This paper begins with the basic principles of finite-difference migration and diffraction scan migration, and then compares the processing results of the practical ground penetrating radar GPR data with these two mig...This paper begins with the basic principles of finite-difference migration and diffraction scan migration, and then compares the processing results of the practical ground penetrating radar GPR data with these two migration methods. It is illustrated that migration can refocus the reflecting points in radar record to their true spatial location and provide the foundation for interpretation, thus improving precision of interpretation of (GPR) profiles. Key words finite-difference wave equation migration - diffraction scan migration - GPR - migration image CLC number TN 715.7 Foundation item: Supported by the National Natural Science Foundation of China (50099620) and the National High Technology Development 863 Program of China (2001AA132050-03)Biography: Shi Jing (1979-), female, Master candidate, research direction: signal processing展开更多
文摘This paper begins with the basic principles of finite-difference migration and diffraction scan migration, and then compares the processing results of the practical ground penetrating radar GPR data with these two migration methods. It is illustrated that migration can refocus the reflecting points in radar record to their true spatial location and provide the foundation for interpretation, thus improving precision of interpretation of (GPR) profiles. Key words finite-difference wave equation migration - diffraction scan migration - GPR - migration image CLC number TN 715.7 Foundation item: Supported by the National Natural Science Foundation of China (50099620) and the National High Technology Development 863 Program of China (2001AA132050-03)Biography: Shi Jing (1979-), female, Master candidate, research direction: signal processing
