Question: Consider the digital filter shown in figure (a) Determine the input-output relation and the impulse response h(n). (b) Determine and sketch the magnitude |H(?)| and

Consider the digital filter shown in figure

(a) Determine the input-output relation and the impulse response h(n).

(b) Determine and sketch the magnitude |H(?)| and the phase response

(c) When ?0 = ?/2, determine the output y(n) to the input x(n) = 3 cos (?/3n + 30). -?

120 0. r(n) - a = -2 cos wn

120 0. r(n) - a = -2 cos wn

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