一种低旁瓣微带天线阵的分析与设计

Analysis and Design of A Low-Sidelobe Microstrip Array

本文对低旁瓣角馈方形微带贴片阵天线作了理论与实验研究首先基于腔模理论，用微扰法导出角馈方形微带贴片的谐振频率计算公式，并得出其方向图和交叉极化电平的表示式．

The theoretical and experimental study on low-sidelobe corner-fed square patch array with coplanar feed is presented. Based on the cavity model, firstly the resonant frequency expression of such patch is derived by means of the perturbation method, and its radiation patterns as well as the cross-polarization level are formulated. Then the design principle and experimental results on the resonant array of such patches with coplanar feed are introduced. A H-plane sidelobe level of-26dB has been realized by a design model with 10 ×6 elements.