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Regional-residual magnetic field data separation in wavelet domainGold Open Access

Authors: B. Tsivouraki-Papafotiou, G.N. Tsokas, P.I. Tsourlos and S. Panas
Journal name: Journal of the Balkan Geophysical Society
Issue: Vol 6, No 4, November 2003 pp. 209 - 220
Language: English
Info: Article, PDF ( 342.21Kb )

Summary:
A new method for regional-residual magnetic field data separation, in wavelet domain, is suggested. The method is based on the discrete wavelet transform of either 1- D or 2-D data and the same transformation of an internal model for the regional field. The separation is controlled by the transformation of the model. The effectiveness of the method is demonstrated by application on synthetic 1-D and 2-D data. The results show an almost perfect separation of the two fields. A comparison with the polynomial fitting on synthetic data suggests that the suggested method produce better results. Finally the application of the technique to real data obtained from the exploration of an archaeological site in Northern Greece is presented.

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