90
Practical MATLAB
® Applications for Engineers
10
5
0
0
2
4
6
0
2
4
6
0
2
4
6
0
2
4
6
−5
4
2
0
−4
−2
time index n
time index n
time index n
time index n
f1(t)
f1(t) versus n and f2(t) versus n
f2(t)
f1(t)
f2(t)
f1(n) versus n
f2(n) versus n
[Multiplexed samples of f1(n) and f2(n) versus n]
Amplitude
10
5
0
−5
Amplitude
Amplitude
10
5
0
−5
Amplitude
FIGURE 1.75
Plots of discrete telecommunication signals of Example 1.19.
10
8
6
4
2
0
0
0.5
1
1.5
time index n
Amplitude
2
2.5
3
−2
−4
−6
[Enlarge alternating (multiplexed) samples from f1(n) and f2(n)] versus n
FIGURE 1.76
Enlarge plot of multiplexed signals of Example 1.19.
CRC_47760_CH001.indd 90
CRC_47760_CH001.indd 90
7/25/2008 4:16:28 PM
7/25/2008 4:16:28 PM