caa a22 4500 475813456 CHVBK 20180406123803.0 cr unu---uuuuu 170329e20001001xx s 000 0 eng 10.1007/PL00001052 doi (NATIONALLICENCE)springer-10.1007/PL00001052 Seismic Amplitude Inversion for Interface Geometry of Multi-layered Structures [Elektronische Daten] [Y. Wang, R. G. Pratt] —Seismic amplitude data are used to invert for the geometry of reflection interfaces of multi-layered structures, in which the reflection interface is parameterised by a set of Fourier series with different wavenumbers. Two main difficulties arise in amplitude inversion: a high wavenumber oscillation artificially generated by inversion on shallow interfaces, and a failure to recover the long wavelength components of deep, curved interfaces. To overcome these difficulties, the capabilities of two inversion algorithms, a damped subspace method and a multi-scale scheme are investigated. Based on those two schemes, we develop a multi-stage damped subspace method to abate the instability of high wavenumber components and, simultaneously, to enhance the resolution of the low wavenumber components of the subsurface reflectors from seismic amplitude inversion. Birkhäuser Verlag Basel,, 2000 Key Words: Seismic inversion, amplitude inversion, reflection tomography, subspace method nationallicence Wang Y. Robertson Research International Ltd., Horizon House, Azalea Drive, Swanley, Kent, BR8 8JR, UK. E-mail: yanghua@geo.robresint.co.uk, GB aut Pratt R. G. Department of Geological Sciences, Queen's University, Kingston, Ontario, Canada K7L 3N6., CN aut https://doi.org/10.1007/PL00001052 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/PL00001052 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Wang Y. Robertson Research International Ltd., Horizon House, Azalea Drive, Swanley, Kent, BR8 8JR, UK. E-mail: yanghua@geo.robresint.co.uk, GB aut NATIONALLICENCE 700 1- Pratt R. G. Department of Geological Sciences, Queen's University, Kingston, Ontario, Canada K7L 3N6., CN aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer