Cars with electronically controlled all wheel drive, antiblocking systems or anti slip control need speed sensors, measuring True Speed Over Ground (TSOG). By comparing wheel speed and TSOG-value, informations about blocking or slipping rates are obtained. In this paper a Doppler radar sensor for TSOG-measurements is presented, based on millimeter-wave frontends and digital processing of baseband signals. For the estimation of the doppler frequency an FFT-based method extended by sensor model based algorithms for postprocessing is used. Measurement results will be given showing excellent system performance even under adverse environmental conditions.


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    Title :

    Automobile doppler speedometer


    Additional title:

    Doppler-Geschwindigkeitsmessung bei Kraftfahrzeugen


    Contributors:


    Publication date :

    1993


    Size :

    4 Seiten, 5 Bilder, 3 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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