Radarsat雷达卫星,加拿大地球资源卫星radarn.雷达radar jamming effect雷达干扰效果Radar signal receiver雷达信号接收机Radar Control Officer雷达控制官radar cross-section雷达截面积Radar Address Counter雷达地址计数器radar storm detection雷达风暴探测radar mobile position雷达机动阵地radar operating range雷达工作范围radar service vehicle雷达修理车Radar Assembly Spaces雷达装配空间