Page 8 - EC8352 -SS-NOTES-by Prof.Bokhari ECE/MAMCET
P. 8
SUBJECT: EC8352- Signals and Systems
AUTHOR: M.SHAKUNTHALA, A.P/ECE/RMDEC
Dr.M.N.VIMAL KUMAR, AP/ECE/RMDEC
p(t)
:
4.5
2
= ≥ 0 2
2
= 0 < 0 0.5
0 1 2 3 . . . t
Unit Parabolic signal
Relation between Unit Step signal, Unit ramp signal and Unit Parabolic signal:
Unit ramp signal is obtained by integrating unit step signal
. . , = 1 = = ( )
Unti Parabolic signal is obtained by integrating unit ramp signal
2
. . , = = = ( )
2
Unit step signal is obtained by differentiating unit ramp signal
. . , = = 1 = ( )
Unit ramp signal is obtained by differentiating unit Parabolic signal
2 1
. . , = = 2 = = ( )
2 2
1.3.4 Unit Pulse signal is defined as
∏ (t)
1 1
∏ = 1 ≤
2
= 0
-1/2 1/2 t
Unit Pulse signal
1.3.5 Impulse signal
Unit Impulse signal is defined as
= 0 ≠ 0
∞
= 1
−∞
Unit Impulse signal
6