Smoothing as a way to improve the carrier phase estimation is proposed and analyzed. The performance of first-and second-order Kalman optimum smoothers are investigated. This perfomance is evaluated in terms of steady-state covariance error computation, dynamic tracking, and noise response. It is shown that with practical amounts of memory, a second-order smoother can have a position error due to an acceleration or jerk step input less than any prescribed maximum. As an example of importance to the NASA deep space network (DSN), a second-order smoother can be used to track the Voyager spacecraft at Uranus and Neptune encounters with significantly better performance than a second-order phaselocked loop.


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    Titel :

    Improved Carrier Tracking by Smoothing Estimators


    Beteiligte:
    Pomalaza-Raez, C.a. (Autor:in) / Hurd, W.J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.09.1985


    Format / Umfang :

    1459548 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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