1.

Consider the analog signal x(t) = 3 cos 100 πt. If the signal is sampled at 200 Hz, the discrete time signal obtained will be

A. 3 cos (πn/4)
B. 3 cos (πn/2)
C. 3 cos (πn)
D. 3 cos (πn/3)
Answer» C. 3 cos (πn)


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