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2009 International Conference on Signal Processing Systems
A noisy time series, with both signal and noise varying in frequency and in time, presents special challenges for improving the signal to noise ratio. A modified S-transform time-frequency representation is used to filter a synthetic time series in a two step filtering process. The filter method appears robust within a wide range of background noise levels.doi:10.1109/icsps.2009.63 fatcat:hs4emktdtfaitnr2ok66hurf6y