Question: 5 2 0 The function f ( t ) = 3 c o s 5 0 0 t + 5 c o s 8 0

520 The function f(t)=3cos500t+5cos800t is sampled at 400 samples per second starting at t=0.00025s. What false alias frequencies would you expect in the output?
522 What would be the minimum sampling rate to avoid false frequencies in the sampled data for the function in Problem 5.20?
5 2 0 The function f ( t ) = 3 c o s 5 0 0 t + 5

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