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979 (0,082s) •

Project

Seismic waves in heterogeneous anisotropic viscoelastic media (GA20-06887S)

The project is devoted to the study of seismic wave propagation. In forward modelling of attenuation, we shall apply perturbation expansion of complex with coupling ray theory for S waves, summation of Gaussian bea...

Acoustics

  • 2020 - 2022
    • •
  • 4 910 tis. Kč
    • •
  • 4 910 tis. Kč
    • •
  • GA ČR
Project

Seismic wave propagation in complex structures ? perturbation approaches II (GAP210/11/0117)

in regions of special interest for geophysics. Seismic waves propagating in such media properties of the medium. Study of wave propagation in heterogeneous weakly attenuating perturbation approaches in two importa...

DC - Seismologie, vulkanologie a struktura Země

  • 2011 - 2014
    • •
  • 4 426 tis. Kč
    • •
  • 4 426 tis. Kč
    • •
  • GA ČR
Project

Seismic wave propagation in complex structures - perturbation approaches (GA205/08/0332)

Seismic observations indicate that the Earth is anisotropic and anelastic in regions of special interest for geophysics. Seismic waves propagating in such media quantitatively the combined effects of attenuation an...

DC - Seismologie, vulkanologie a struktura Země

  • 2008 - 2010
    • •
  • 1 323 tis. Kč
    • •
  • 1 323 tis. Kč
    • •
  • GA ČR
Project

Seismic anisotropy and attenuation retrieved from acoustic emissions and observations of natural and induced seismicity (GC16-19751J)

The project proposes development of new methods for determining seismic anisotropy and attenuation of geological structures and their application to seismically active regions with natural and induced seismicity in...

DC - Seismologie, vulkanologie a struktura Země

  • 2016 - 2018
    • •
  • 4 992 tis. Kč
    • •
  • 4 154 tis. Kč
    • •
  • GA ČR
Project

Asymptotic full-waveform inversion of seismic data in complex media (GC21-15272J)

for forward modelling of seismic waves in heterogeneous anisotropic viscoelastic media of asymptotic full-waveform inversion of seismic data in complex media. We have already inversion of seismic data. Such an inv...

Acoustics

  • 2021 - 2023
    • •
  • 2 973 tis. Kč
    • •
  • 2 973 tis. Kč
    • •
  • GA ČR
Project

Seismic waves and sources in anisotropic media II (IAA300120801)

in modelling of seismic waves and in moment tensor inversions. We propose to investigate seismic waves and sources in anisotropic media with focus on: the complex behaviour of wavefields near singularities, modell...

DC - Seismologie, vulkanologie a struktura Země

  • 2008 - 2012
    • •
  • 2 968 tis. Kč
    • •
  • 2 968 tis. Kč
    • •
  • AV ČR
Project

Seimic waves and sources in anisotropic media (IAA3012309)

to investigate seismic waves and sources in anisotropic media with focus on: the complex modifications for propagation of seismic waves in weakly anisotropic media; the reliable of seismic waves ...

DC - Seismologie, vulkanologie a struktura Země

  • 2003 - 2006
    • •
  • 4 016 tis. Kč
    • •
  • 2 016 tis. Kč
    • •
  • AV ČR
Project

Anisotropy of seismic waves in the uppermost part of the Earth crust (KJB3046301)

Project aims to develop techniques for using shear waves in shallow seismic surveys, mostly for determination of rock anisotropy in-situ. Converted shear waves will be used. This will allow usage of simple and cheap sources...

DC - Seismologie, vulkanologie a struktura Země

  • 2003 - 2005
    • •
  • 1 611 tis. Kč
    • •
  • 1 201 tis. Kč
    • •
  • AV ČR
Project

Seismic waves in viscoelastic anisotropic media (GA205/05/2182)

on seismic waves. We plan to start with the study of plane harmonie waves propagating of a theory of propagation of seismic waves in inhomogeneous viscoelasticMany seismic observations indicate t...

DC - Seismologie, vulkanologie a struktura Země

  • 2005 - 2007
    • •
  • 1 606 tis. Kč
    • •
  • 1 606 tis. Kč
    • •
  • GA ČR
Project

Seismic waves in inhomogeneous weakly anisotropic media (GA16-05237S)

Seismic anisotropy, mostly weak, is an omnipresent property of the Earth’s interior. Although weak, it influences seismic wave propagation considerably, especially S-wave propagation. It also affects the applicabil...

DC - Seismologie, vulkanologie a struktura Země

  • 2016 - 2018
    • •
  • 8 386 tis. Kč
    • •
  • 7 008 tis. Kč
    • •
  • GA ČR
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