Discrete-Time Systems A discrete-time system processes a given input sequence x[] to generates an output sequencey[n] with more desirable properties In most applications, the discrete-time system is a single-input, single-output system: Discrete-time x[n] System y[n] Input sequence Output sequence 1 Copyright 2001, S. K. MitraCopyright © 2001, S. K. Mitra 1 Discrete-Time Systems • A discrete-time system processes a given input sequence x[n] to generates an output sequence y[n] with more desirable properties • In most applications, the discrete-time system is a single-input, single-output system: System Discrete− time x[n] y[n] Input sequence Output sequence