Method for self-adaptively removing strong reflection of earthquake
A strong reflection, self-adaptive technology, applied in seismic signal processing and other directions, can solve the problem of not specifically removing strong seismic reflection.
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[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings:
[0039] A method for adaptively removing strong seismic reflections. The method first calculates the instantaneous phase cosine of the entire three-dimensional seismic data volume; for the instantaneous phase cosine data volume, the cross-correlation method is used to automatically pick up the reflection time of the specified strong reflection; along the picked reflection In time, the optimal wavelet is searched for each channel according to the principle of maximum matching projection, and the corresponding optimal wavelet is subtracted from the seismic data of each channel to obtain the seismic data volume with the specified strong reflection removed.
[0040] Such as figure 1 As shown, the method for adaptively removing strong seismic reflections of the present invention includes the following steps:
[0041] (1) Input the 3D seismic data volume, and use the Hilb...
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