平板裂缝天线子阵激励装置设计及带宽分析

Design and Bandwidth Analysis of Subarray Excited Devices for Planar Array Antenna

子阵激励装置的带宽特性对平板裂缝天线的波瓣带宽和驻波带宽有着重要影响。本文针对目前国内外常用的各种子阵激励形式的带宽特性作了一些分析 ,并给出了其中几种子阵激励形式的设计计算。文中主要讨论、分析了几种子阵激励装置的相位带宽和驻波带宽 ,并给出了相应的仿真结果和实验验证结果 ,为工程应用提供了设计参考。

The bandwidth characteristics of subarray excited devices have important influence on the beam bandwidth and VSWR bandwidth of a planar array antenna. This paper analyses bandwidth characteristics of each subarray excited forms in common use in home and abroad and describes the designs and the calculations of some subarray excited forms. The phase bandwidth and VSWR bandwidth of some subarray excited forms are discussed and analyaed, and some related simulation results and experiment results are presented. This paper has also offered the design reference for engineering application.