电子元件与材料2017，Vol.36Issue(11)：47-51,5.DOI:10.14106/j.cnki.1001-2028.2017.11.009
Ka频段双圆极化相控阵天线设计
Design of Ka-band dual circularly polarized phased array antenna
柏艳英1
作者信息
- 1. 中国西南电子技术研究所,四川 成都 610036
- 折叠
摘要
Abstract
An 8×8 Ka-band dual circular polarization phased array antenna was designed. The antenna elements were multilayer microstrip antennas and each element was coupled fed by two orthogonal slots and consists of a miniaturized broadband 3 dB branch-line coupler (BLC) to achieve dual circular polarization. In order to improve the performance of the circular polarization of the proposed antenna, four elements were rotated in turn to form a 2×2 dual circular polarization sub-array. Based on the 2×2 sub-array, an 8×8 phased array antenna was fabricated. The HFSS simulating results show that the array antenna can scan in the range of 60° and the azimuth of 360° with dual circular polarization. The axial ratio is less than 3 dB and the axial ratio bandwidth is up to 30%. The research of this array antenna can be used for the design of dual circular polarization phased array antenna of satellite communication.关键词
Ka频段/相控阵天线/双圆极化/枝节电桥/旋转阵元技术/卫星通信Key words
Ka-band/phased array antenna/dual circularly polarized/branch-line coupler/rotating array element technique/satellite communication分类
信息技术与安全科学引用本文复制引用
柏艳英..Ka频段双圆极化相控阵天线设计[J].电子元件与材料,2017,36(11):47-51,5.
