Harmonic pollution filtering: case study of a university campusAli Boharb, Ismail Moufid, Naciri Soukaina, El Markhi Hassane, El Moussaoui Hassan and Lamhamdi TijaniE3S Web Conf., 351 (2022) 01005DOI: https://doi.org/10.1051/e3sconf/202235101005