Helical scheme for 2-D prestack migration based on double-square-root equation

SEG Technical Program Expanded Abstracts

Volumn 20, Issue 1, 2001, Pages 1057-1060

  Zhang, Guanquan ^a   Shan, Guojian ^a  

^a INSTITUTE OF COMPUTATIONAL MATHEMATICS AND SCIENTIFIC ENGINEERING COMPUTING   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84955591996     PISSN: 10523812     EISSN: 19494645     Source Type: Conference Proceeding    
DOI: 10.1190/1.1816263     Document Type: Conference Paper

References (9)

1. Claerbout, J. F., 1998, Multidimensional recursive filters via a helix with application to velocity estimation and 3-D migration: 68th Annual Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1995-1998.
2. Yilmaz, O., and Claerbout, J. F., 1980, Prestack partial migra-tion:Geophysics, 45, 1753-1779.
3. Popovici, A. M., 1996, Prestack migration by split-step DSR:Geophysics, 61, 1412-1416.
4. Collino, F.,1997, Perfectly Matched Absorbing Layers for the Paraxial Equations: Journal of Compuational Physics, 131, 164-180.
5. Stoffa, P. L., Fokkema, J. T., de Luna Freire, R. M., and Kessinger, W. P., 1990, Split-step Fourier migration: Geophysics, 55, no.4, 410-421.
6. Ristow, D., and Ruhl, T., 1994, Fourier finite-difference migration: Geophysics, 59, no.12, 1882-1893.
7. Zhang, G., Zhang, Y., and Zhou, H., 2000, Helical finite-difference schemes for 3-D depth migration,70th Annual Internat. Mtg.,Soc. Expl. Geophys., Expanded Abstracts, 862-865.
8. Zhang, G., Zhang, W., and Hao, X., 1999, Prestack depth migration with common-shot and synthesis-shot records, 69th Annual Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1469-1472.
9. Zhang, G., 1993, Square-root operator and its application in numerical solution of some wave problems: Proceedings of 1-st China-Japan Seminar on Numerical Mathematics, 204-214.