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7.3. Design a 5-tap FIR lowpass filter with a cutoff frequency of 100 Hz and a sampling rate of 1,000 Hz using a a. rectangular window function b. Hamming window function Determine the transfer function and difference equation of the designed FIR system, and compute and plot the magnitude frequency response for ?--0, ?/4, ?/2, 3r/4, and ? radians.

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