REFERENCES

Biondi, B., 2002, Prestack imaging of overturned and prismatic reflections by reverse time migration: SEP-111, 123-139.

Claerbout, J. F., 1971, Toward a unified theory of reflector mapping: Geophysics, 36, no. 3, 467-481.

Etgen, J., 1986, Prestack reverse time migration of shot profiles: SEP-50, 151-170.

Jacobs, B., 1982, The prestack migration of profiles: SEP-34.

Lee, D., Mason, I. M., and Jackson, G. M., 1991, Split-step fourier shot-record migration with deconvolution imaging:, in Geophysics Soc. of Expl. Geophys., 56, 1786-1793.

 

velocity Figure 8 Velocity model with a Gaussian low velocity anomaly.

 

shot-700
Figure 9 (a) Source wavefield. (b) Receiver wavefield at the reflector depth (700 m).

 

shot-500
Figure 10 (a) Source wavefield. (b) Receiver wavefield at a shallower depth position (500 m).

 

700
Figure 11 Source and receiver wavefields at the reflector depth at 1000 m offset. (a) Source wavefield (b) Receiver wavefield (c) Cross-correlation (d) Deconvolution (b) by (a) in the time domain (e) Deconvolution (b) by (a) in the Fourier domain.

 

700-2000
Figure 12 Source and receiver wavefields at the reflector depth at 2000 m offset. (a) Source wavefield (b) Receiver wavefield (c) Cross-correlation (d) Deconvolution (b) by (a) in the time domain (e) Deconvolution (b) by (a) in the Fourier domain.

 

500
Figure 13 Source and receiver wavefields shallower than the reflector depth at 1000 m offset. (a) Source wavefield (b) Receiver wavefield (c) Cross-correlation (d) Deconvolution (b) by (a) in the time domain (e) Deconvolution (b) by (a) in the Fourier domain.

 

500-2000
Figure 14 Source and receiver wavefields shallower than the reflector depth at 2000 m offset. (a) Source wavefield (b) Receiver wavefield (c) Cross-correlation (d) Deconvolution (b) by (a) in the time domain (e) Deconvolution (b) by (a) in the Fourier domain.