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- Radar stands for Radio Detection and Ranging System.
- Used to detect and locate objects like an aeroplane, missile, ships, etc.
- Radar uses electromagnetic waves radiated by an antenna in all directions when a signal strikes an object, it gets reflected.
- This reflected signal is received by a radar antenna and fed to the receiver.
- The range is calculated by time taken to reflect from the target object.
Application of Radar
- Used in the military to detect the target.
- Used in navigation systems such as ship-borne surface search, air search and weapons guidance systems.
- To measure precipitation rate and wind speed in meteorological observations.
- Employed to locate and rescue people in emergency situations.
