Calculate the minimum sampling rate to avoid aliasing when a continuous time signal is given by x(t) = 5 cos 400πt
A. 100 Hz
B. 200 Hz
C. 400 Hz
D. 250 Hz
Answer:C
Calculate the minimum sampling rate to avoid aliasing when a continuous time signal is given by x(t) = 5 cos 400πt
A. 100 Hz B. 200 Hz C. 400 Hz D. 250 Hz
Explanation: In the given signal, the highest frequency is given by f = 400 π/ 2π