W-band Dual-Large-Reflectarray Antenna with Low Sensitivity and Broad bandwidth Characteristic

被引：0
|
作者：
Choi, Euncheol [1 ]
Nam, Sangwook [1 ]
机构：
[1] Seoul Natl Univ, Dept Elect & Comp Engn, INMC, Seoul, South Korea
来源：
2019 URSI INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC THEORY (EMTS) | 2019年
关键词：
DESIGN;
D O I：
10.23919/ursi-emts.2019.8931484
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 dual-large-reflectarray antenna with low sensitivity and broad bandwidth characteristics is presented. The proposed unit cell is composed of a simple multi-resonant element which is a patch and a square loop. Then, the low sensitivity and broad bandwidth can be achieved through the stepwise variation strategy rather than the conventional variation method of the unit cell. With this multi-resonant element, the total range of 430 degrees and the average sensitivity of 15.9 degrees/0.1mm can be achieved. A 6072-element large reflectarray antenna is designed, simulated. Finally, the simulated results show that the peak gain is 35.9 dBi and the 1-dB gain bandwidth is 12GHz in W-band.
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页数：4
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