宽带加脊喇叭天线
broadband ridged horn antenna
双脊喇叭天线
double ridged horn-shaped antenna
double-ridged horn antenna
double-ridged horn
四脊圆喇叭天线
quadruple-ridged circular horn antenna
电阻加载线天线
Linear antenna loaded by lumped resistors
螺线脊加速器
spiral ridged accelerator