太赫兹科学与电子信息学报2026，Vol.24Issue(4)：449-456,8.DOI:10.11805/TKYDA2025257
一种双极化宽带宽角扫描相控阵天线
A dual-polarized wideband wide-angle scanning phased array antenna
胡龙生 1杜国宏 1陈军全1
作者信息
- 1. 成都信息工程大学 电子信息工程学院,四川 成都 610225
- 折叠
摘要
Abstract
A dual-polarized broadband wide-angle two-dimensional scanning phased array antenna in C-band is designed using dual-polarized slot-coupled cross-fed stacked antenna elements.The antenna element employs an orthogonal layered feeding method to separate horizontal and vertical polarization feeds,achieving square metal patch excitation and low cross-polarization characteristics through non-contact slot coupling.The operating bandwidth is effectively extended through parasitic patches.Based on the mirrored array arrangement method,mutual coupling between antenna elements is effectively canceled,improving the cross-polarization characteristics of the antenna array.Metal shielding vias are introduced around the antenna elements to reduce inter-element crosstalk during beam scanning and enhance beam scanning performance.A 4×4 phased array antenna prototype was fabricated and measured.Simulation and measurement results show that the antenna achieves a-10 dB impedance bandwidth of approximately 1 GHz.Within the operating frequency band,the cross-polarization level is below-40 dB.At 3.95 GHz,with a beam scanning range of±60°,the antenna gain degradation is 3 dBi in both the E-plane and H-plane.关键词
相控阵/端口隔离度/低交叉极化/波束扫描Key words
phased array/port isolation/low cross-polarization/beam scanning分类
信息技术与安全科学引用本文复制引用
胡龙生,杜国宏,陈军全..一种双极化宽带宽角扫描相控阵天线[J].太赫兹科学与电子信息学报,2026,24(4):449-456,8.
