An important aspect of traffic safety is the development of aids that extend the driver's time and motion perception. One promising candidate is the compact, lightweight millimeter-wave FM-CW radar now being widely studied. Although the homodyne FM-CW radar is well known for its simplicity, it has a relatively low S/N ratio. This paper describes the principles behind our newly developed heterodyne FM-CW radar and its evaluation results. The heterodyne FM-CW radar generates sidebands by switching a front-end amplifier and also uses the heterodyne detection technique for gaining sensor sensitivity. The heterodyne FM-CW radar's signal to noise ratio was 19.5 dB, better than previously designed homodyne FM-CW radar.


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    Titel :

    Automotive FM-CW radar with heterodyne receiver


    Weitere Titelangaben:

    Kraftfahrzeug-Frequenzmodulation-Dauerstrichradar mit Überlagerungsempfänger


    Beteiligte:
    Saito, T. (Autor:in) / Ninomiya, T. (Autor:in) / Isaji, O. (Autor:in) / Watanabe, T. (Autor:in) / Suzuki, H. (Autor:in) / Okubo, N. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1996


    Format / Umfang :

    7 Seiten, 10 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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