Linear Time-Invariant System Linear Time-Invariant (LTI) System A system satisfying both the linearity and the time-invariance property LTI systems are mathematically easy to analyze and characterize Therefore easy to design 19 Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 19 Linear Time-Invariant System • Linear Time-Invariant (LTI) System - A system satisfying both the linearity and the time-invariance property • LTI systems are mathematically easy to analyze and characterize, • Therefore, easy to design