412 Practical MATLAB® Applications for Engineers
− 10 − 8 − 6 − 4 − 2
− 2 −1.5 − 1
− 5 − 4 − 3 − 2 − 1
−0.5 0 0.5
0246810
0
5
10
y(t) versus t
1 1.5 2
0
0.5
1
1.5
012345
1.5
1
0.5
0
Amplitude
Amplitude
Amplitude
x(t) versus t
h(t) versus t
time (in sec)
time (in sec)
time (in sec)
FIGURE 4.58
Plots of x(t), h(t), and y(t) of Example 4.10.
6
4
2
0
− 6 − 4 − 2 0246
Symbolic plot of the Fourier Transf. of x(t) versus w
Symbolic plot of the Fourier Transf. of y(t) versus w
frequency (in rad/sec)
− 6 − 4 − 2 0246
frequency w (in rad/sec)
Magnitude
Magnitude
5 4 3 2 1 0
FIGURE 4.59
Symbolic plots of X(w) and Y(w) of Example 4.10.