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Research report: Comparison of different time-frequency representations.

Mariia Fedotenkova 1 Axel Hutt 1 
1 NEUROSYS - Analysis and modeling of neural systems by a system neuroscience approach
Inria Nancy - Grand Est, LORIA - AIS - Department of Complex Systems, Artificial Intelligence & Robotics
Abstract : This report summarises the work done as part of my PhD studies. It compares several different time-frequency representations: short-time Fourier transform and spectrogram, continuous wavelet transform and scalogram, Wigner-Ville distribution and its modifications, Choi-Williams distribution, Reassigned spectrogram. Two test data sets were used: sum of sines and frequency-modulated signal. Above time-frequency representations were tested on test signals with different noise levels. Reassigned spectrogram was chosen as the most suitable for this research work method and afterwards applied to real EEG signals.
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https://hal.inria.fr/hal-01092552
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Submitted on : Monday, December 8, 2014 - 11:34:52 PM
Last modification on : Wednesday, October 26, 2022 - 8:14:46 AM
Long-term archiving on: : Saturday, April 15, 2017 - 4:37:26 AM

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  • HAL Id : hal-01092552, version 1

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Mariia Fedotenkova, Axel Hutt. Research report: Comparison of different time-frequency representations.. [Research Report] INRIA Nancy. 2014. ⟨hal-01092552⟩

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