Fourier and Laplace
411
FIGURE 4.56
Plots of X(w), H(w), and Y(w) of Example 4.10.
−6
−4
−2
0
2
4
6
−6
−4
−2
0
2
4
6
−6
−4
−2
0
2
4
6
frequency w(rad/sec)
frequency w(rad/sec)
frequency w(rad/sec)
8
6
4
2
0
Magnitude
8
6
4
2
0
Magnitude
Magnitude
4
2
0
X(w) versus w
H(w) versus w
Y(w) versus w
FIGURE 4.57
Plot of H(w) of Example 4.10.
350
300
250
200
150
100
50
0
−8
−6
−4
−2
0
2
4
6
8
frequency w (rad/sec)
H(w) versus w (showing impulses)
Magnitude
CRC_47760_CH004.indd 411
CRC_47760_CH004.indd 411
7/28/2008 12:26:14 PM
7/28/2008 12:26:14 PM