SVD adaptive seismic data noise suppression method
A technology for seismic data and noise suppression, applied in the field of denoising seismic data in shallow formations, can solve problems such as reducing data processing efficiency, achieve the effects of reducing inappropriateness, reducing possibility, and improving quality
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[0045] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0046] see figure 1 As shown in Fig. 1, the mean value filter is used to preprocess the data smoothing, and the strong periodic noise channel is marked according to the difference between the average energy values of each channel. Secondly, the average value of the average time period of each channel is rounded up, and used as the number of columns to construct the Hankel matrix for a single channel, and the correlation between the channels of the reconstruction matrix is strengthened. Finally, SVD (singular value decomposition) is performed on each reconstruction matrix one by one, and the singular values are sent t...
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