Research/Patents/US 4989186
US 4989186

TARGET TRACKING SONAR WITH FALSE TARGET DETECTOR

Assignee

UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY,THE

Filed

Aug 16, 1982

Granted

Jan 29, 1991

Location

Arlington VA (defense contractors)

Abstract

A target tracking sonar system 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.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 1, 1985

Rescinded

Sep 20, 1990

Duration

5 years, 6 months

Inventor

  • 1DENNIS W. RICKER

Sensitive facility: Arlington VA (defense contractors)

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records