Report discusses two types of proposed laser systems containing active transponders measuring distance (range) and line-of-sight velocity (via Doppler effect) between deep space vehicle and earth-orbiting satellite. Laser system offers diffraction advantage over microwave system. Delivers comparable power to distant receiver while using smaller transmitting and receiving antennas and less-powerful transmitter. Less subject to phase scintillations caused by passage through such inhomogeneous media as solar corona. One type of system called "incoherent" because range and Doppler measurements do not require coherence with laser carrier signals. Other type of system called "coherent" because successful operation requires coherent tracking of laser signals.


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    Titel :

    Laser Doppler And Range Systems For Spacecraft


    Beteiligte:
    Kinman, P. W. (Autor:in) / Gagliardi, R. M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1990-02-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Spacecraft Doppler Experiments

    Iess, L. / Armstrong, J. W. | British Library Conference Proceedings | 1997