82
Practical MATLAB
® Applications for Engineers
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
0.5
1
1.5
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3
3.5
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4.5
5
0
2
4
0
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0
2
4
spline
stairs
f(t)
sinc-reconst
× 10
−4
× 10
−4
× 10
−4
× 10
−3
× 10
−3
× 10
−3
time (sec)
Reconstruction of f(t)
Amplitude
Amplitude
Amplitude
FIGURE 1.68
Reconstruction plots for f(t) of Example 1.16.
8
7
6
5
4
3
2
1
1
1.5
2
2.5
0
0
0.5
3
3.5
4
4.5
5
time (sec)
× 10
−3
× 10
−5
error(t) = abs [f(t) -Reconstruction (Sums(sinc))]
magnitude
FIGURE 1.69
Reconstruction plot error for f(t) of Example 1.16.
CRC_47760_CH001.indd 82
CRC_47760_CH001.indd 82
7/25/2008 4:16:27 PM
7/25/2008 4:16:27 PM