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Browsing by Subject "electromagnetic noise"

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    Item type:Article, Access status: Open Access ,
    Wybrane aspekty przetwarzania danych magnetotellurycznych z obszaru Karpat
    (Wydawnictwa AGH, 2008) Stefaniuk, Michał; Wojdyła, Marek; Danek, Tomasz
    The paper presents a review of fundamental problems of processing of magnetotelluric data acquired from regions with high electromagnetic noise. The noise sources are discussed and recently applied methods of noise elimination are reviewed. Identification of noise generated by electric railways and its effects on magnetotelluric sounding data interpretation are main problems of MT data interpretation in the Carpathians. The principles of the remote reference method are given. Results of test measurement, which were made to find an optimum distance between a field site and a reference site were analyzed. Effects of application of the Savitzky-Golay numerical filters and the Singular Spectrum Analysis (SSA) on the shape of time series of electric and magnetic components and results of their processing are discussed.