Let f(t) be an arbitrary signal with bandwidth Ω. Determine the minimum sampling frequencies ωs needed to sample the following a
nalog signals without causing aliasing error. (a) f1(t) = f(t) sin(4000πt) (b) f2(t) = f(t) ∗ sin(4000πt) (c) f3(t) = f(t) ∗ f(sample the following analog signals without causing aliasing error
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Answer:
Explanation:
The first thing we will do is convert the units. Miles per hour to meters per second.
Performing the operations
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Where v = speed and t = time
Substituting the values of