PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

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.