Laser radar provides better spatial resolution than millimeter-wave radar (MWR) due to the high directivity of the laser beam. However, commercial in-car laser radar approximates the target speed by a range differentiation method, which has the problems of excessive time consumption and the introduction of large errors. In this paper, a new Doppler laser radar scheme for simultaneously measuring target range and speed in automotive applications is presented. The scheme includes a new laser radar architecture, a new method to modulate the transmitted signal, and a method for calculating the range and speed from the signal returned from the target. The length of the transmitted signal is several microseconds, giving the possibility of realizing a high scan speed in automotive applications. In addition, simulations based on Simulink/Matlab were carried out to validate the proposed scheme. Finally, an experimental demonstration of simultaneous range and speed measurements was performed. The moving target for the experiment was a highly reflecting sheet attached to an electric grinder.


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    Titel :

    Demonstration of In-Car Doppler Laser Radar at 1.55 $ \mu\hbox{m}$ for Range and Speed Measurement


    Beteiligte:
    Mao, Xuesong (Autor:in) / Inoue, Daisuke (Autor:in) / Matsubara, Hiroyuki (Autor:in) / Kagami, Manabu (Autor:in)


    Erscheinungsdatum :

    01.06.2013


    Format / Umfang :

    873882 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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