An analog signal Xa(t) = sin(480pit)+3sin(720pit) is sampled 600 times per second . a) determine the nyquist sampling rate for Xa(t) and the folding frequency ? b)what are the frequencies in radians, in the resulting discrete time signals x(n) ? c)if x(n) is passed through an ideal D/A converter , what is the reconstructed signal Ya(t)

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