A new approach to the spectral analysis of liquid membrane oscillators by Gábor transformation

E. Płocharska-Jankowska, M. Szpakowska, Stefan Mátéfi-Tempfli, O.B. Nagy

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    Abstrakt

    Liquid membrane oscillators very frequently have an irregular oscillatory behavior. Fourier transformation cannot be used for these nonstationary oscillations to establish their power spectra. This important point seems to be overlooked in the field of chemical oscillators. A new approach is presented here based on Gábor transformation allowing one to obtain power spectra of any kind of oscillations that can be met experimentally. The proposed Gábor analysis is applied to a liquid membrane oscillator containing a cationic surfactant. It was found that the power spectra are strongly influenced by the presence of various added substances.
    OriginalsprogEngelsk
    TidsskriftJournal of Physical Chemistry B
    Vol/bind110
    Udgave nummer1
    Sider (fra-til)289-294
    Antal sider6
    ISSN1520-6106
    DOI
    StatusUdgivet - 12. jan. 2006

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