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Characterization of a two-dimensional subsurface object with an effective scattering model

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2 Author(s)
Budko, N.V. ; Lab. of Electromagn. Res., Delft Univ. of Technol., Netherlands ; van den Berg, P.M.

The problem of the location and characterization of a two-dimensional (2-D) subsurface object is formulated as the inverse problem for an effective scattering model. An arbitrary finite-sized buried object is described as a subsurface circular cylinder with the radius, permittivity, and position of its center to be determined. The inversion is performed in a nonlinearized way, minimizing the discrepancy between the actual scattered field and that of the effective scattering model. A simple and quick solution for a circular cylinder embedded in a lossy half space is introduced. As far as numerical efficiency is concerned, the obtained approximate algorithm is comparable to the free-space solution. The location algorithm has been tested with the two-dimensional models of plastic antipersonnel land mines

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:37 ,  Issue: 5 )