A practical approach to applying short time Fourier transform methods in voltammetric investigations

A method for using windowing on a current signal is presented as a means of obtaining amplitude and phase information from electrochemical data transformed from the time domain into the frequency domain. A test method also has been developed to check the reliability of the peak-heights extracted fro...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2001-11, Vol.515 (1), p.8-16
Main Authors: Rosvall, S.J.M., Honeychurch, M.J., Elton, D.M., Bond, A.M.
Format: Article
Language:English
Subjects:
Ac voltammetry
Chemistry
Electrochemistry
Exact sciences and technology
Fourier transform
FTIFT
General and physical chemistry
Impedance spectroscopy
STFT
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Summary:A method for using windowing on a current signal is presented as a means of obtaining amplitude and phase information from electrochemical data transformed from the time domain into the frequency domain. A test method also has been developed to check the reliability of the peak-heights extracted from the data. The limitations have been assessed from both simulations and real experimental data. Additionally, an efficient method for removal of the dc-component in a power-spectrum is presented.
ISSN:1572-6657
1873-2569
DOI:10.1016/S0022-0728(01)00635-0