Is the frequency noise of an oscillator of deterministic origin? |
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| Authors: | Planat M. Giordano V. Marianneau G. Vernotte F. Mourey M. Eckert C. Miehe J.A. |
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| Affiliation: | CNRS, Univ. de Franche-Comte, Besancon; |
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| Abstract: | We report on a new multifractal type approach of low-frequency noise in oscillators. The time sequence is interrogated by means of a multiscale local stability exponent which acts in a sliding filtering window. Its discontinuities are reflected into a binary coding in which the correlations are analyzed. The mapping of binary data into a devil's staircase is used to emphasize the correlated and possibly deterministic origin of frequency fluctuations in quartz oscillators |
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