1.

Suppose x(t) = cos (πt) + 3 sin (2πt) + sin (4πt). Determine the condition on the sampling interval Ts so that each x(t) is uniquely represented by the discrete time sequence x[n] = x(nTs).

A. \({T_S} < \frac{1}{4}\)
B. \({T_S} < \frac{1}{8}\)
C. \({T_S} > \frac{1}{4}\;\)
D. \({T_S} > \frac{1}{8}\)
Answer» B. \({T_S} < \frac{1}{8}\)


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