Report discusses determination of effective densities of electrically charged particles along paths of microwave signals transmitted to and from spacecraft and use of those densities to calibrate measured signal-propagation times, used to compute distances between ground stations and spacecraft. Oriented toward selection of method of calibration optimal with respect to three criteria: minimization of range error and of root-mean-square uncertainty in range error; minimization of amount, complexity, and/or cost of equipment; and capability of calibrating changes in group velocities of signals on ranging channel.


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    Title :

    Charged-Particle Calibration Of Spacecraft-Ranging Signals


    Contributors:

    Published in:

    Publication date :

    1992-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English