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The response of the transfer function of an alpha-beta filter to various measurement models

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2 Author(s)
Gray, J.E. ; Naval Surface Warfare Center, Dahlgren, VA, USA ; Murray, W.

The response characteristics of the alpha-beta filter are used to quantify the filter's performance against different measurement models representing a target's trajectory. The transfer functions for an alpha-beta filter are used to derive closed form (solutions) expressions for smoothed position and velocity outputs for various measurement models. The filter's response to constant velocity targets is found to be the input plus a sinusoidal transient. Constant acceleration measurement models, in addition, yield a steady state bias that is a function of the filter parameters α and β. Finally, the filter's response to a sinusoidal input is determined

Published in:

System Theory, 1991. Proceedings., Twenty-Third Southeastern Symposium on

Date of Conference:

10-12 Mar 1991