Question: 3) Use the impulse invariance method to design a low-pass digital Butterworth filter to meet the following specifications: 0.9 < |H(ej)| < 1 |H(eiw)|

3) Use the impulse invariance method to design a low-pass digital Butterworth

3) Use the impulse invariance method to design a low-pass digital Butterworth filter to meet the following specifications: 0.9 < |H(ej")| < 1 |H(eiw)| < 0.2 l < 0.2 0.3 < l < T

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