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The problem of localizing small inhomogeneities from the knowledge of their scattered field is dealt with. In particular, the case of small perfect electric conducting spheres is of concern, with the scattered field data collected under multistatic/multifrequency/single-view or multistatic/single-frequency/multiview far zone configurations. The multiple scattering between the spheres is neglected,...
The problem of determining the number and the locations of "small" metallic spheres from scattered far-field measurements under plane waves incidence is considered. The problem is formulated by neglecting the mutual scattering between the spheres and by representing their locations as the support of delta-functions. This allows to cast the problem as the inversion of a linear integral operator...
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