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WorksheetsSignal Classification Quiz
Total questions: 10
Worksheet time: 5mins
Which of the following is true for an energy signal?
Infinite energy, finite power
Finite energy, zero average power
Finite power, infinite energy
Infinite energy and infinite power
A power signal typically has:
Zero average power
Infinite energy over time
Both finite energy and finite power
Energy equal to zero
The signal x(t)=sin(2πt) is classified as:
Energy signal
Random signal
Power signal
Nonharmonic signal
Which of the following is an example of a deterministic signal?
Random noise
Human voice
Square wave
White Gaussian noise
A probabilistic signal is:
Always periodic
Completely predictable
Best described using statistics
Always a power signal
Which of the following signals is not periodic?
sin(3πt)+sin(6πt)
sin(2πt)+sin(3π2t)
cos(4πt)
sin(2πt)+sin(4πt)
Which condition must be satisfied for a signal to be a power signal?
Total energy is finite
Power is infinite
Average power is finite and non-zero
Total energy equals zero
The signal x(t)=e−tu(t)x(t) = e^{-t} u(t)x(t)=e−tu(t) is:
Energy signal
Power signal
Harmonic signal
Random signal
Harmonic signals must be:
Probabilistic
Deterministic and periodic
Non-periodic
Always random
White Gaussian noise is best classified as:
Deterministic power signal
Harmonic energy signal
Probabilistic power signal
Deterministic energy signal
