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    IR sensor array configuration and signal processing for detecting obstacles in railways

    TitleIR sensor array configuration and signal processing for detecting obstacles in railways
    Publication TypeConference Paper
    Año de publicación2004
    AutoresGarcia, JJ, Ureña, J, Hernández, Á, Mazo, M, Garcia, JC, Álvarez, FJ, Jimenez, JA, Donato, PG, del Perez, MC
    Idioma de publicaciónEnglish
    Conference NameThird IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM?04)
    VolumenCD
    PáginasCD
    EditorialIEEE
    Conference LocationSitges, España
    Fecha de publicación18/07/2004
    Numero ISBN07803-8546-2
    Palabras clavedetecting obstacles in railways, IR sensor array
    DOI10.1109/SAM.2004.1502940
    URLhttp://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1502940
    Abstract

    This work describes a sensor array based on optical
    emitters, which allows io detect obstacles in railways.
    The sensorial system consists of a barrier of emitters and
    another of receivers, placed at opposite sides of the
    railway. Apart from the disposition of the sensorial
    I system, it is necessary a codification method for the
    emission in order to detect the reception or the nonreception
    of transmissions between an emitter and a
    receiver. The method is based on a signal codification
    using complementary sequence pairs, suitably adapted for
    their simultaneous emission through the transmission
    channel. A high reliability under adverse conditions is
    achieved with the developed system, being possible to
    . detect the presence of obstacles, and to inform about their
    situation.

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    IR sensor array configuration and signal processing for detecting obstacles in railways.pdf785.17 KB