W-band Microstrip Reflectarray with Double-cross Element for Bandwidth Improvement

被引：0
|
作者：
Yoon, Ji Hwan [1 ]
Yoon, Young Joong [1 ]
Lee, Woo-sang [2 ]
So, Joon-ho [2 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Seoul, South Korea
[2] Agcy Def Dev, Daejeon, South Korea
来源：
2015 GLOBAL SYMPOSIUM ON MILLIMETER WAVES (GSMM) | 2015年
关键词：
Broadband; Reflectarray; Reflector; W-band; PRINTED REFLECTARRAYS; COMBINATION; DESIGN;
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 broadband microstrip reflectarray is designed with the proposed element at W-band. The element consists of two cross-shaped resonators. Based on the analysis on the resonance mechanism of the double-cross element, the reflection phase of the element is controlled to achieve broadband characteristics by adjusting the dimensions of the element. Using the proposed element, a reflectarray with diameter of 50 mm is designed at f(0) = 95 GHz. At f = f(0), the peak gain of 31.73 dBi is achieved with aperture efficiency of 66.1%. Also, 1-dB gain bandwidth of 15.9% is achieved at W-band.
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页数：3
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