RADAR

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'''RADAR''' (an acronym for '''RA'''dio '''D'''etection '''A'''nd '''R'''anging) is a [[sensor]] system that uses electromagnetic rays to detect objects, identify them, and determine their velocity. RADAR was first introduced during the [[World War II|Second World War]].
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'''RADAR''' (an acronym for [[Radio|'''RA'''dio]] '''D'''etection '''A'''nd '''R'''anging) is a [[sensor]] system that uses electromagnetic rays to detect objects, identify them, and determine their velocity. RADAR was first introduced during the [[World War II|Second World War]].
  
 
RADAR can operate in an active mode, generating pulses of radio waves, receiving echoes reflected from objects they strike, and analyzing the echoes to determine the characteristics of the objects that reflected the initial pulses.
 
RADAR can operate in an active mode, generating pulses of radio waves, receiving echoes reflected from objects they strike, and analyzing the echoes to determine the characteristics of the objects that reflected the initial pulses.

Revision as of 15:27, 29 October 2012

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