Volume 53, Issue 12 pp. 2834-2838
Research Article

Electromagnetic inversion with the multiscaling inexact Newton method—experimental validation

Andrea Randazzo

Andrea Randazzo

Department of Biophysical and Electronic Engineering (DIBE) University of Genova, Via Opera Pia 11A, 16100 Genova, Italy

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Giacomo Oliveri

Giacomo Oliveri

ELEDIA Research Group, DISI University of Trento, Via Sommarive 14, 38050 Trento, Italy

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Andrea Massa

Corresponding Author

Andrea Massa

ELEDIA Research Group, DISI University of Trento, Via Sommarive 14, 38050 Trento, Italy

ELEDIA Research Group, DISI University of Trento, Via Sommarive 14, 38050 Trento, ItalySearch for more papers by this author
Matteo Pastorino

Matteo Pastorino

Department of Biophysical and Electronic Engineering (DIBE) University of Genova, Via Opera Pia 11A, 16100 Genova, Italy

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First published: 21 September 2011
Citations: 24

Abstract

The integration of the inexact Newton method within a multiscaling strategy is assessed in the framework of the contrast-field formulation of the electromagnetic inverse scattering. By using the features of the integrated approach, the technique is expected to suitably face the nonlinearity and the illposedness/ill-conditioning issues of the imaging problem. A numerical validation dealing with experimental data related to different objects is carried out to provide evidence of the method premises pointing out features and potentialities as well as current limitations. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2834–2838, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26435

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