Problem 1. (a) Consider the continuous-time signal r,(t) below. A discrete-time signal is created by 27...

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Problem 1. (a) Consider the continuous-time signal r,(t) below. A discrete-time signal is created by 27 Plot the DTFT of zn], 40 sampling r(t) according to an] = #1 (nT,) for T, X;(w), over -x <w<a. 2* f sin(2.50) 2 cos(5t) (1) = T, (b) Repeat part (a) for T, 15 (c) Consider the continuous-time signal a(t) below. A discrete-time signal is created by sampling r(t) according to an] = 21 (nT,) for T, X, (w), over - <w<R. 27 Plot the DTFT of an), 30 2n f sin(2.5t)| 2(t) = T, 5 2 sin(5t) %3D at 27 (d) Repeat part (c) for T, 15 Problem 1. (a) Consider the continuous-time signal r,(t) below. A discrete-time signal is created by 27 Plot the DTFT of zn], 40 sampling r(t) according to an] = #1 (nT,) for T, X;(w), over -x <w<a. 2* f sin(2.50) 2 cos(5t) (1) = T, (b) Repeat part (a) for T, 15 (c) Consider the continuous-time signal a(t) below. A discrete-time signal is created by sampling r(t) according to an] = 21 (nT,) for T, X, (w), over - <w<R. 27 Plot the DTFT of an), 30 2n f sin(2.5t)| 2(t) = T, 5 2 sin(5t) %3D at 27 (d) Repeat part (c) for T, 15

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