Inverse scattering problems with multi-frequencies

G Bao, P Li, J Lin, F Triki - Inverse Problems, 2015 - iopscience.iop.org
This paper is concerned with computational approaches and mathematical analysis for
solving inverse scattering problems in the frequency domain. The problems arise in a …

Application of the meshless generalized finite difference method to inverse heat source problems

Y Gu, L Wang, W Chen, C Zhang, X He - … Journal of Heat and Mass Transfer, 2017 - Elsevier
The generalized finite difference method (GFDM) is a relatively new domain-type meshless
method for the numerical solution of certain boundary value problems. This paper …

A multi-frequency inverse source problem

G Bao, J Lin, F Triki - Journal of Differential Equations, 2010 - Elsevier
This paper is concerned with an inverse source problem that determines the source from
measurements of the radiated fields away at multiple frequencies. Rigorous stability …

[HTML][HTML] Stability for the inverse source problems in elastic and electromagnetic waves

G Bao, P Li, Y Zhao - Journal de Mathématiques Pures et Appliquées, 2020 - Elsevier
This paper concerns the inverse source problems for the time-harmonic elastic and
electromagnetic wave equations. The goal is to determine the external force and the electric …

Acoustic source identification using multiple frequency information

M Eller, NP Valdivia - Inverse Problems, 2009 - iopscience.iop.org
We consider the inverse problem of identifying the location and shape of a finitely supported
acoustic source function, separable with respect to space and frequency, from …

A recursive algorithm for multifrequency acoustic inverse source problems

G Bao, S Lu, W Rundell, B Xu - SIAM Journal on Numerical Analysis, 2015 - SIAM
An iterative/recursive algorithm is studied for recovering unknown sources of acoustic field
with multifrequency measurement data. Under additional regularity assumptions on source …

[HTML][HTML] Phaseless inverse source scattering problem: Phase retrieval, uniqueness and direct sampling methods

X Ji, X Liu, B Zhang - Journal of Computational Physics: X, 2019 - Elsevier
Similar to the obstacle or medium scattering problems, an important property of the
phaseless far field patterns for source scattering problems is the translation invariance. Thus …

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

D Zhang, Y Guo - Inverse Problems, 2015 - iopscience.iop.org
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 …

Stability for the acoustic inverse source problem in inhomogeneous media

P Li, J Zhai, Y Zhao - SIAM Journal on Applied Mathematics, 2020 - SIAM
In this paper, we show for the first time the stability of the inverse source problem for the
three-dimensional Helmholtz equation in an inhomogeneous background medium. The …

Retrieval of acoustic sources from multi-frequency phaseless data

D Zhang, Y Guo, J Li, H Liu - Inverse Problems, 2018 - iopscience.iop.org
This paper is concerned with the inverse source problem of reconstructing an unknown
acoustic excitation from phaseless measurements of the radiated fields away at multiple …