Ka-band ranging provides the phase center (PC) to phase center range, which needs to be converted to the center of mass (CM) to center of mass range. Nominally, both PC and CM lie on the line connecting the spacecraft GRAIL A and GRAIL B. In this case, the conversion should be done simply by adding the CM-to-PC distance L to the measured range for both spacecraft. However, due to various technical reasons, such as displacement of the true CM from its nominal position in the SRF, or spacecraft attitude fluctuations, the PC and CM define a unit vector that may be different from the nominal line of sight. The objectives of the software are to determine the actual line of sight direction for each spacecraft and correct the previously recorded range data, and to provide instructions for how to maneuver each spacecraft to make necessary attitude corrections.


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    Titel :

    Kalman Filter Input Processor for Boresight Calibration


    Beteiligte:
    Strekalov, Dmitry (Autor:in) / Kruizinga, Gerhard (Autor:in) / Paik, Meegyeong (Autor:in) / Yuan, Dah-Ning (Autor:in) / Asmar, Sami W. (Autor:in)


    Erscheinungsdatum :

    01.01.2014


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch






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