A practical implementation of depth migration by nonstationary phase shift

1999 SEG Annual Meeting

Volumn , Issue , 1999, Pages

  Ferguson, Robert J ^a   Margrave, Gary F ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

COMBINATION FILTERS; CONSTANT VELOCITIES; CONTINUOUS OPERATORS; CONVOLUTION FILTERS; DOWNWARD CONTINUATION; PIECE-WISE CONSTANTS; PRE-STACK DEPTH MIGRATIONS; SYMMETRIC OPERATORS;

CONVOLUTION;

EID: 84955582961     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. Bourgeois, A., Bourget, M., Lailly, P., Poulet, M., Ricarte, P., and Versteeg, R., 1990, Marmousi, model and data: in The Marmousi experience, EAGE.
2. Berkhout, A. J., 1985, Seismic migration: Imaging of acoustic energy by wavefield extrapolation: in Developments in Solid Earth Geophysics, 14 A, Elsevier.
3. Gazdag, J., and Squazerro, P., 1984, Migration of seismic data by phase shift plus interpolation: Geophysics, 49, 124-131.
4. Margrave, G. F., 1998, Theory of nonstationary linear filtering in the Fourier domain with application to time-variant filtering Geophysics, 63, 9244-259.
5. Margrave, G. F., and Ferguson, R. J., 1997, Wavefield extrapolation by nonstationary phase shift: Expanded abstracts 67th SEG International Convention.
6. Margrave, G. F., and Ferguson, R. J., 1999, Wavefield extrapolation by nonstationary phase shift: Geophysics, in press, scheduled for July-August issue.
7. th SEG International Convention, 1716-1719.