radar, electromagnetic sensor used for detecting, locating, tracking, and recognizing objects of various kinds at considerable distances . It operates by transmitting electromagnetic energy toward objects, commonly referred to as targets, and observing the echoes returned from them.
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Simultaneously, radar is also utilized in civilian applications particularly in controlling air traffic, observation of weather, navigation of ship, environment, sensing from remote areas, observation of planetary, measurement of speed in industrial applications, space surveillance, law enforcement , etc.
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