Inversion of Large-Scale Electromagnetic Data Through the Iterative Multizooming Reconstruction of Nonmeasurable Equivalent Current Densities

Donelli, Massimo and Franceschini, Davide and Benedetti, Manuel and Massa, Andrea and Gragnani, G. L. (2011) Inversion of Large-Scale Electromagnetic Data Through the Iterative Multizooming Reconstruction of Nonmeasurable Equivalent Current Densities. [Technical Report]

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Abstract

In the framework of the inversion of electromagnetic data, several methodologies consider the introduction of an equivalent current density defined into the dielectric domain to be reconstructed. However, one of the main drawbacks of these approaches is their “difficulty” to reconstruct the so-called “nonradiating” (or “nonmeasurable” when the electromagnetic data are measured only in a limited domain or positions outside the investigation domain) components of the equivalent current density. Hence the obtained solution may be too inaccurate and, in many realistic cases, it suffers from a strong low-pass effect.

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