Successful fixed-point, variable word length simulations of onboard orbit determination have been performed using horizon scanner as basic sensor; seemingly difficult scaling problems associated with such operations have been overcome using small number of carefully chosen independent scale factors; numerical errors have been reduced by judicious selection and manipulation of form of system equations; it was found that word lengths as low as 22 bits permitted orbit determination for three orbits with errors that were only slightly larger than those obtained using double-precision floating-point computation.


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    Titel :

    Fixed-point simulation of onboard orbit determination


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:
    Gunckel II, T.L. (Autor:in) / Elsey, J.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1967


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    FIXED POINT SIMULATION OF ONBOARD ORBIT DETERMINATION

    GUNCKE, T. / ELSEY, J. | AIAA | 1966





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