Dyadic Contrast Function for the Forward Model of Diffraction Tomography of Thin Cylindrical Objects

A forward model for diffraction tomography is derived for the case of thin cylindrical objects by introducing a dyadic contrast function that takes into account depolarization phenomena, which were not previously addressed. As a result, polarimetric measurements may be used to distinguish between di...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2017, Vol.16, p.991-994
Main Authors: Negishi, Tadahiro, Picco, Vittorio, Monte, Lorenzo Lo, Erricolo, Danilo
Format: Article
Language:English
Subjects:
Dielectric materials
Dielectrics
Diffraction
Diffraction tomography
dyadic contrast function
Geometry
inverse scattering
microwave tomography
Receivers
RF tomography
Tomography
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Summary:A forward model for diffraction tomography is derived for the case of thin cylindrical objects by introducing a dyadic contrast function that takes into account depolarization phenomena, which were not previously addressed. As a result, polarimetric measurements may be used to distinguish between dielectric or metallic thin cylindrical objects. In the case of metallic objects, it is also possible to reconstruct their direction.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2016.2616024