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The problem of determining the number and the locations of ”small” metallic spheres from scattered field measurements is addressed. The problem is casted as the inversion of a linear integral operator by means of the distributional approach based on truncated singular value decomposition (TSVD). The performance of the inversion scheme are analyzed for the case of a multi-view/single-frequency configuration...
The problem of localizing small scatterers is dealt with. In particular, the time-reversal MUSIC and the linear distributional approach are compared from the achievable resolution and the stability against the noise point of view. The study is conducted for a two-dimensional and scalar geometry and for the case of perfect electric conducting scatterers.
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