Question: 11 -

Which among the below mentioned transform pairs is/are formed between the auto-correlation function and the energy spectral density, in accordance to the property of Energy Spectral Density (ESD)?

All of the above

Fourier Transform

Z-Transform

Laplace Transform

Answer:

Fourier Transform

Solution not available.

Question: 12 -

According to Rayleigh's theorem, it becomes possible to determine the energy of a signal by________

Estimating the area exactly half as that of its amplitude spectrum

Estimating the area under the square root of its amplitude spectrum

Estimating the area under the square of its amplitude spectrum

Estimating the area under the one-fourth power of its amplitude spectrum

Answer:

Estimating the area under the square of its amplitude spectrum

Solution not available.

Question: 13 -

Which function has a provision of determining the similarity between the signal and its delayed version?

None of the above

Auto-correlation Function

Cross-correlation Function

Both a & b

Answer:

Auto-correlation Function

Solution not available.

Question: 14 -

The ESD of a real valued energy signal is always  _________

An odd (non-symmetric) function of frequency

None of the above

An even (symmetric) function of frequency

A function that is odd and half-wave symmetric

Answer:

An even (symmetric) function of frequency

Solution not available.

Question: 15 -

What does the spectral density function of any signal specify?

Consumption of energy or power

Conservation of energy or power

Distribution of energy or power

Generation of energy or power

Answer:

Distribution of energy or power

Solution not available.