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).
1
\({T_S} < \frac{1}{4}\)
2
\({T_S} < \frac{1}{8}\)
3
\({T_S} > \frac{1}{4}\;\)
4
\({T_S} > \frac{1}{8}\)