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Last update: T_KG (10.05.2002)
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Last update: T_KG (14.04.2008)
Acquiring knowledge of methods for solving inverse problems for seismic waves, and knowledge of applicability and resolution of these methods. A student should learn to identify incorrect or incorrectly applied methods. |
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Last update: prof. RNDr. František Gallovič, Ph.D. (10.06.2019)
Oral exam |
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Last update: T_KG (14.04.2008)
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Last update: T_KG (11.04.2008)
Lecture |
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Last update: prof. RNDr. František Gallovič, Ph.D. (06.10.2017)
Zkouška je ústní, požadavky odpovídají sylabu v rozsahu prezentovaném na přednášce. |
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Last update: T_KG (10.05.2002)
Geological structures. Medium correlation functions. Seismic model of the medium (macro model). Macro model and structural images. Refraction and reflection seismic methods. Nonlinear inverse theory, probability density functions: A priori p.d.f., data p.d.f., theoretical p.d.f., a posteriori p.d.f., marginal p.d.f.. Standard distribution (Gaussian). Linearization. Kinematic hypocentre determination (linear and non-linear). Seismic travel-time tomography: Data, model parameters, objective and subjective a priori information, model smoothness, Sobolev scalar products. Resolution and covariance matrices, standard deviations. Transfer of errors in seismic modelling. Seismic migrations: Prestack and poststack migrations. Resolution of seismic migrations. Kirchhoff migrations. Numerical efficiency of migration methods. Seismic wavefield tomography: Representation theorems, Born scattering, frequency-dependent information contained within wide-angle seismic data, Gabor transform, seismic wavefield tomography. Seismic modelling: Software, portability of source codes and data files, programming language standards, computer graphics standards, software packages developed and used at the Department of Geophysics. |