Measurements of impulsive noise radiating from bullet trains running either an upward or downward slope on the New Tokaido Line have been performed with the amplitude probability distribution-crossing rate distribution (APD-CRD) measuring apparatus using vertical dipole antennas. APD and CRD pairs have been simultaneously measured in a narrow bandwidth for some VHF. It is noted that APD's and CRD's change remarkably, depending on whether the bullet train runs an upward or downward slope. Generally, this effect is reduced to the following. These two distributions change remarkably, depending on whether the bullet train runs with or without current feeding the main motors of the vehicles. Models of the two categories of noise are presented; they lead to reasonable agreements between the measured and calculated CRD and/or ADP curves.


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    Title :

    Measurement and analysis of impulsive noise from bullet trains


    Additional title:

    Messung und Analyse des von Hochgeschwindigkeitszuegen herruehrenden Impulsrauschens


    Contributors:
    Nakai, T. (author)


    Publication date :

    1986


    Size :

    11 Seiten, 8 Bilder, 9 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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