In the plot squared length of Fourier coefficients vs frequency, the peak gives the strongest frequency. does it give the accurate value of period?? Is it like a single frequency in frequency domain corresponds to a range of periods??

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    $\begingroup$ This is a question in signal processing. $\endgroup$ Mar 13 '14 at 13:22
  • $\begingroup$ @YuvalFilmus, do you mean it is not a question in computer science? $\endgroup$
    – usul
    Mar 13 '14 at 20:32
  • $\begingroup$ @usul I'd say it's electrical engineering, though signal processing is definitely used by people working in CS departments. $\endgroup$ Mar 14 '14 at 2:15

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