Fractal analyses of HRV signals: a comparative study
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1Biomedical Engineering Department, Rutgers University, Piscataway, NJ, USA. akay@rci.rutgers.edu
Methods of Information in Medicine
|February 21, 1998
Abstract:
In this paper, we have investigated the scaling behavior of the heart rate variability signals using the power spectral density (PSD), the discrete wavelet transform (DWT), and dispersive analysis (DA), and the maximum likelihood estimator (MLE) method. Results suggested the lowest variance for the MLE method, greatest variance for the PSD methods, the other methods somewhere in between.
