Question 2
Marks : +2 | -2
Pass Ratio : 100%
What is Wiener-Khinchin theorem?
Explanation: According to the theorem spectral density of a signal x(t) and auto correlation function makes a fourier tranform pair.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
According to Parseval’s theorem the energy spectral density curve is equal to?
Explanation: According to Parseval/s theorem the energy spectral density function can be given as equal to the square of the magnitude of the signal x(t).
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Energy spectral density defines
Explanation: Energy spectral density gives the signal energy equal to the area under the waveform energy spectral density versus frequency curve.