Diffraction wave separation method and device
A diffracted wave and singular value decomposition technology, applied in the field of seismic exploration, can solve problems such as poor diffracted wave effect and diffracted wave distortion
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Embodiment 1
[0060] According to an embodiment of the present invention, an embodiment of a diffracted wave separation method is provided. It should be noted that the steps shown in the flow charts of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.
[0061] figure 1 is a flow chart of a diffraction wave separation method according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:
[0062] Step S102, acquiring frequency domain seismic data of the area to be processed;
[0063] In the embodiment of the present invention, the area to be processed is an area collected in the wild.
[0064] Step S104, performing singular value decomposition on the seismic data in the frequency domain, and per...
Embodiment 2
[0122] The embodiment of the present invention also provides a diffraction wave separation device, which is mainly used to implement the diffraction wave separation method provided in the above-mentioned content of the embodiment of the present invention. The separation device is introduced in detail.
[0123] Figure 7 is a schematic diagram of a diffraction wave separation device according to an embodiment of the present invention, such as Figure 7 As shown, the diffraction wave separation device mainly includes: an acquisition module 11, a decomposition calculation module 12, a first determination module 13 and a second determination module 14, wherein:
[0124] An acquisition module, configured to acquire frequency-domain seismic data in the region to be processed;
[0125] The decomposition calculation module is used to perform singular value decomposition on the frequency domain seismic data, and perform energy entropy calculation according to the decomposed singular ...
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