McClintock, Peter V.E.; Stefanovska, Aneta - In: Physica A: Statistical Mechanics and its Applications 314 (2002) 1, pp. 69-76
Signals derived from the human cardiovascular system are well known to exhibit highly complex, nearly periodic, oscillatory behaviour whose nature is something of an enigma. It has, for example, been variously described as chaotic, fractal, stochastic, and subject to 1/f fluctuations—and its...