平面反射阵列天线相移特性分析  

Analysis of the Reflection Phase Property about Reflectarray Antenna

作　　者：李亚峰[1] 谢拥军[1] 杨锐[1] 岳亮[1] 

机构地区：[1]西安电子科技大学天线与微波技术国家重点实验室,西安710071

出　　处：《电子器件》2009年第3期682-684,688,共4页Chinese Journal of Electron Devices

基　　金：国家自然基金资助(60771040)

摘　　要：本文中采用十字交叉振子为单元分析其移相特性。利用Floquet模展开分析了任意平面波照射下的交叉振子阵列的场分布,计算出其反射系数的相位变化情况。通过数值仿真,分别给出了在不同介质、介质厚度以及入射角度下,详细对比了相位对于振子长度的变化曲线,有助于反射阵列天线的精确设计。The reflection phase property of reflectarray antenna with crossed dipoles is discussed. The reflectarray antenna with crossed dipoles backed by a solid metal ground plane is analyzed with Floquet method, and the reflection phase of the antenna is numerically computed. The reflection phase versus the length of crossed dipoles is discussed, when varying the substrate thickness, relative dielectric permittivity and scanning angle of the incident RF energy. The results presented in this paper make great help in the precise design of reflectarray antenna.

关 键 词：交叉振子 Floquet模 反射阵列 反射相移 

分 类 号：TN821.8[电子电信—信息与通信工程]