Direct imaging for the moment tensor point sources of elastic waves

@article{Wang2021DirectIF,
  title={Direct imaging for the moment tensor point sources of elastic waves},
  author={Xianchao Wang and Yukun Guo and Sara Bousba},
  journal={J. Comput. Phys.},
  year={2021},
  volume={448},
  pages={110731}
}
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References

SHOWING 1-10 OF 42 REFERENCES

Solving the multi-frequency electromagnetic inverse source problem by the Fourier method

Fourier method for solving the multi-frequency inverse source problem for the Helmholtz equation

We consider an inverse source problem for the Helmholtz equation. This is concerned with the reconstruction of an unknown source from multi-frequency data obtained from the radiated fields. Based on…

Fourier method for recovering acoustic sources from multi-frequency far-field data

We consider an inverse source problem of determining a source term in the Helmholtz equation from multi-frequency far-field measurements. Based on the Fourier series expansion, we develop a novel…

Inverse dipole source problem for time-harmonic Maxwell equations: algebraic algorithm and Hölder stability

In this paper, we investigate an inverse source problem of the time harmonic Maxwell equations at a fixed frequency, where the source consists of multiple point dipoles. An algebraic algorithm is…

Inverse Random Source Scattering for Elastic Waves

The regularized block Kaczmarz method is developed to solve the ill-posed integral equations of the first kind and the convergence is proved for the method.

Source Estimation by Full Wave Form Inversion

This work considers the inverse problem of estimating the parameters describing the source in a seismic event, using time-dependent ground motion recordings at a number of receiver stations, and compares four different gradient-based approaches for solving the constrained minimization problem.

The inverse source problem for Maxwell's equations

The inverse source problem for Maxwell's equations is considered. We show that the problem of finding a volume current density from surface measurements does not have a unique solution, and…

Inverse source identification for Poisson equation

A numerical method for identifying the unknown point sources for a two-dimensional Poisson problem from Dirichlet boundary data is proposed. Under an assumption that the total number and estimate…

Inverse Source Problems for the Helmholtz Equation and the Windowed Fourier Transform II

The theoretical foundation of the method is provided, a numerical implementation of the fully three-dimensional algorithm is discussed, and a series of numerical examples, including an inverse scattering problem, are presented.

Fast acoustic source imaging using multi-frequency sparse data

It is proved that some information of the source support can be recovered and a non-iterative method is proposed to image the source for the Helmholtz equation using multiple frequency far field data of one or several observation directions.