无线电波探测 meaning in English

radio-wave sounding

Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters , such as distance , azimuth , angle of elevation , velocity , by transmitting radio wave . in national economy , it is used in navigation , weather forecast , geological mapping , military affairs and so on
雷达利用发射的无线电波探测空间中的物体并确定其距离、方位角、仰角、速度等各项参数，广泛应用于导航、气象预报、地质测绘、军事等领域。