Q2) a) Find the period of x[n] given by x[n] = cosa. In Hint; cos20 = (1 + cos 26) b) Find H(22) for

Q2) a) Find the period of x[n] given by x[n] = cosa. In Hint; cos20 = (1 + cos 26) b) Find H(22) for a[n] = 8[n] + 26[ – 1] + 2^{n – 2 + 8[n – 3 and show that the filter has a linear phase term.

 

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