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A wideband circularly polarized antenna with an AMC reflector for navigation satellite systems

机译:带有AMC反射器的宽带圆极化天线,用于导航卫星系统

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摘要

A wideband, high-efficient, circular polarized (CP) antenna for navigation satellite system is presented. The operating frequency range of the antenna is from 1.34 GHz to 1.73 GHz and it can be used for both the Global Positioning System (GPS) and the BeiDou Navigation Satellite System (BDS). The antenna is composed of a CP crossed bowtie dipole over a finite artiflcal magnetic conductor (AMC) reflector. The wideband is obtained by the original band of bowtie structure and is expanded by the surface wave propagating on the finite AMC. The antenna composes of an inverted, rotary table, cavity backed reflector, crossed bowtie dipole structure, AMC reflector, together with a single feed port.
机译:提出了一种用于导航卫星系统的宽带高效圆极化(CP)天线。天线的工作频率范围是1.34 GHz至1.73 GHz,可用于全球定位系统(GPS)和北斗导航卫星系统(BDS)。天线由在有限的人工磁导体(AMC)反射器上的CP交叉领结偶极子组成。宽带由领结结构的原始带获得,并由在有限AMC上传播的表面波扩展。天线由一个倒置的旋转工作台,背腔式反射器,交叉的领结偶极子结构,AMC反射器以及一个馈电端口组成。

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