Multichannel prediction deconvolution method based on primary wave sparsity constraint
A technology for predicting deconvolution and sparse constraints, applied in seismic signal processing, etc., can solve problems such as inability to effectively balance primary wave protection, multiple wave suppression, etc.
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[0062] Basic thought of the present invention is:
[0063] Multiple wave suppression is performed one by one in 2D data windows. First, the limited support domain of the 2D prediction filter is determined, and then the corresponding convolution matrix and mathematical model are constructed, and an optimization problem that imposes sparse constraints on the primary waves is constructed:
[0064] arg m i n x Ω | | u - U Ω x Ω | | 1 ,
[0065] Among them, u is the original data, x Ω Contains only filter coefficients in the finite support domain, U Ω is the corresponding convolution matrix. Solve the optimization problem in the above formula to estimate the 2D prediction filter, realize the e...
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