天线方向性图
antenna pattern
radiation pattern
antenna directivity diagram
antenna radiated pattern
pattern of antenna
diagram
antenna directivity
超方向性阵列天线
superdirective array antenna
天线垂直方向性函数
antenna vertical directional pattern
天线方向特性
antenna directional characteristics
俯仰向天线方向图在轨测试
In-orbit determination of antenna elevation patter