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# (Solved): 9.2 For the discrete-time periodic signal x[n] (a) Determine its fundamental period No. (b) Suppose ...

9.2 For the discrete-time periodic signal x[n] (a) Determine its fundamental period No. (b) Suppose we sample the continuous-time signal x(t) = cos (?t) with a sampling period T = 0.7. Is the Nyquist sampling condi- tions satisfied? How does the sampled signal compare to x[n]? (c) Under what conditions would sampling a continuous-time signal x(t) = cos (?t) give a discrete-time sinusoid x[n] that resembles x(t)? Explain and give an example. = cos (0.7??),

.2 For the discrete-time periodic signal , (a) Determine its fundamental period . (b) Suppose we sample the continuous-time signal with a sampling period . Is the Nyquist sampling conditions satisfied?How does the sampled signal compare to ? (c) Under what conditions would sampling a continuous-time signal give a discrete-time sinusoid that resembles ? Explain and give an example.

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