29 April 2016
The inversion of magnetic data in the presence of strong remanent magnetization has long been a challenging problem, because of the unknown direction of the total magnetization that is the vector sum of the induced and remanent components. This E-Lecture
presents three different techniques for tackling this problem: (1) direction estimation, (2) amplitude inversion, and (3) fuzzy c-means clustering magnetization inversion. Combined with the existing susceptibility inversion, these techniques form
a tool kit that allows one to invert virtually any magnetic data set for the purpose of quantitative interpretation in exploration applications. In particular, the magnetization inversion provides a new opportunity both for imaging source configurations
and for carrying out geology differentiation.
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