51 citations · 137 across the 23 of their papers we have counts for
15 papers · 1 filter
Recovering the sources in the stochastic wave equations from multi-frequency far-field patterns
Yan Chang, Yukun Guo, Zhipeng Yang +1
This paper concerns the inverse source scattering problems of recovering random sources for acoustic and elastic waves. The underlying sources are assumed to be random functions dr…
Identifying an acoustic source in a two-layered medium from multi-frequency phased or phaseless far-field patterns
Yan Chang, Yukun Guo, Yue Zhao
This paper presents a method for reconstructing an acoustic source located in a two-layered medium from multi-frequency phased or phaseless far-field patterns measured on the upper…
The inverse obstacle scattering with incident tapered waves
Deyue Zhang, Mengjiao Bai, Yan Chang +1
This paper is concerned with the reconstruction of the shape of an acoustic obstacle. Based on the use of the tapered waves with very narrow widths illuminating the obstacle, the b…
Inverse source problem of the biharmonic equation from multi-frequency phaseless data
Yan Chang, Yukun Guo, Yue Zhao
This work deals with an inverse source problem for the biharmonic wave equation. A two-stage numerical method is proposed to identify the unknown source from the multi-frequency ph…
A novel Newton method for inverse elastic scattering problems
Yan Chang, Yukun Guo, Hongyu Liu +1
This work is concerned with an inverse elastic scattering problem of identifying the unknown rigid obstacle embedded in an open space filled with a homogeneous and isotropic elasti…
Mathematical and numerical study of an inverse source problem for the biharmonic wave equation
Yan Chang, Yukun Guo, Tao Yin +1
In this paper, we study the inverse source problem for the biharmonic wave equation. Mathematically, we characterize the radiating sources and non-radiating sources at a fixed wave…
Jointly determining the point sources and obstacle from Cauchy data
Deyue Zhang, Yan Chang, Yukun Guo
A numerical method is developed for recovering both the source locations and the obstacle from the scattered Cauchy data of the time-harmonic acoustic field. First of all, the inci…
Recovering source location, polarization, and shape of obstacle from elastic scattering data
Yan Chang, Yukun Guo, Hongyu Liu +1
We consider an inverse elastic scattering problem of simultaneously reconstructing a rigid obstacle and the excitation sources using near-field measurements. A two-phase numerical…
Imaging an acoustic obstacle and its excitation sources from phaseless near-field data
Deyue Zhang, Yue Wu, Yukun Guo
This paper is concerned with reconstructing an acoustic obstacle and its excitation sources from the phaseless near-field measurements. By supplementing some artificial sources to…
Co-inversion of a scattering cavity and its internal sources: uniqueness, decoupling and imaging
Deyue Zhang, Yukun Guo, Yinglin Wang +1
This paper concerns the simultaneous reconstruction of a sound-soft cavity and its excitation sources from the total-field data. Using the single-layer potential representations on…
A direct imaging method for the exterior and interior inverse scattering problems
Deyue Zhang, Yue Wu, Yinglin Wang +1
This paper is concerned with the inverse acoustic scattering problems by an obstacle or a cavity with a sound-soft or a sound-hard boundary. A direct imaging method relying on the…
A deterministic-statistical approach to reconstruct moving sources using sparse partial data
Yanfang Liu, Yukun Guo, Jiguang Sun
We consider the reconstruction of moving sources using partial measured data. A two-step deterministic-statistical approach is proposed. In the first step, an approximate direct sa…
A Fourier-Bessel method with a regularization strategy for the boundary value problems of the Helmholtz equation
Deyue Zhang, Fenglin Sun, Yan Ma +1
This paper is concerned with the Fourier-Bessel method for the boundary value problems of the Helmholtz equation in a smooth simply connected domain. Based on the denseness of Four…
A reference ball based iterative algorithm for imaging acoustic obstacle from phaseless far-field data
Heping Dong, Deyue Zhang, Yukun Guo
In this paper, we consider the inverse problem of determining the location and the shape of a sound-soft obstacle from the modulus of the far-field data for a single incident plane…
Solving the multi-frequency electromagnetic inverse source problem by the Fourier method
Guan Wang, Fuming Ma, Yukun Guo +1
This work is concerned with an inverse problem of identifying the current source distribution of the time-harmonic Maxwell's equations from multi-frequency measurements. Motivated…