Study variability video

Click here to access eCar (v1.1)

Heart Rate Variability study (HRV)

The power spectrum density calculation (associated with the Welch modified periodogram) is used to estimate sympathetic and parasympathetic activity of the central nervous system of a human subject.

The analysis is parameterizable from the following:

  • the type, length, and overlap rate of the data windowing (Hanning, Barlett, etc),
  • the sample frequency.

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