双圆极化反射单元的设计与分析

Design and Analysis of Dual Circular Polarization Reflect Unit

圆极化选择表面(Circular Polarization Selection Surface,CPSS)作为一种空间滤波器,对工作在同一频率下的不同圆极化电磁波具有极化选择特性,被广泛应用于极化分集天线系统的设计中。文中提出了一种基于三维CPSS的双圆极化反射单元,工作在同一频段,利用弯折印刷金属条带实现了CPSS单元的小型化,并提出了正交插接加工方式,简化了制造、装配的难度,在卫星通信领域具有良好的应用前景。

Circular Polarization Selection Surface(CPSS),as a spatial filter,is widely used in the design of Polarization diversity antenna systems because of its selectivity for different circularly polarized electromagnetic waves operating at the same frequency.In this paper,a dual circularly-polarized reflect unit based on a three-dimensional frequency selective surface is presented,which operates in the same frequency band.It realized the miniaturization of CPSS unit by bending printed metal strips,and proposes the orthogonal splicing method,which simplifies the difficulty of processing and assembly,offering promising prospects in satellite communication applications.