An Iterative Procedure for Combining the Advantages of a Multi-Frequency and Multi-Resolution Inversion Algorithm

Franceschini, Davide and Donelli, Massimo and Tamanini, E and Massa, Andrea (2011) An Iterative Procedure for Combining the Advantages of a Multi-Frequency and Multi-Resolution Inversion Algorithm. [Technical Report]

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Abstract

Starting from the iterative multi scaling approach previously studied for monochromatic illuminations, two multi resolution strategies for dealing with multi frequency inverse scattering experiments have been developed. The first procedure is based on the integration of the iterative multi scaling algorithm into a frequency hopping reconstruction scheme, while in the second one the multi frequency data are simultaneously processed exploiting a multi resolution expansion of the problem unknowns. The numerical and the experimental analysis presented in this contribution concern with a preliminary assessment of the reconstruction effectiveness of the proposed approaches in comparison with a monochromatic multi-step process. This is the author's version of the final version available at IEEE.

Item Type: Technical Report
Subjects: Uncategorized > TU Technical Reports and Publications
URI: http://www.eledia.org/students-reports/id/eprint/373

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