Discrete-time Signals
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1
A signal that has finite total energy is classified as a(n):
A.Power signal
B.Energy signal
C.Periodic signal
D.Random signal
2
The process of obtaining a discrete-time signal from a continuous-time signal is called:
A.Sampling
B.Convolution
C.Modulation
D.Integration
3
The Nyquist sampling theorem requires sampling a signal at a rate of at least:
A.Half the highest frequency
B.Twice the highest frequency present
C.The same as the highest frequency
D.Ten times the bandwidth
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