82.1 Discrete-Time Signals: Time-Domain Representation Graphical representation of a discrete-time signal with real valued samples is as shown below. x[-5 x 3456789101112 10-9-8-7-6-5-4-3-2-10120 1314151617§2.1 Discrete-Time Signals: Time-Domain Representation • Graphical representation of a discrete-time signal with real￾valued samples is as shown below: