Digital Signal Processing Reference
In-Depth Information
x
(
t
)
1
1
0
1
2
t
1
(a)
y
1
(
t
)
x
(
t
2)
1
0
1
2
3
4
t
1
(b)
y
2
(
t
)
x
(
t
1)
1
1
0
1
2
2
t
1
(c)
Figure 2.3
Time-shifted signals.
An example of the transformation in (2.6) and (2.7) is now given.
Time transformation of a signal
EXAMPLE 2.1
Consider the signal
x(t)
in Figure 2.4(a). We wish to plot the transformed signal
t
2
y(t) = x
¢
1 -
≤
.
