Wang, Jun; Ning, Xinbao; Chen, Ying - In: Physica A: Statistical Mechanics and its Applications 323 (2003) C, pp. 561-568
Electronic Cardiogram (ECG) data taken from healthy adult subjects are found to characterize multifractality. In order to quantitatively analyze multifractal spectrum, the area of the spectrum is computed. We have a comparison between the spectrum of the young subjects and that of the old ones....