Discrete-Time Signals. Time-Domain Representation Graphical representation of a discrete-time signal with real-valued samples x 3456789101112 10-98-7-6-5-4-3-2-10120 1314151617 Copyright C 2001, S.K. Mitra3 Copyright © 2001, S. K. Mitra Discrete-Time Signals: Time-Domain Representation • Graphical representation of a discrete-time signal with real-valued samples