Abstract:An inverse scattering approach based on the contrast source inversion (CSI) algorithm is presented for the determination of the three-dimensional (3D) complex permittivity variation of arbitrarily shaped materials loaded in a rectangular waveguide. First the problem is introduced by the definition of the electric field integral equation based data and object equations, which contain the dyadic Green function of an empty rectangular waveguide. The resulting inverse scattering problem for the unknown complex per… Show more
“…The study in [12] resembles our earlier study of periodically loaded waveguides [7]. As a final example, the properties of a 3D object located inside a rectangular waveguide were reconstructed using several waveguide modes in [13].…”
“…The study in [12] resembles our earlier study of periodically loaded waveguides [7]. As a final example, the properties of a 3D object located inside a rectangular waveguide were reconstructed using several waveguide modes in [13].…”
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