加载非均匀超表面的车载卫星通信透明天线阵列

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中图分类号：TN828.5 文献标志码：A文章编号：1003-3114（2025）04-0678-10

doi：10.3969/j. issn.1003-3114.2025.04.003

Abstract：Atransparentmetasurfaceantennaarayforvehicle windowglassisproposed tomeettheneedsof vehicle-mounted satelitecommunication.Comparedwithtraditionalmetasurfaceantennaarraytheproposedarraysignificantlyenancesbadwidth andimprovesgain performance byloadinganon-uniform metasurfaceona microstrippatch antennaandutilizing polarizationconversioncharacteristcsandmutioderesonanecharacteristicsofon-unifommetasuface.Aone-to-foursequentialotatingfeedet work is designed to be combined with the metasurface antenna to construct a 2×2 antenna array，and the effects of array element spacingandarraybendingontheperformanceoftheantennaarrayarealsoanalyzed.Theantennaarryispreparedbyusingmicro copper esh asconductorandPoly Ethylene Terephthalate （PET）as substrate，and simulationandexperimentalresultsshowthat theantennaarray'simpedance and Axial Ratio（AR）bandwidths are 1.74～2.31 GHz and 1 1.89～2.31 GHz，respectively，and the gaininthefrequencybandis13.dBipeak.TheperformanceofthearrymtsthedemandofS-bandsatelitecommunicationater bending thearrysurface.Theproposedantennarryischaracterizedbyhighgain，CircularPolarization（CP），transparencyand conformality.

Keywords：vehicle-mountedantenna；satelitecommunications；transparent antenna;antennaarray；metasurfaceantenas；nonuniform metasurface structure

0 引言

近年来，随着无线通信技术的快速发展，汽车的智能化水平得以不断提升，其各种智能功能的实现对通信技术提出了更高要求。（剩余13139字）