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His analysis simply does a timefrequency plot with wavelets as opposed to the classical Fourier approach.

While you are on to it, it would be nice if you could do some timefrequency analysis on data If you are using Matlab, see here and here; the tutorial of the TFR toolbox is good reading for everyone interested in this topic.

Topics covered include: filters and delays, modulators and demodulators, nonlinear processing, spatial effects, timesegment processing, timefrequency processing, sourcefilter processing, spectral processing, time and frequency warping musical signals.

STK  Seismic ToolKit is a tool designed for seismic signal processing in graphical interface: various filters, spectral analysis, polarization, timefrequency, Hilbert transform, instrumental response, etc.

Magnetometer: 137.229.36.30 It is a timefrequency spectrogram, which shows the frequency content of signals recorded by the HAARP Induction Magnetometer.

Magnetometer  you will now see 3 images based on a timefrequency spectrogram, which shows the frequency content of signals recorded by the HAARP Induction Magnetometer.

HAARP Induction Magnetometer: 137.229.36.30 It is a timefrequency spectrogram, which shows the frequency content of signals recorded by the HAARP

The image in this video is a timefrequency spectrogram, which shows the frequency content of signals recorded by the HAARP Induction Magnetometer.
WN.com  Articles related to Australia mining firm strikes gold in RP

A variety of features were extracted in the time and timefrequency domains after swallow segmentation and preprocessing.

(In fact, one can combine the physical and frequency domains together into a product domain known as phase space, and there are entire fields of mathematics (e.g. microlocal analysis, geometric quantisation, timefrequency analysis) devoted to performing analysis on these sorts of spaces directly, but this is beyond the scope of this course.)
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