M. Planat et al., IS THE FREQUENCY NOISE OF AN OSCILLATOR OF DETERMINISTIC ORIGIN, IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 43(2), 1996, pp. 326-330
We report on a new multifractal type approach of low-frequency noise i
n oscillators. The time sequence is interrogated by means of a multisc
ale local stability exponent which acts in a sliding filtering window,
Its discontinuities are reflected into a binary coding in which the c
orrelations are analyzed. The mapping of binary data into a devil's st
aircase is used to emphasize the correlated and possibly deterministic
origin of frequency fluctuations in quartz oscillators.