Due to the non-stationary nature of seismic signals,it is often necessary to employ time-frequency analysis techniques to accurately describe the frequency variation of signals over time.This paper investigates the application of Empirical Mode Decomposition(EMD)and Hilbert-Huang Transform(HHT)methods in seismic signal processing,and introduces and compares the existing mainstream methods,for addressing the endpoint effect issue in seismic signal processing.
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