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- W2369769310 abstract "Seismic data are nonlinear and nonstationary signals,traditional analysis methods include short-time Fourier transform,wavelet analysis,Cohen's class timefrequency analysis and so on;Hilbert-Huang transform is a new kind of method to analyze nonstationary signals,the key part of the method is the empirical mode decomposition(EMD) method with which any complicated data set can be decomposed into a finite and often small number of intrinsic mode functions(IMFs) that admit well-behaved Hilbert transforms.Use it to a seismic trace,the EMD decomposes trace into several IMFs and instantaneous frequency of the trace are required;Use it to a seismic section,it provides instantaneous frequency and instantaneous phase seismic attributes which are more meaningful than before;Model test and actual application have shown the validity of this method." @default.
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- W2369769310 title "Seismic signal time-frequency analysis and attributes extraction based on HHT" @default.
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