Analog and Digital Signal Processing for Pressure Source Imaging at 190 MeV Proton Beam Elia A. Vallicelli, Michele Riva, Mario Zannoni, Andrea Baschirotto and Marcello De Matteis EPJ Web Conf., 216 (2019) 04003 Published online: 24 September 2019 DOI: 10.1051/epjconf/201921604003