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<p>The Kalman filter is used to provide estimates of the position and velocity of a storm based upon observation of the storm's longitude and latitude. Nonstationary noise is shown to degrade the performance of the filter and cause tracking divergence. Time varying values for the noise covariance matricies R and Q, and the addition of an external forcing function to the filter, effectively compensated for this tracking error. Results for the simulations show significant performance advantages of using an external forcing function in the system.
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<br>Subjects: Electrical engineering; Cyclones; Latitude; Longitude; Storms; Weather forecasting; Tropics.; Kalman Filter; path prediction of cyclones; Turkey</div>
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Taskin, Dogan</div>
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