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dc.contributor.authorMarengo, Edwin A.
dc.contributor.authorZambrano Nuñez, Maytee
dc.contributor.authorBerestesky, Paul
dc.date.accessioned2017-07-31T16:32:15Z
dc.date.accessioned2017-07-31T16:32:15Z
dc.date.available2017-07-31T16:32:15Z
dc.date.available2017-07-31T16:32:15Z
dc.date.issued2012-07-04
dc.date.issued2012-07-04
dc.identifier.urihttp://ridda2.utp.ac.pa/handle/123456789/2373
dc.identifier.urihttp://ridda2.utp.ac.pa/handle/123456789/2373
dc.descriptionThe target position information contained in scattering data is explored in the context of the scalar Helmholtz operator for the basic two-point scatterer system by means of the statistical estimation framework of the Fisher information and associated Cramér-Rao bound (CRB) relevant to unbiased position estimation. The CRB results are derived for the exact multiple scattering model and, for reference, also for the single scattering or first Born approximation model applicable to weak scatterers. The roles of the sensing configuration and the scattering parameters in target localization are analyzed. Blind spot conditions under which target localization is impossible are derived and discussed for both models. It is shown that the sets of sensing configuration and scattering parameters for which localization is impeded are different but equivalent (they have the same size) under the exact multiple scattering model and the Born approximation. Conditions for multiple scattering to be useful or detrimental to localization are derived.en_US
dc.description.abstractThe target position information contained in scattering data is explored in the context of the scalar Helmholtz operator for the basic two-point scatterer system by means of the statistical estimation framework of the Fisher information and associated Cramér-Rao bound (CRB) relevant to unbiased position estimation. The CRB results are derived for the exact multiple scattering model and, for reference, also for the single scattering or first Born approximation model applicable to weak scatterers. The roles of the sensing configuration and the scattering parameters in target localization are analyzed. Blind spot conditions under which target localization is impossible are derived and discussed for both models. It is shown that the sets of sensing configuration and scattering parameters for which localization is impeded are different but equivalent (they have the same size) under the exact multiple scattering model and the Born approximation. Conditions for multiple scattering to be useful or detrimental to localization are derived.en_US
dc.languageeng
dc.language.isoengen_US
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectdatos de dispersiónen_US
dc.subjectFisher Informaciónen_US
dc.subjectlímite de Cramer Raoen_US
dc.subjectlocalización de objetivosen_US
dc.subjectel modelo de dispersión múltipleen_US
dc.subjectscattering dataen_US
dc.subjectFisher Informationen_US
dc.subjectCramer Rao bounden_US
dc.subjecttarget localizationen_US
dc.subjectmultiple scattering modelen_US
dc.subjectdatos de dispersión
dc.subjectFisher Información
dc.subjectlímite de Cramer Rao
dc.subjectlocalización de objetivos
dc.subjectel modelo de dispersión múltiple
dc.subjectscattering data
dc.subjectFisher Information
dc.subjectCramer Rao bound
dc.subjecttarget localization
dc.subjectmultiple scattering model
dc.titleCramér-Rao Bound Study of Multiple Scattering Effects in Target Localizationen_US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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