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ACKNOWLEDGEMENTS
TABLE OF CONTENTS
TABLE OF CONTENTS
List of Figures
Introduction
Chapter 2: multisource least-squares reverse time migration
Chapter 3: Least-squares reverse time migration of marine data with frequency-selection encoding
Chapter 4: Super-virtual Interferometric Diffractions as Guide Stars
Multisource Least-squares Reverse Time Migration
Introduction
Theory
Modeling
Numerical Scheme: Quasi-linear Inversion
Numerical Scheme: Linear Inversion
Preconditioning
Phase encoding
Numerical results
HESS VTI model
Signal-to-Noise Analysis
Estimate of Computational Cost
Quasi-linear inversion
Sensitivity of LSRTM to Errors in Migration Velocity
3D SEG/EAGE salt model
Discussion and Conclusion
Least-squares Reverse Time Migration of Marine Data with Frequency-selection Encoding
Introduction
Theory
Single Frequency Response Modeling for a Shot
Forward Modeling of a Supergather
Born Modeling of a Supergather
Migration of a Supergather
Numerical results
The Marmousi2 Model
Single Frequency Modeling Test
Frequency-selection LSRTM
Computational Cost
Field Data Test
Shot-domain RTM
Frequency-selection LSRTM
Computational Cost
Discussion and Conclusion
Super-virtual Interferometric Diffractions as Guide Stars
Introduction
Theory
Reciprocity Equations of Correlation Type
Reciprocity Equations of Convolution Type
Synthetic Data Example
Field Data Example
Conclusion
Conclusions
Bibliography
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LIST OF ABBREVIATIONS
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List of Figures
LIST OF FIGURES
Wei Dai 2013-07-10