On the effect of support estimation and of a new model in 2D inverse scattering problems (Articolo in rivista)

Type
Label
  • On the effect of support estimation and of a new model in 2D inverse scattering problems (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Catapano I., Crocco L., D’Urso M., Isernia T. (2007)
    On the effect of support estimation and of a new model in 2D inverse scattering problems
    in IEEE transactions on antennas and propagation (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Catapano I., Crocco L., D’Urso M., Isernia T. (literal)
Pagina inizio
  • 1895 (literal)
Pagina fine
  • 1899 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 55 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • I. Catapano and L. Crocco: Istituto per il Rilevamento Elettromagnetico dell’Ambiente, Consiglio Nazionale delle Ricerche (IREA-CNR), Napoli, Italy M. D’Urso: Dipartimento di Ingegneria Elettronica e delle Telecomunicazioni, Universita’ Federico II di Napoli, Italy T.Isernia: DIMET, Universita’ Mediterranea di Reggio Calabria, Italy (literal)
Titolo
  • On the effect of support estimation and of a new model in 2D inverse scattering problems (literal)
Abstract
  • Starting from the concept of “degree of non-linearity” of the relationship amongst unknown parameters and scattered fields, we discuss how knowledge of the geometrical features of the targets favorably affects the solution of inverse scattering problems. The same concept is also exploited to optimize the contrast source-extended Born (CS-EB) model, resulting in the optimized CS-EB (O-CS-EB) inversion approach, which remarkably reduces false solutions occurrence. Then, a two-steps approach is proposed as a reliable and effective inversion strategy. The first step consists in retrieving the shape of the targets using the linear sampling method, while in the second step, the estimated shapes and the O-CS-EB are exploited to reconstruct the permittivity profile. The approach has been tested against experimental data, showing that very accurate reconstructions are achieved from monochromatic data. (literal)
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