2023年第45卷第4期第26页文章编号：1005-7277(2023)04-0026-04电气传动自动化ELECTRICDRIVEAUTOMATION北斗多频小型化导航终端天线设计与实现Vol.45,No.42023,45(4):26~29杨晓杰（福州福大信捷天线技术有限公司，福建福州350108）摘要：卫星导航定位对于国家安全、经济和社会发展具有重要意义，具备多导航系统的导航终端竞争力更强。天线在导航终端中起到决定性作用，为满足多系统兼容性的基本需求，必须要保证能够同时实现多频特性和两种圆极化特性。本文设计了一款北斗多频段的小型化导航终端天线，采用堆叠结构实现多频段覆盖，通过配置中心对称的金属过孔来提高端口隔离度，在天线底层介质四周配置金属贴片来提高低仰角增益，并利用高介电常数的介质基板实现小型化。经过测试验证，本文所设计的终端天线满足设计要求。关键词：多频；小型化；终端天线中图分类号：TN82;TP273BeiDouMulti-FrequencyMiniaturizedNavigationTerminalAntenna(FuzhouFudaXinjieAntennaTechnologiesCo.,Ltd,Fuzhou350108,Fujian,China)Abstract:Theroleofsatellitenavigationandpositioninginnationalsecurity,economicandsocialdevelopmentisbecomingmoreandmoresignificant,andnavigationterminalsthatarecompatiblewithmultiplenavigationsystemsaremorecompetitive.Asanimportantcomponentofthenavigationterminal,theantennaneedstorealizemulti-frequencycharacteristicsandtwocircularpolarizationcharacteristicsatthesametimeinordertomeetmulti-systemcompatibility.Inthispaper,wedesignamulti-bandminiaturizednavigationterminalantennaforBeiDou,adoptingastackedstructuretoachievemulti-bandcoverage,settingacentralsymmetricmetalperforationtoimproveportisolation,setingametalpatcharoundtheantennabottomdielectrictoimprovelowelevationgain,andusingadielectricsubstratewithhighdielectricconstanttoachieveminiaturization.Aftertestingandverification,theterminalantennadesignedinthispapermeetsthedesignrequirements.Keywords:Multi-Frequency;Miniaturization;TerminalAntenna文献标志码：ADesignandImplementationYANGXiaojie北斗导航系统功能强大，能实现基于短报文通信的有源定位,以及无源定位功能[1,2]。北斗导航终端为了能够更加精确稳定的定位以及实现短信通信服务，将北斗一代和北斗二代的系统进行兼容是必然的趋势[3.4]。由于...
