Решение инженерных задач в среде Scilab. Андриевский А.Б - 76 стр.

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0 50 100 150
−2.0
−1.5
−1.0
−0.5
0.0
0.5
1.0
1.5
2.0
Signal input
time
amplitude
0 50 100 150
−1.5
−1.0
−0.5
0.0
0.5
1.0
1.5
Filtered signal
time
amplitude
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
−120
−100
−80
−60
−40
−20
0
20
Low−Pass filter with Kaiser window
freq (Hz)
Amplitude (dB)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
Stop Band filter with Hamming window
freq (Hz)
Amplitude (dB)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
−100
−80
−60
−40
−20
0
20
Band Pass filter with Chebyshev window
Amplitude (dB)