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Frequency-Shift Induced by Colored Noise in Nonlinear Oscillators

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1 Author(s)
Maffezzoni, P. ; Politecnico di Milano, Milano

This brief employs a perturbation phase-domain model to numerically investigate the phenomenon of frequency-shift induced by colored-noise in nonlinear oscillators. It is shown that colored-noise with frequency decaying spectrum tends to induce a frequency-shift phenomenon both in almost-linear oscillators and in nonlinear topologies such as ring oscillators. It is also shown that the relevance of the phenomenon depends linearly on the noise variance.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:54 ,  Issue: 10 )