The formulation of a recursive maximum likelihood navigation system employing reference position and velocity vectors as state variables is presented. Convenient forms of the required variational equations of motion are developed together with an explicit form of the associated state transition matrix needed to refer measurement data from the measurement time to the epoch time. Computational advantages accrue from this design in that the usual forward extrapolation of the covariance matrix of estimation errors can be avoided without incurring unacceptable system errors. Simulation data for earth orbiting satellites are provided to substantiate this assertion.


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    Titel :

    The epoch state navigation filter


    Beteiligte:
    Battin, R. H. (Autor:in) / Croopnick, S. R. (Autor:in) / Edwards, J. A. (Autor:in)

    Kongress:

    Astrodynamics Specialist Conference


    Erscheinungsdatum :

    01.09.1977


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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