A CO2 laser Doppler detection system has been developed to measure remotely the true airspeed of an aircraft. The system uses a 50-W sealed-off CO2 laser in a homodyne detection system employing a collinear optical telescope, a HgCdTe detector, and a frequency tracking loop. The system was successfully flight-tested on a NASA Convair 990 research aircraft during December 1971 and June 1972. The results indicate that an airspeed measurement under clear weather conditions is feasible up to an altitude of 3000 m with an error of less than 0.5%.-


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    Titel :

    Airborne laser Doppler velocimeter


    Beteiligte:
    Munoz, R. M. (Autor:in) / Mocker, H. W. (Autor:in) / Koehler, L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.12.1974


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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