…a system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of radio waves which are reflected off the object back to the source…
…a handheld device used by traffic police to estimate the speed of a passing vehicle…
…an area of road in which radar is used by the police to detect vehicles exceeding a speed limit…
…a radar tracking system using the Doppler effect to determine the location and velocity of a storm, clouds, precipitation, etc.…
…the branch of astronomy that uses radar to map the surfaces of planetary bodies in the solar system…
…muchos inventos modernos, (tales) como el radar ……
