Design a causal low-pass FIR digital filter with N = 21. The desired magnitude response of the

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Design a causal low-pass FIR digital filter with N = 21. The desired magnitude response of the filter is

10<f< 250 Hz 0 elsewhere in 0 <ƒ < (fs/2)| |Ha(e! )| = |H:(@jwT %3|

and the phase is zero for all frequencies. The sampling frequency f_s = 2000 Hz.

(a) Use a rectangular window in your design. Plot magnitude and phase of the designed filter.

(b) Use a triangular window in the design and compare the magnitude and phase plots of this filter with those obtained in part (a).

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Signals and Systems using MATLAB

ISBN: 978-0123948120

2nd edition

Authors: Luis Chaparro

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Question Posted: Jan 07, 2019 06:13 AM

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Design a causal low-pass FIR digital filter with N = 21. The desired magnitude response of the

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For f s 2000 Hz the cutoff frequency of the FIR is so that the desired impulse response is The de...View the full answer

Signals and Systems using MATLAB

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