European work in coherent laser radar with 10 mu m and shorter wavelength lasers is reviewed. Fundamental aspects include heterodyne studies of signal statistics and fluctuations, and detailed experimental and theoretical work on signal amplification and autodyne arrangements with light reinjected into the laser cavity. Progress with lasers, detectors, and modulators has led to the development of several compact robust field systems both continuous-wave and pulsed. Various ground-based programs are described including local wind field measurement and wake vortex investigation at airfields, and study of range, image, and Doppler shift of hard targets. Airborne systems have investigated avionics problems of true airspeed, pressure error, and wind shear warning. Other airborne studies include ground imaging, obstacle warning, terrain following, and a compendium of atmospheric backscattering over the North and South Atlantic. In recent years, the European Space Energy has supported studies and technology development for a space-borne wind lidar in the Atmospheric Laser Doppler Instrument (ALADIN) program.


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    Titel :

    Coherent laser radar in Europe


    Weitere Titelangaben:

    Kohärentes Laserradar in Europa


    Beteiligte:
    Vaughan, J.M. (Autor:in) / Steinvall, K.O. (Autor:in) / Werner, C. (Autor:in) / Flamant, P.H. (Autor:in)

    Erschienen in:

    Proceedings of the IEEE ; 84 , 2 ; 205-226


    Erscheinungsdatum :

    1996


    Format / Umfang :

    22 Seiten, 125 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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