Method for interpolating seismic data by anti-alias,...

Details Method for interpolating seismic data by anti-alias,... Method for interpolating seismic data by anti-alias,...

G - Physics

01

V

G01V 1/32 (2006.01) G01V 1/36 (2006.01)

Patent

CA 2658300

An estimated frequency-wavenumber spectrum is generated by applying a first Anti-leakage Fourier transform method to aliased frequency components in temporal-transformed seismic data and applying a second Anti-leakage Fourier transform method to unaliased frequency components in the temporal-transformed seismic data. The second Anti- leakage Fourier transform method applies an absolute frequency-wavenumber spectrum extrapolated from unaliased frequencies to aliased frequencies to weight frequency- wavenumber components of the aliased frequencies. An inverse temporal and spatial Fourier transform is applied to the estimated frequency-wavenumber spectrum, generating trace interpolation of the seismic data.

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