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Analysis of noise effects on the nonlinear dynamics of synchronized oscillators

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3 Author(s)
S. Ver Hoeye ; Dept. Ingenieria de Comunicaciones, Cantabria Univ., Santander, Spain ; A. Suarez ; S. Sancho

The higher sensitivity to noise of nonlinear systems near the onset of instability is analyzed here. The analysis is particularized to synchronized oscillators, studying the influence of the proximity to Hopf and Saddle-Node bifurcations. The calculations are compared with former scaling relationships and with results from time-domain integration. The average shift of bifurcation points due to noise perturbations is also analyzed. Two examples are shown: a cubic-nonlinearity oscillator and a 5 GHz hybrid oscillator, for experimental verifications.

Published in:

IEEE Microwave and Wireless Components Letters  (Volume:11 ,  Issue: 9 )