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2005 | 108 | 1 | 73-79
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Wavelet Analysis in EPR Spectroscopy

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Possibility of application of wavelet analysis in EPR spectroscopy is investigated. Basic mathematics of the method is summarized, with emphasis on the relation between EPR experiment and physical interpretation of wavelet transform. The fact that first derivative of the Lorentzian function can be used as a base wavelet is employed and the specific rules of the interpretation of the final wavelet synthesis are identified. Analysis of a sample EPR spectrum of X-ray irradiated guanidinium aluminium sulphate hexahydrate crystal is given as an example. Set of parameters resulting from the wavelet analysis is subsequently used to reconstruct/synthesize the original EPR spectrum. The method involves an opportunity of eliminating unwanted components of the multicomponent spectra. Generally, the method may supplement other means of data analysis, in particular, in magnetic resonance.
  • Institute of Physics, University of Zielona Góra, Szafrana 4a, 65-516 Zielona Góra, Poland
  • Institute of Physics, University of Zielona Góra, Szafrana 4a, 65-516 Zielona Góra, Poland
  • 1. B.J.B. Schein, E.C. Lingafelter, J.M. Stewart, J. Chem. Phys., 47, 5138, 1967
  • 2. D.B. Percival, A.T. Walden, Wavelet Methods for Time Series Analysis, Cambridge University Press, Cambridge 2000
  • 3. J.T. Bialasiewicz, Falki i aproksymacje, Wydawnictwo Naukowo-Techniczne, Warszawa 2004, p. 66 (in Polish)
  • 4. P.B. Sczaniecki, B. Jakubaszek, L. Szczepańska, in: Magnetic Resonance and Related Phenomena, Proc. 29AMPERE/13 ISMAR Int. Conf., Berlin 1998, p. 981
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