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7 - Stationarity and Spectrograms
Robin Crockett, University of Northampton
Book:

A Primer on Fourier Analysis for the Geosciences

Published online:

01 February 2019

Print publication:

14 February 2019, pp 112-122
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Summary

Stationarity, stationary and non-stationary data in the context of time-series analysis and frequency content. Introduction to spectrograms as a means of investigating time-frequency relationships in data. Time and frequency resolution and uncertainty principle. Worked examples with stationary and non-stationary time-series.