Question: 3. Define a convolution on infinite sequences r, y e l'(Z) by (r x y)(n) = > x(k)y(n - k). KEZ Show that if x

3. Define a convolution on infinite sequences r,
3. Define a convolution on infinite sequences r, y e l'(Z) by (r x y)(n) = > x(k)y(n - k). KEZ Show that if x c 12(Z) is a periodic signal with period N > 0, and h c 12(Z) is an arbitary filtering sequence, then a * h is a period N signal

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