circular error probability

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circular error probability (CEP)

circular error probability (CEP)
The radius of a circle within which half the missiles or projectiles are expected to fall. It is an indicator of the delivery accuracy of a weapon system, used as a factor in determining probable damage to a target. The CEP is expressed as a distance and a clock code from the desired point of impact. Also called circular probable error.
References in periodicals archive ?
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.
In military parlance, that's called circular error probability.
The impact point was well within the Northrop Grumman 20-foot circular error probability projection.