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1 #!/usr/bin/python |
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2 ## 4.11 |
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3 |
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4 import scipy as sp |
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5 from scipy import signal |
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6 |
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7 num = sp.array([11,-15,6]) |
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8 den = signal.convolve([1,-2],signal.convolve([1,-1],[1,-1])) |
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9 u = sp.zeros(5) |
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10 u[0] = 1 |
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11 y = signal.lfilter(num,den,u) |
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12 |
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13 print num, den |
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14 |
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15 #Plot of impulse response??? |