Abstract The TWOSTEP algorithm is examined for the case where the centered portion of the negative-log-likelihood function provides incomplete observability of the magnetometerbias vector. In those cases where the full negative-log-likelihood function provides a complete estimate, the TWOSTEP algorithm can be modified to provide an estimate of all three components of the magnetometer bias vector. However, the procedure leads to a discrete degeneracy of the estimate which can be resolved only by explicit evaluation of the negative-log-likelihood.


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    Titel :

    Centering and Observability in Attitude-Independent Magnetometer-Bias Determination


    Beteiligte:


    Erscheinungsdatum :

    2003




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    Lokalklassifikation TIB:    770/7040
    BKL:    55.60 Raumfahrttechnik



    Centering and Observability in Attitude-Independent Magnetometer-Bias Determination

    Alonso, Roberto / Shuster, Malcolm D. | Springer Verlag | 2003



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    Attitude-Independent Magnetometer-Bias Determination: A Survey

    Alonso, Roberto / Shuster, Malcolm D. | Springer Verlag | 2002