Digital Signal Processing Reference
In-Depth Information
0,5
Time domain
0,4
Block length = 32
Sample frequency = 32 Hz
Duration of signal: 1 s
0,3
0,2
0,1
0,0
-0,1
-0,2
Sig nal
Time doma in
Spectrum
Freq. dom ain
-0,3
-0,4
-0,5
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
ms
0,40
Frequency domain
0,35
Spectrum: 16 discrete frequencys
in the positive frequency domain
0,30
0,25
0,20
0,15
0,10
0,05
0,00
2,5
5,0
7,5
10,0
12,5
Hz
Illustration 190:
Digital signal in the time and frequency domain (sawtooth 1Hz)
