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Migration Operators and Impulse Responses

Migration Operators and Impulse Responses. Velocity Field Laterally Invariant Single Vz Function. Migration Of This Single Trace Moves The Energy Back to the Point Of Diffraction. All Impulse Responses are Symmetrical. Point Diffractors. Simple Kirchhoff Time Migration.

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Migration Operators and Impulse Responses

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  1. Migration Operators and Impulse Responses

  2. Velocity Field Laterally Invariant Single Vz Function Migration Of This Single Trace Moves The Energy Back to the Point Of Diffraction All Impulse Responses are Symmetrical Point Diffractors Simple Kirchhoff Time Migration All Operators are Symmetrical

  3. Velocity Field Laterally Variable Velocity Function Slower Velocity Function Faster Local Velocity Field Considered Invariant at Point of Diffraction All Impulse Responses are Asymmetrical Complex Kirchhoff Time Migration All Operators are Symmetrical

  4. Velocity Field Laterally Variable Diffractions Mapped Along Ray Paths All Impulse Responses are Asymmetrical True Local Velocity Field at Point of Diffraction – Time and Space Variant Kirchhoff Depth Migration All Operators are Asymmetric and Non-Hyperbolic

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