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  • Smoothing GPS data

    Dear colleagues,

    we are looking for a method to smooth GPS data. We measured speed and
    distance of young soccer players with a gps device collecting data at 1
    Hz. Because we want to seperate and analyse different parts of the
    match, we calculate distance and speed from the latitude and longitude
    trackpoints manually. Finally, we have to eliminate/reduce the impact of
    outliers. Averaging three values of the calculated speed and distance
    seems to work fine (at least it is very similar to the values given in
    the software of the manufacturer), but maybe you could provide methods
    superior to averging three values?

    Best regards,
    Mirko Brandes

    --
    Prof. Dr. Mirko Brandes
    Vertretungsprofessor Trainingswissenschaft/Gesundheit/Bewegung
    Universität Lüneburg
    Institut für Freizeitforschung, Spiel und Bewegungserziehung
    Scharnhorststr. 1 01.307
    21335 Lüneburg
    Germany

    phone: +49 4131 677 2792
    Email: mib@leuphana.de
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