Title :
Linear-phase digital anti-aliasing filter
Author :
Williamson, S.E. ; Matley, W. ; Bywater, R.E.H.
Author_Institution :
University of Surrey, Department of Electronic & Electrical Engineering, Guildford, UK
Abstract :
A simple digital technique is described for prefiltering a signal to reduce aliasing errors in a subsequent main digital filtering operation. Unlike analogue prefilters, this new filter has a linear phase characteristic.
Keywords :
digital filters; antialiasing filter; linear phase digital filter; prefilters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790388
