METHOD FOR EXTRACTING NON-PERIODICAL PATTERNS MASKED BY PERIODICAL PATTERNS, AND DEVICE IMPLEMENTING THE METHOD

摘要

A method is provided for extracting information of interest from a measurement signal having a periodic interference pattern, which includes steps (i) of generating a filtering function representing the frequency components of the interference pattern, by implementing an analysis of an amplitude spectrum of the measurement signal based on morphological criteria, (ii) of applying the filtering function to the measurement signal so as to generate an interference signal constituted essentially by the interference pattern, and (iii) of calculating a filtered signal by carrying out a difference between the measurement signal and the interference signal.;The invention also relates to a device implementing the method.