Provide plots of the impulse and the log-magnitude responses

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Reference no: EM131261832

Using the Parks-McClellan algorithm, design an interpolator that increases the input sampling rate by a factor of I = 2.

1. Determine the coefficients of the FIR filter that has 0.5 dB ripple in the passband and 50 dB attenuation in the stopband. Choose reasonable values for the band-edge frequencies.

2. Provide plots of the impulse and the log-magnitude responses.

3. Determine the corresponding polyphase structure for implementing the filter.

4. Let x(n) = cos(0.4πn). Generate 100 samples of x(n), and process it using this filter to interpolate by I = 2 to obtain y(m). Provide the stem plots of the both sequences.

Reference no: EM131261832

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