Bjørn Ursin
Bakgrunn og aktiviteter
Vitenskapelig, faglig og kunstnerisk arbeid
Et utvalg av nyere tidsskriftspublikasjoner, kunstneriske produksjoner, bok, inklusiv bokdeler og rapport-del. Se alle publikasjoner i databasen
Tidsskriftspublikasjoner
- (2023) Solving the non-linear Riccati equation for the 1D plane-wave reflection response from a velocity gradient interface by a Heun to hypergeometric reduction. Geophysics. vol. 88 (1).
- (2022) Ultralow-frequency amplitude variation with angle inversion of plane-wave primary reflection seismograms. Geophysics. vol. 87 (2).
- (2022) The plane-wave primary reflection response from an impedance gradient interface. Journal of the Acoustical Society of America. vol. 152 (1).
- (2021) Pseudo-elastic PP and PSSP modeling in stratified media. Geophysics. vol. 87 (1).
- (2021) Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in ray-centred coordinates. Geophysical Journal International. vol. 226 (2).
- (2021) Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: transformation between Cartesian and ray-centred coordinates. Geophysical Journal International. vol. 226 (2).
- (2021) Amplitude and phase changes for reflected and transmitted waves from a curved interface in anisotropic media. Geophysical Journal International. vol. 224 (1).
- (2021) Signal time-frequency representation and decomposition using partial fractions. Geophysical Journal International. vol. 226 (1).
- (2021) Signal time-frequency representation and decomposition using partial fractions. Geophysical Journal International. vol. 226.
- (2020) Transition operator approach to seismic full-waveform inversion in arbitrary anisotropic elastic media. Communications in Computational Physics. vol. 28 (1).
- (2020) Seismic surveying and imaging at the laboratory scale: A framework to cross-validate experiments and simulations for a salt-body environment. Geophysics. vol. 85 (3).
- (2019) Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in Cartesian coordinates. Geophysical Journal International. vol. 216 (3).
- (2019) Higher-order dynamic ray tracing in ray-centred coordinates. SEG technical program expanded abstracts.
- (2019) Signal decomposition and time-frequency representation using iterative singular spectrum analysis. Geophysical Journal International. vol. 217 (2).
- (2018) Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. Society of Exploration Geophysicists. Expanded Abstracts with Biographies.
- (2018) How to adapt numerical simulation of wave propagation and ultrasonic laboratory experiments to be comparable — A case study for a complex topographic model. Geophysics. vol. 83 (4).
- (2017) Analysis of Wave Scattering from a Viscoelastic Layer with Complex Shape. Journal of Computational Acoustics. vol. 25 (3).
- (2017) On the parameterization of seismic anisotropy in elastic waveform inversion: The HTI case. EAGE extended abstracts.
- (2017) On the parametrization of seismic anisotropy for ray-Born inversion. Seismic Waves in Complex 3-D Structures. vol. 27.
- (2017) 3D marine magnetotelluric inversion: A hybrid impedance and direct-field approach. Geophysics. vol. 82 (6).