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Regularized Focused Inversion of Magnetic Gradient Measurements in ArchaeologyNormal access

Authors: A. El-Bassiony and A. Weller
Event name: Near Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics
Session: Archaeology and Historical Buildings 2
Publication date: 04 September 2005
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 245.5Kb )
Price: € 20

Summary:
B027 REGULARIZED FOCUSED INVERSION OF MAGNETIC GRADIENT MEASUREMENTS IN ARCHAEOLOGY SUMMARY 1 A regularized inversion algorithm was developed to invert the magnetic vertical gradient measurements for archaeological purposes. The algorithm uses constrains on the susceptibility contrast of the structure’s material to obtain a focused image. An approximate model was used to control the inversion result and to prevent unreliable and unstable inversion results. The Tikhonov parametric functional was used with a minimum support stabilizing functional for the model norm to yield a highly focused solution. The regularization parameter was selected according to the best trade-off between the lowest misfit and


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