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Decay curve of the measured (dots) and calculated (solid line) apparent polarizabilities (Sample 1)

Decay curve of the measured (dots) and calculated (solid line) apparent polarizabilities (Sample 1)

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Fig. 1 Schematic picture of the instrument used for laboratory IP...
Fig. 2 Decay curve of apparent polarizabilities measured on Sample 1
Fig. 3 Decay curve of the measured (dots) and calculated (solid line)...
Fig. 4 Time constant spectrum of sample 1 determined by series...
+7 Fig. 5 Time constant spectrum of Sample 1. determined by series...
Evaluation of induced polarization measurements using a new inversion method
Article
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  • Aug 2021
In this paper, a new inversion method is proposed to process laboratory-measured induced polarization (IP) data. In the new procedure, the concept of the series expansion-based inversion is combined with a more general definition of the objective function. The time constant spectrum of the IP effect is assumed a line spectrum approximated by a seri...
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Context 1
... with the traditional T_LSQ algorithm. As a starting model to all (logarithmic) inversion variables were given a value of 0.15. Then according to Eq. (27), the distance of measured and calculated (on the starting model) data is D = 21.14, which is a very large value. After 40 iterations the distance is D = 0.0377. This good fit is demonstrated in Fig. ...

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