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Consider a discrete-time (DT) signal x[n] = (5-n)ps [n] where PN[n]u[n]u[n - N]. (a) Roughly sketch x[n] showing all its non-zero samples. (b) Let

Consider a discrete-time (DT) signal x[n] = (5-n)ps [n] where PN[n]u[n]u[n - N]. (a) Roughly sketch x[n]

Consider a discrete-time (DT) signal x[n] = (5-n)ps [n] where PN[n]u[n]u[n - N]. (a) Roughly sketch x[n] showing all its non-zero samples. (b) Let y[n] = x[-n+3]. Sketch y[n] showing all its non-zero samples. (c) Determine and sketch r[n] + y[n -2]. (d) Determine and sketch r[n]y[n-2].

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