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Let x (n) be the input signal to a discrete-time filter with impulse response hi (n) and let y (n) be the corresponding output. (a)

Let x (n) be the input signal to a discrete-time filter with impulse response hi (n) and let y (n) be the corresponding output.

(a) Compute and sketch x(n) and y (n) in the following cases, using the same scale in all figures.

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