Abstract
– The system discussed recently by Cao and Wu in Europhys. Lett., 61 (2003) 593, merely reproduces properties of the input signal. Stochastic resonance (SR) is an example of a constructive role of noise, where the noise and a dynamical system act together to reinforce the output of the latter. Recently, Cao and Wu in ref. [1] discussed an overdamped, linear… (More)