Special Signals
ECNG 2011 - Signals and Systems
Dr. D. J. Ringis
Step
Keeping things CAUSAL
What happens if I multiply this signal by a unit
step?
A causal signal starts at t=0
What about in DT?
The Ramp
The Ramp
The Sinusoid
x(t)=A cos(ωt+ϕ)
Rectangular Pulse
Unit Impulse
Lets integrate!
Integrate the unit impulse!
What happens?
LET'S DO IT AGAIN!
Impulse -> Step -> Ramp