Localizing Thin Metallic Cylinders by a 2.5-D Linear Distributional Approach: Experimental Results

The problem of detecting and localizing "thin" metallic scatterers from electromagnetic scattered field measurements is addressed. The scatterers are assumed to be infinitely long and a 2.5-dimensional mathematical model is adopted. According to the distributional approach, the problem is cast as the inversion of a linear integral operator acting on 6-distributions whose supports are representative of the scatterers' locations. In this paper we present the experimental validation of such an approach. To this end, we perform the reconstructions by exploiting experimental scattered field data collected in controlled conditions at the electromagnetic diagnostics laboratory of the Second University of Naples. The experiments are conducted in an anechoic chamber where the scatterers are embedded in a homogenous and lossless background medium. The multistatic/single-view/multifrequency and the multistatic/multiview/multifrequency configurations are both considered.