title: Padding point extrapolation techniques for the Butterworth digital filter.
authors.affiliation: Biomechanics Laboratory, Pennsylvania State University, University Park 16802.
authors.forename: G
authors.initials: G
authors.lastname: Smith
mesh_terms: D000054:Acceleration; D000465:Algorithms; D001696:Biomechanical Phenomena; D006801:Humans; D007700:Kinetics; D008722:Methods; D012815:Signal Processing, Computer-Assisted; D012984:Software