Extracting Phases from Aperiodic Signals
classification
❄️ cond-mat.dis-nn
cond-mat.stat-mech
keywords
aperiodicphaseproblemsignalacademicarbitrarinesscomponentsdecomposition
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We demonstrate by means of a simple example that the arbitrariness of defining a phase from an aperiodic signal is not just an academic problem, but is more serious and fundamental. Decomposition of the signal into components with positive phase velocities is proposed as an old solution to this new problem.
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