Pp Analogue To Digital
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- Words: 138
- Pages: 11
Digital and Analogue Signals
1
0
This clean signal .…
O
1
0
1
.… becomes noisy as it travels
1
0
As 0s and 1s can be seen in the noisy signal …
.… it can be cleaned to be perfect again
O
1
0
1
1
0
But if this analogue signal .…
.… gets distorted by noise
The noisy signal cannot be cleaned perfectly…
.. as it is not known exactly what it looked like ?
?
?
?
?
?
?
?
?
?
Converting Analogue to Digital
Analogue signal
Digital signal 7 6 5 4 3 2 1 0
0
4
5
4
3
4
6
7
5
3
3
4
4
111 110 101 100 011 010 001 000 000 100 101 100 011 100 110 111 101
011 011 100 100
1
0
This clean signal .…
O
1
0
1
.… becomes noisy as it travels
1
0
As 0s and 1s can be seen in the noisy signal …
.… it can be cleaned to be perfect again
O
1
0
1
1
0
But if this analogue signal .…
.… gets distorted by noise
The noisy signal cannot be cleaned perfectly…
.. as it is not known exactly what it looked like ?
?
?
?
?
?
?
?
?
?
Converting Analogue to Digital
Analogue signal
Digital signal 7 6 5 4 3 2 1 0
0
4
5
4
3
4
6
7
5
3
3
4
4
111 110 101 100 011 010 001 000 000 100 101 100 011 100 110 111 101
011 011 100 100
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