多波束多载波
multiple-beam multiple-carrier
多波束阵列天线
multi-beam array antennas
超声发射波束
transmitting ultrasound beam
拋物线面波束发射
parabolic beam transmission
旋转波束发射机
rotating beam transmitter
综合发射波束
synthetic transmitting beam
EM300多波束系统
EM multibeam echo sounder
地球站多波束天线
earth station multi-beam antenna