telecommun Tech Co Ltd, Foshan, Peoples R China
[4] Shenzhen Univ, Coll Elect & Informat Engn, Shenzhen, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2025年 / 67卷 / 03期
基金：
中国国家自然科学基金;
关键词：
cavity-backed slot antenna; metal cavity; triple-resonance; wideband antenna; GUIDE FILTERING ANTENNA; SIW CAVITY; ARRAY; FILTENNA;
D O I：
10.1002/mop.70165
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：
In this paper, a wideband triple-resonance cavity-backed slot antenna with a simple structure is proposed. The antenna is composed of a feeding probe, a metal cavity, and a rectangular radiating slot on the top wall. The rectangular slot can produce a resonant-iris mode, the feeding probe can produce a coaxial-cavity mode, and the metal cavity can produce a cavity mode. By combining these three mixed resonant modes in a single cavity, the antenna can achieve a wide operating bandwidth as well as a simple antenna structure. The measured results demonstrate that the proposed triple-resonance full-metal cavity-backed slot antenna can achieve 70% bandwidth and also has a stable radiation pattern over the entire operating band.
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页数：7
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