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circular error probable
(redirected from Circular Error Probability)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
An indicator of the delivery accuracy of a weapon system, used as a factor in determining probable damage to a target. It is the radius of a circle within which half of a missile's projectiles are expected to fall. Also called CEP. See also delivery error; deviation; dispersion error; horizontal error.


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Teseo's GPS accuracy expressed in circular error probability (the radius of a circle that represents a 50% probability of a position lying in that circle) is as low as 2 meters.
For example (but this is true of all rockets of the same type), the unguided 70 mm Hydra-70 produced by General Dynamics Armament Systems has a range of up to 6000 metres, but at that distance the circular error probability is over 100 metres, requiring more than 100 rounds to be fired to achieve a direct hit on a vehicular target.
It utilizes an integrated GPS receiver with an uncorrected derived location range from 5-10 meters and 1-5 meter Circular Error Probability relative locations using standard DGPS corrections.
 
 
 
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