Wavelet Transforms in Time Series Analysis
• It is also a tool for decomposing a signal by location and frequency. Consider the Fourier transform: A signal is only decomposed into its frequency components. No information is extracted about location and time. • What happens when applying a Fourier transform to a signal that has a time varying frequency? 0 2 4 6 8 10 12 14 16 18 20 ...
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