radio detection and ranging(n = noun.artifact) microwave radar, radar, radiolocation - measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects;
is a kind of measuring device, measuring instrument, measuring system
has parts: dish, dish aerial, dish antenna, saucer, cathode-ray oscilloscope, cro, oscilloscope, scope, pulse generator, wave guide, waveguide
has particulars: doppler radar, early warning radar, 3d radar, three-dimensional radar, weather radar

clock radio, detection, explosive detection system, explosive trace detection, father of radio, omnidirectional radio range, push-button radio, quasi-stellar radio source, radio, radio aerial, radio announcer, radio antenna, radio astronomy, radio beacon, radio beam, radio brightness, radio broadcast, radio chassis, radio compass, radio control, radio emission, radio frequency, radio interferometer, radio link, radio news, radio noise, radio observation, radio operator, radio radiation, radio receiver, radio reflector, radio set, radio signal, radio source, radio spectrum, radio station, radio technician, radio telescope, radio transmitter, radio wave, ranging, ranging pole, ship-towed long-range acoustic detection system, signal detection, sound ranging