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The first method described is using the Fast Fourier Transform of the recorded signal.
A second method is introduced using the auto-correlation of the signal: remaining steps are to approximate the period of the auto-correlation and from there calculate the approximate frequency of the original signal.
The text was updated successfully, but these errors were encountered:
The first method described is using the Fast Fourier Transform of the recorded signal.
A second method is introduced using the auto-correlation of the signal: remaining steps are to approximate the period of the auto-correlation and from there calculate the approximate frequency of the original signal.
The text was updated successfully, but these errors were encountered: