A Waveform Inversion Method for Phase Feature Recognition Based on Progressive Data Assimilation Method
A waveform inversion and feature recognition technology, applied in the field of exploration seismic waveform recognition technology and deep learning, can solve the problems of FWI failure to converge, wrong inversion results, etc., to solve the cycle jump problem, ensure reliability, and improve inversion efficiency. Effect
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[0036] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.
[0037] A waveform inversion method for phase feature recognition based on progressive data assimilation method, such as figure 1 As shown, the waveform screening mechanism is added to the traditional full waveform inversion process to avoid the occurrence of cycle jumps, and the seismic data to be inverted is divided according to fixed-length time windows. After all the time windows are obtained, the comparison between the observed data and the theoretical data Wavef...
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