反射阵天线（Reflectarray Antenna）设计方法简述

摘要

反射阵天线（Reflectarray Antenna，下文简称RA）做为相控阵与传统抛物面天线相结合的一种新型天线形式，一般结构如下图所示。

理论计算

阵列单元相位补偿公式如下

选择合适的阵元尺寸

根据目标相位分布利用一些简单的计算程序得到能够满足目标相位分布的每个位置的单元尺寸，使得整体相位误差最小。
相位误差分布

HFSS自动化建模

参考文献

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[6]：反射阵天线