Oppenheim, Alan V., 1937- Discrete-time signal processing / Alan V. Oppenheim, Ronald W. Schafer, with John R. Buck. - 2nd ed. - xxvi, 870 p. : ill. ; 25 cm. ISBN: 0130834432 Subjects--Topical Terms: Discrete-time systemsSignal processing--Mathematics LC Class. No.: TK5102.9 / .O67 1999