Novel broadband reflectarray antenna with windmill-shaped elements for millimeter-wave application

被引：14
作者：
Li, Hua [1 ]
Wang, Bing-Zhong
Du, Ping
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
[2] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 2007年 / 28卷 / 05期
基金：
中国国家自然科学基金;
关键词：
reflectarray antenna; windmill-shaped element; broadband; millimeter-wave;
D O I：
10.1007/s10762-007-9218-8
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 broadband millimeter-wave reflectarray antenna composed of windmill-shaped elements of variable lengths is proposed. Compared to the conventional single-layer reflectarray elements, the windmill-shaped elements can realize much larger phase variation range (over 600 degrees), leading to broader bandwidth. Using this technique, a 15 degrees-beam-steering reflectarray operating at 30 GHz is designed. The computed results demonstrate the agreement of the main beam steering with the design requirement, and a 1-dB gain bandwidth close to 20% is obtained. The validity of the obtained results is verified by comparing the ones generated by Ansoft High Frequency Structure Simulator (HFSS) with those produced by Ansoft Designer. The antenna is useful for millimeter-wave applications.
引用
收藏
页码：339 / 344
页数：6
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