Impact of Background Noise on Dielectric Reconstructions Obtained by a Prototype of Microwave Axial Tomograph. - Ricardo Monleone; Matteo Pastorino; Joaquim Fortuny-Guasch; Andrea Salvadè; Thomas Bartesaghi; Giovanni Bozza; Manuela Maffongelli; Andrea Massimini; Andrea Carbonetti; Andrea Randazzo (IEEE Trans. Instrum. Meas., 2012)