1. Prestack exploding reflector model and WEMVA

2. Prestack exploding-reflector model cmp depth subsurface-offset migration with low velocity cmp time cmp time 0.0 S, R – areal source and shotG – Green’s function I s,r – prestack image

3. Prestack exploding-reflector model One-way Areal shot mig. cmp depth subsurface-offset 0.0 t t cmp

4. Crosstalk - Random phase encoding Areal shotAreal source t t 0.0 t t cmp

5. depth subsurface-offsetcmpsubsurface-offset One-way Areal shot mig. (z,x,w) phase-encoding Crosstalk

6. Wemva – forward modeling

7. Wemva – adjoint

8. Prestack exploding reflector model Migration of phase encoded modeling Adjoint of imaging operator

10. Wemva - Objective function

11. Wemva – forward modeling Shen, 2004

12. Wemva – adjoint Shen, 2004