1
I
0.5
nal
0
Sig
–0.5
–1
0
50
100
150
200
250
300
1
0.5
II
nal
0
Sig
–0.5
–1
0
50
100
150
200
250
300
Time
FIGURE 5.1 Two signals in time.
60
I
50
nal
40
sig
of
30
T
20
DF
10
0
0
50
100
150
60
II
50
nal
40
sig
of
30
T
20
DF
10
0
0
50
100
150
Frequency
FIGURE 5.2 Magnitude of the DFT of the three signals shown in Figure 5.1.
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Biomedical Signal and Image Processing