波束扫描微带反射阵天线设计

doi:10.3969/j.issn.1001-2400.2015.06.029

J4 ›› 2015, Vol. 42 ›› Issue (6): 173-178.doi: 10.3969/j.issn.1001-2400.2015.06.029

波束扫描微带反射阵天线设计

陈宏伟1;张广求1;雷雪1;吴君默1;孙武剑2

(1. 信息工程大学信息系统工程学院，河南郑州 450002;
2. 中国北方电子设备研究所，北京 100876)

收稿日期:2014-06-27 出版日期:2015-12-20 发布日期:2016-01-25
作者简介:陈宏伟(1990-)，男，信息工程大学硕士研究生，E-mail: laovidyx@126.com．
基金资助:
国家863计划资助项目(2014AA01A707)

Design of the beam scanning microstrip reflectarray antenna

CHEN Hongwei1;ZHANG Guangqiu1;LEI Xue1;WU Junmo1;SUN Wujian2

(1. Information System Engineering Institute, Information Engineering University, Zhengzhou 450002, China;
2. Institute of North Electronic Equipment, Beijing 100876, China)

Received:2014-06-27 Online:2015-12-20 Published:2016-01-25

摘要/Abstract

摘要：

以设计宽角度、低旁瓣波束扫描微带反射阵天线为目标，提出一种基于三焦点口径面相位分布的设计方法．该方法首先引入一种由三焦点确定的适于宽角度扫描的新型口径面相位分布；其次利用混合粒子群算法对该相位分布进行优化以降低方向图旁瓣；最后在优化结果的基础上，采用移动馈源技术实现天线的波束扫描．为了验证设计方法的有效性，设计加工了一副Ku波段、口径面直径为17λ₀的圆极化波束扫描反射阵天线．天线仿真与实测结果吻合，在52°扫描范围内旁瓣均小于-18dB，且带宽达到108％(1dB增益带宽和3dB轴比带宽重叠区域)．

关键词: 波束扫描, 反射阵, 三焦点, 混合粒子群算法

Abstract:

For the aim of designing a wide-angle low sidelobe beam scanning microstrip reflectarray antenna, a new design method based on a new aperture phase distribution of three focuses is proposed. This method introduces a new phase distribution determined by three focuses for wide-angle beam scanning firstly. Then the aperture phase distribution is further optimized by the hybrid particle swarm algorithm to reduce the side lobe level of the pattern. Based on the optimization, the antenna realizes beam scanning by use of a moving feed. In order to verify the effectiveness of the design method, a Ku-band circular polarized beam scanning reflectarray antenna is designed and fabricated. The measured results agree well with the simulated ones, with the side lobe level being below -18dB within the scan range of 52°and the band reaching 108％(the overlapping 3dB axial-ratio (AR) and 1dB gain bandwidth).

Key words: beam scanning, reflectarray antenna, three focuses, hybrid particle swarm optimization algorithm

陈宏伟;张广求;雷雪;吴君默;孙武剑. 波束扫描微带反射阵天线设计[J]. J4, 2015, 42(6): 173-178.

CHEN Hongwei;ZHANG Guangqiu;LEI Xue;WU Junmo;SUN Wujian. Design of the beam scanning microstrip reflectarray antenna[J]. J4, 2015, 42(6): 173-178.

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波束扫描微带反射阵天线设计

Design of the beam scanning microstrip reflectarray antenna

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