Electronic countermeasures

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Stealth is a type of countermeasure designed to keep a vehicle from showing up on enemy sensors.  The principals of stealth are to minimize reflections from active sensor systems and to minimize emissions that might be detectable to passive sensor systems.
 
Stealth is a type of countermeasure designed to keep a vehicle from showing up on enemy sensors.  The principals of stealth are to minimize reflections from active sensor systems and to minimize emissions that might be detectable to passive sensor systems.
  
As an example, modern stealth aircraft are made of materials that absorb the electromagnetic waves emitted by [[RADAR]] systems, reducing the amount of energy they reflect.  Furthermore, the fuselage of a stealth aircraft is carefully shaped to keep whatever energy does reflect from bouncing directly back toward its source.  With its own RADAR system turned off, a stealth aircraft can have RADAR profile smaller than that of a bird.
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As an example, modern stealth aircraft are made of materials that absorb the electromagnetic waves emitted by [[RADAR]] systems, reducing the amount of energy they reflect.  Furthermore, the fuselage of a stealth aircraft is carefully shaped to keep whatever energy does reflect from bouncing directly back toward its source.  With its own RADAR system turned off, a stealth aircraft can have a RADAR profile smaller than that of a bird.
  
 
==Jamming==
 
==Jamming==

Revision as of 18:03, 20 May 2009

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