Source: https://www.researchgate.net/profile/Claude_Pellet/publication/238192526_FFT_et_applications_caracterisation_d'un_CAN_choix_d'une_fenetre_d'analyse_et_reponse_en_frequence_d'un_systeme/links/57ea32c808aeb34bc091bd47/FFT-et-applications-caracterisation-dun-CAN-choix-dune-fenetre-danalyse-et-reponse-en-frequence-dun-systeme.pdf