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相关论文: Stability for inverse source problems of the stoch…

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This paper investigates stability estimates for inverse source problems in the stochastic polyharmonic wave equation, where the source is represented by white noise. The study examines the well-posedness of the direct problem and derives…

偏微分方程分析 · 数学 2024-10-15 Peijun Li , Zhenqian Li , Ying Liang

Consider the one-dimensional stochastic Helmholtz equation where the source is assumed to be driven by the white noise. This paper concerns the stability analysis of the inverse random source problem which is to reconstruct the statistical…

偏微分方程分析 · 数学 2016-07-25 Peijun Li , Ganghua Yuan

This paper concerns the inverse random source problem of the stochastic Maxwell equations driven by white noise in an inhomogeneous background medium. The well-posedness is established for the direct source problem, and the estimates and…

偏微分方程分析 · 数学 2025-03-14 Tianjiao Wang , Xiang Xu , Yue Zhao

We present stability estimates for the inverse source problem of the stochastic Helmholtz equation in two and three dimensions by either near-field or far-field data. The random source is assumed to be a microlocally isotropic generalized…

偏微分方程分析 · 数学 2024-03-21 Tianjiao Wang , Xiang Xu , Yue Zhao

The paper is concerned with an inverse point source problem for the Helmholtz equation. It consists of recovering the locations and amplitudes of a finite number of radiative point sources inside a given inhomogeneous medium from the…

偏微分方程分析 · 数学 2021-09-01 Gang Bao , Yuantong Liu , Faouzi Triki

The paper aims a logarithmic stability estimate for the inverse source problem of the one-dimensional Helmholtz equation with attenuation factor in a two layer medium. We establish a stability by using multiple frequencies at the two end…

偏微分方程分析 · 数学 2019-11-05 Mozhgan Nora Entekhabi , Ajith Gunaratne

In this paper, we investigate an inverse random source problem concerned with recovering the strength of a random, uncorrelated acoustic source from correlation measurements of emitted time-harmonic acoustic waves. Such problems arise in…

数值分析 · 数学 2026-02-25 Philipp Mickan , Thorsten Hohage

We study increasing stability in the inverse source problems for the Helmholtz equation and the classical Lame system from (minimal) boundary data at multiple wave numbers. By using the Fourier transform with respect to wave numbers,…

偏微分方程分析 · 数学 2018-09-03 Mozhgan Nora Entrekhabi , Victor Isakov

Here we are investigating the one dimensional inverse source problem for Helmholtz equation where the source function is compactly supported in our domain. We show that increasing stability possible using multi-frequency wave at the two end…

偏微分方程分析 · 数学 2019-09-09 Shahah Almutairi , Ajith Gunaratne

This paper is concerned with an inverse random source problem for the one-dimensional stochastic Helmholtz equation with attenuation. The source is assumed to be a microlocally isotropic Gaussian random field with its covariance operator…

数值分析 · 数学 2020-09-30 Peijun Li , Xu Wang

We consider the multi-frequency inverse source problem in the presence of a non-homogeneous medium using passive measurements. Precisely, we derive stability estimates for determining the source from the knowledge of only the imaginary part…

偏微分方程分析 · 数学 2024-04-23 Faouzi Triki , Kristoffer Linder-Steinlein , Mirza Karamehmedovic

We study the increasing stability of an inverse source problem for the Helmholtz equation from limited-aperture far field data at multiple wave numbers. The measurement data are givenby the far field patterns $u^\infity(\hat{x},k)$ for all…

偏微分方程分析 · 数学 2024-03-14 Ibtissem Ben Aïcha , Guanghui Hu , Suliang Si

This paper concerns the stability on the inverse source scattering problem for the one-dimensional Helmholtz equation in a two-layered medium. We show that the increasing stability can be achieved by using multi-frequency wave field at the…

偏微分方程分析 · 数学 2017-09-13 Yue Zhao , Peijun Li

Consider the scattering of the two- or three-dimensional Helmholtz equation where the source of the electric current density is assumed to be compactly supported in a ball. This paper concerns the stability analysis of the inverse source…

偏微分方程分析 · 数学 2016-07-26 Peijun Li , Ganghua Yuan

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 current density from boundary measurements of the radiated wave…

偏微分方程分析 · 数学 2018-08-17 Gang Bao , Peijun Li , Yue Zhao

This paper focuses on stability estimates of the inverse random source problems for the polyharmonic, electromagnetic, and elastic wave equations. The source is represented as a microlocally isotropic Gaussian random field, which is defined…

偏微分方程分析 · 数学 2024-10-11 Peijun Li , Ying Liang , Xu Wang

In this paper, we show the increasing stability of the inverse source problems for the acoustic wave equation in the full space R3.The goal is to understand increasing stability for wave equation in the time domain. If the time and spatial…

偏微分方程分析 · 数学 2024-11-08 Suliang Si

This paper is concerned with the inverse problem to recover the scalar, complex-valued refractive index of a medium from measurements of scattered time-harmonic electromagnetic waves at a fixed frequency. The main results are two…

数值分析 · 数学 2017-02-09 Frederic Weidling , Thorsten Hohage

In this paper, we show for the first time the increasing stability of the inverse source problem for the n-dimensional Helmholtz equation at multiple wave numbers, which is different from the two-or three-dimensional Helmholtz equation. In…

偏微分方程分析 · 数学 2024-02-27 Suliang Si

In this paper, we will study increasing stability in the inverse source problem for the Helmholtz equation in the plane when the source term is assumed to be compactly supported in a bounded domain $\Omega$ with sufficiently smooth…

偏微分方程分析 · 数学 2018-04-18 Mozhgan Nora Entekhabi , Victor Isakov
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