Design a minimum order iir digital filter

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Reference no: EM131261839

An analog signal

1. Design a minimum order IIR digital filter that will pass the first component of xa(t) with attenuation of less than 1 dB and suppress the second component to at least 50 dB. The filter should have a monotone passband and an equiripple stopband. Determine the system function in rational function form and plot the log-magnitude response.

2. Generate 500 samples (sampled at 100 sam/sec) of the signal xa(t) and process through the designed filter to obtain the output sequence. Interpolate this sequence (using any one of the interpolating techniques discussed in Chapter 3) to obtain ya(t). Plot the input and the output signals and comment on your results.

Reference no: EM131261839

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