00432pamaa2200145 4500 0000008747 20110420090000.0 0201634678 621.3822 LYO 1997 TK5102.9 LYO 1997 Lyons Understanding digital signal processing Richard G. Lyons. Masachusetts: Addison Wesley, 1997. xvii, 517p.: ill.25cm. Signal processing -- Digital techniques