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Estimation of sinusoidal signals using measurement of chaotic signals

Chaotic dynamical systems are extremely sensitive to initial conditions and their behavior is unpredictable. On the other hand, in regulation theory, an exosystem is available when it's known; however, if it is unknown, it should be estimated with any adaptable recognition technique. This paper presents a perturbed chaotic oscillator by a unknown sinusoidal signal, in which the perturbed signal is estimated by measuring the output of the chaotic oscillator.