+A **Radar System** uses [radio waves](/wiki/radio_waves) to sense its surroundings. It emits pulses that, upon reflecting off objects, allow for [detection](/wiki/detection) of their range, speed, and direction, painting an unseen world.
+## See also
+- [Sonar](/wiki/sonar)
+- [Lidar](/wiki/lidar)
+- [Antenna](/wiki/antenna)
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