Tracking accuracies for the radial component of motion are computed for a track-while-scan radar system which obtains position and rate data during the dwell time on a target These results will be of interest to persons developing trackers for pulse Doppler surveillance radars. The normalized accuracies, computed for a two state Kalman tracking filter with white noise maneuver capability, are shown to depend upon two parameters, r = 4σ0/σaT2 and s = σdT/σ0. The symbols σ0 and σd are the position and rate measurement accuracies, respectively, σa is the standard deviation of the white noise maneuver process and T is the antenna scan time. The scalar tracking filter equations are derived and numerical results are presented. Lower steady state tracking errors plus the earlier attainment of steady state accuracies are the direct consequence of incorporating the rate measurements into the tracking filter.


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    Titel :

    Tracking Accuracies with Position and Rate Measurements


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1981-05-01


    Format / Umfang :

    1228805 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch