The definition of radar is a detection system that uses radio waves to determine the presence of objects. A radar system consists of a radio or microwave transmitter, and a receiver. Radio or microwaves making their way from the transmitter to the receiver are disturbed by any objects in between, creating a unique signature of that object within the wave.
Synonyms:
microwave, microwave radar, Radio Detection And Ranging, radar beams, sensor beams
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