The continuous wavelet transform (CWT) is a mathematical tool used to analyze signals by breaking them down into wavelets, which are localized oscillatory functions. It allows for the representation of a signal in both time and frequency domains, making it particularly useful for examining non-stationary signals that change over time. The CWT provides a way to visualize how the frequency content of a signal evolves, which is essential in various applications including signal processing, image analysis, and even geophysics.
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