测试技术学报2025，Vol.39Issue(6)：737-744,8.DOI:10.62756/csjs.1671-7449.2025082
基于超表面的宽带低剖面圆极化天线
Broadband Low-Profile Circularly Polarized Antenna Based on Metasurface
摘要
Abstract
A broadband low-profile circularly polarized slot antenna based on a metasurface is proposed for C-band satellite communication.The antenna integrates a polarization-converting metasurface,composed of 16"Z"-shaped units arranged in a 4×4 periodic array,with a slot antenna.By loading the metasurface onto the slot antenna,linearly polarized waves generated by the slot antenna are converted into circularly polarized waves,enabling efficient polarization conversion.To validate the design,a prototype with dimensions of 0.59λ0×0.59λ0×0.076λ0(where λ0 denotes the free-space wavelength at 5.2 GHz)was fabricated and experimentally characterized.Measurement results demonstrate a-10 dB impedance bandwidth of 45.8%(3.99～6.36 GHz),a 3 dB axial ratio bandwidth of 24.7%(4.93～6.32 GHz),and a peak gain of 6.05 dBi.The experimental results exhibit excellent agreement with simulations,confirming the effectiveness of the proposed antenna design for broadband and low-profile applications in satellite communication systems.关键词
超表面/低剖面/宽带/圆极化Key words
metasurface/low-profile/broadband/circular polarization分类
信息技术与安全科学引用本文复制引用
牛旭印,尤政,武广乾,王少锋..基于超表面的宽带低剖面圆极化天线[J].测试技术学报,2025,39(6):737-744,8.基金项目
山西省基础研究计划项目(202303021212002) （202303021212002）
