An extended Kalman filter is used to process line-of-sight measurements to stars and known landmarks providing a statistical indication of performance in estimating spacecraft attitude, orbital ephemeris, and the bias drift of a set of three strapdown gyros. The landmark measurements were assumed to have been taken from the imagery of an Earth-observing multispectral scanner. It is shown that filtering of these noisy measurements results in highly accurate estimates of the above parameters. Results are given showing the sensitivity of performance to various system parameters such as star tracker accuracy, errors in the knowledge of landmark position, and number of stars and landmarks processed.


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    Titel :

    Attitude and Oribit Estimation Using Stars and Landmarks


    Beteiligte:
    White, R.L. (Autor:in) / Adams, M.B. (Autor:in) / Geisler, E.G. (Autor:in) / Grant, F.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1975-03-01


    Format / Umfang :

    1633127 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Attitude and orbit estimation using stars and landmarks

    White, R.L. / Adams, M.B. / Geisler, E.G. et al. | Tema Archiv | 1975


    Attitude and orbit estimation using stars and landmarks

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