Ka频段阵列天线的去耦结构设计  

Design of Ka band array antenna decoupling structure

作　　者：周媛 江肖力[1] 韩威 魏浩 ZHOU Yuan;JIANG Xiaoli;HAN Wei;WEI Hao(The 54th Research Institute,China Electronics Technology Group Corporation,Shijiazhuang Hebei 050081,China)

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《太赫兹科学与电子信息学报》2021年第2期281-285,共5页Journal of Terahertz Science and Electronic Information Technology

摘　　要：设计了一种应用于Ka频段的新型去耦结构,分析该结构去耦效果。通过建立“d”形共面紧凑型电磁带隙(UC-EBG)结构的等效电路模型,化简分析得到其带阻滤波特性。基于保角变换和椭圆积分计算去耦结构的分布参数,等效电路仿真结果与去耦结构仿真相一致。将该去耦结构用于阵列天线,提高了阵元间的隔离度,降低了阵元互耦效应。The purpose of this paper is to design a new type of decoupling structure for Ka band and to analyze the decoupling effect of this structure.The equivalent circuit model of the“d-shaped”Uniplanar Compact Electromagnetic Band Gap(UC-EBG)structure is established,and its band-stop filter characteristics are obtained through simplified analysis.The distribution parameters of the decoupling structure are calculated based on the conformal transformation and elliptic integral calculation.The simulation results of the equivalent circuit are consistent with the simulation of the decoupling structure.Applying this decoupling structure to the array antenna improves the isolation between array elements and reduces the mutual coupling effect of array elements.

关 键 词：阵列天线 玻璃介质基板 去耦 等效电路 

分 类 号：TN82[电子电信—信息与通信工程]