Technical Physics Letters
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Detection of a chaotic signal with noise by quantization over several amplitude levels in the model of a radio engineering chaos generator
Kuzmin L.V.
1
1Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
Email: lvkuzmin@gmail.com
A method for detecting a continuous chaotic signal with a Gaussian noise by quantizing over four amplitudes and comparing the parameters of the obtained discrete sequence with the parameters of a similar sequence for a non-noisy chaotic signal is proposed. A quantization scheme is developed. It is determined by the structure of the phase space of a dynamic system that generates a chaotic signal. The source of the chaotic signal is a model of a radio engineering generator. The identified chaotic signal has a positive senior Lyapunov exponent and a continuous power spectrum. Keywords: chaotic signals, detection of chaotic signals, non-coherent reception of chaotic signals, quantization of chaotic oscillations.
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