Target Tracking Sonar with False Target Detector.
Patent, Filed 16 Aug 82, patented 29 Jan 91,
DEPARTMENT OF THE NAVY WASHINGTON DC
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A target tracking sonar associated with a moving platform incorporates a Kalman filter model and a false target detection capability characterized by comparison of the estimated and actual acceleration to produce an error value which, if greater than a predetermined threshold, namely the product of one half the estimated acceleration and the internal between periodic acceleration updates, generates a signal condition to flag the false target. Author
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