Exemplos Atrasador Adiantador Prof. David
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n x[n] y[n] = x[n] x[n] y[n] = x[n-1] x[n] y[n] = x[n+1]
-4
-3 -4 -4 16 -4
-2 -3 9 -3 9 -3
-1 -2 4 -2 4 -2 4
0 -1 1 -1 1 -1 1
1 0 0 0 0 0 0
2 1 1 1 1 1 1
3 2 4 2 4 2 4
4 3 9 3 3 9
5 4 4 4 16
6
ATRASADOR
ADIANTADOR
0
5
10
1 3 5 7 9 11
y[n] = x[n]
y[n] = x[n]
0
10
20
1 3 5 7 9 11
y[n] = x[n-1]
y[n] = x[n-1]
0
10
20
1 3 5 7 9 11
y[n] = x[n+1]
y[n] =x[n+1]
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x[n] n y[n] = 0,25y(n-1)+0,5x(n)+0,5x(n-1) y[n]
1 -3 0
1 -2 1 1
1 -1 1,25 1,25
0 0 0,8125 0,8125
0 1 0,203125 0,203125
0 2 0,05078125 0,050781
0 3 0,012695313 0,012695
0
0,5
1
1,5
1 2 3 4 5 6 7
x[n]
x[n]
0
0,5
1
1,5
1 2 3 4 5 6
y[n]
y[n]
