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Please explain and give an example for each of the following: What is the relationship between the...

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Electrical Engineering

Please explain and give an example for each of thefollowing:

What is the relationship between the FFT of a signal and thelength of the sinewave, i.e. the number of samples?

What is the relationship between the FFT of a signal and thefrequency of the sine wave?

What the region of main spectral energy is

Answer & Explanation Solved by verified expert
3.6 Ratings (411 Votes)
According to Nyquist sampling thereom we can reconstruct the message signal from its sampled version only if sampling frequency is greater than two times frequency of message signal While taking FFT of Sine wave signal we are doing the same thing    See Answer
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