For question about recognition of patterns (generally sequence of values following a certain mathematical equation) of any physical quantity.

Pattern recognition is concerned with the recognition of patterns and regularities in data, although it is in some cases considered to be nearly synonymous with machine learning. Pattern recognition systems are in many cases trained from labeled "training" data (supervised learning), but when no labeled data are available other algorithms can be used to discover previously unknown patterns (unsupervised learning).

Pattern Recognition - Wikipedia

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