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Relationship between Kalman and notch filters used in dynamic ship positioning systems

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1 Author(s)
Grimble, M.J. ; Sheffield City Polytechnic, Department of Electrical & Electronic Engineering, Sheffield, UK

In dynamic ship positioning systems notch filters have been used mainly to remove the unwanted wave motion signals. Recently, Kalman filters have been introduced for this purpose. It is demonstrated that for this application the stationary Kalman filter is approximated by a notch filter together with a low-pass filter in cascade.

Published in:

Electronics Letters  (Volume:14 ,  Issue: 13 )