Research & information: general 5 Biology, life sciences 4 Adaptive filtering 3 Adaptive filters 3 Clutter (information theory) 3 Covariance matrix 3 History of engineering and technology 3 Kalman filter algorithms 3 Kalman filters 3 Marine radar 3 Measurement Noise 3 Position 3 Radar measurement 3 Radar target tracking 3 Sage-Husa adaptive Kalman filters 3 Sage-husa 3 Sage–Husa adaptive Kalman filter 3 Square root sage–husa adaptive robust kalman filter 3 Square-root 3 Surface target 3 Target tracking 3 Targets tracking 3 Tracking radar 3 Vehicles 3 White noise 3 position 3 square root Sage–Husa adaptive robust Kalman filter 3 target tracking 3 unmanned surface vehicle 3 velocity 3