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Magnetic Tomography by Weighted Averages of Magnetization – Application to Archaeological Areas
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Near Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics, Sep 2005, cp-13-00014
Abstract
B024 Magnetic tomography by Weighted Averages of Magnetization: application to archaeological areas Abstract 1 Recently it was shown (Fedi 2003) that magnetic anomalies may be easily and fastly interpreted in terms of Weighted Averages of Magnetization (WAM) by a simple transformation. The transformation consisting of dividing at each measurement point the experimental magnetic field by a normalizing field yields a straightforward link among source and field position vectors and allows sources at different depths to be well discriminated throughout a tomographic 3D representation. The transformation algorithm is very fast (60 sec were necessary for a Pentium IV processor to perform