【作者】 王晓川； 吕文中；

【Author】 Wang Xiaochuan;Lu Wenzhong;Dept.of Electronic Science and Technology,Huazhong University of Science and Technology;Key Laboratory of Functional Materials for Electronic Information(B),Ministry of Education;

【机构】 华中科技大学电子科学与技术系； 教育部电子信息功能材料重点实验室(B类)；

【摘要】 本文使用FDTD方法分析了影响单点馈电叠层微带贴片天线匹配性能的结构参数,分析了天线的三种工作模式,并总结出三种改善天线双频匹配特性的方法,解决了天线两个频段不能同时达到最佳匹配的问题。最终,采用微波介质陶瓷材料制备了一种耐高温、具有一定机械强度,能够满足飞行器上苛刻使用要求的双频圆极化天线,其频带覆盖第二代北斗卫星导航系统B3频段和GPS L1频段。更多还原

【Abstract】 In this paper,the effects of geometric parameters on the dualband matching performance of the stacked microstrip antenna are investigated by FDTD method. Three operational modes are studied and methods which can improve the matching properties of the dualband antenna are introduced. Then a dualband circularly polarized microstrip antenna with high temperature resistant behavior and high mechanical strength is fabricated using microwave dielectric ceramics. The bandwidth of the antenna covers GNSS B3 and GPS L1 bands.更多还原