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Dienstag, 27. März 2012

Resolution studies for Magnetic Resonance Sounding (MRS) using the singular value decomposition
Zitatschlüssel Mueller-Petke2008
Autor Müller-Petke, M. and Yaramanci, U.
Seiten 165-175
Jahr 2008
DOI 10.1016/j.jappgeo.2007.11.004
Journal Journal of Applied Geophysics
Jahrgang 66
Zusammenfassung We present a new approach to analyse the subsurface water content distribution obtained by inversion of MRS data in terms of resolution and penetration depth. It is based on a singular value decomposition (SVD) of the MRS forward operator to derive the model resolution matrix including regularisation parameters, i.e. including noise conditions. The approach takes loop size, subsurface resistivity distribution and noise conditions as input parameters affecting MRS into account and allows an assessment on resolution and penetration. The application of the new approach shows that the loop diameter must be carefully chosen depending on the investigation site to obtain optimal resolution and penetration. Using the introduced resolution measures the quality and reliability of the estimated model can be assessed.
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