Robustness of Supersensitivity to Small Signals in Nonlinear Dynamical Systems
Changsong Zhou, C. -H. Lai
Abstract
Nonlinear dynamical systems possessing an invariant subspace can display interesting dynamical behavior, such as on-off intermittency and bubbling. This letter shows that a class of such systems have amazing features of (1) supersensitivity to small input signals and (2) robustness of the supersensitivity in the presence of noise. These features make the systems very promising as small signal detectors.
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