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The localization of a slab embedded within a homogeneous half-space is dealt with. A multifrequency plane wave incidence is assumed, and the locations of the slab interfaces are represented as the support of "distributions." A simplified model of the electromagnetic scattering is adopted, and the problem is cast as the inversion of a linear integral relationship. This inversion is regularized by means of the singular value decomposition tool. Numerical tests allow to analyze the reconstruction capabilities of the reconstruction algorithm, i.e., the maximum depth of investigation and the resolution limits, which depend on the properties of the investigated medium and on the exploited work frequency band. Finally, experimental results are shown.
Geoscience and Remote Sensing, IEEE Transactions on (Volume:45 , Issue: 11 )
Date of Publication: Nov. 2007