强激光与粒子束2024，Vol.36Issue(1)：5-11,7.DOI:10.11884/HPLPB202436.230379
一种旋转移相式高功率微波反射阵列天线
A high-power microwave reflectarray antenna based on variable rotation technique
许亮 1张强 1袁成卫 1刘金亮 1孙云飞 1龚鸿州 1刘东琪1
作者信息
- 1. 国防科技大学前沿交叉学科学院,长沙 410073
- 折叠
摘要
Abstract
In this paper,utilizing the geometrical phase shifting method of Variable Rotation Technique(VRT),we propose a beam scanning high-power microwave reflectarray antenna based on the concept of transmission phase difference.Electromagnetic simulation results show that the designed trident-shaped reflectarray antenna element operates at 9.5-10.5 GHz,has a linear phase shift capability within 360°at 0-40°incidence angle,and has a power handling capacity of 1.11 GW under vacuum conditions.A circular-shaped aperture reflectarray antenna with a radius of 200 mm is designed using the proposed element,and verified by full-wave simulation.Through the reconfiguration of the aperture phase distribution,the designed reflectarray antenna can realize the beam scanning in the range of±40°.At 10 GHz,the maximum gain loss during beam scanning is less than 1.63 dB,the maximum gain reaches 31.1 dBi,the corresponding aperture efficiency is 73.42%,while the minimum aperture efficiency is more than 50%.The sidelobe level and axial ratio are always lower than-18.7 dB and 1.6 dB,respectively.关键词
旋转移相技术/波束扫描/反射阵列天线/高功率微波/功率容量Key words
variable rotation technique/beam scanning/reflectarray antenna/high-power microwave/power handling capacity分类
电子信息工程引用本文复制引用
许亮,张强,袁成卫,刘金亮,孙云飞,龚鸿州,刘东琪..一种旋转移相式高功率微波反射阵列天线[J].强激光与粒子束,2024,36(1):5-11,7.
