3D heterogeneous staggered-grid finite-difference modeling of seismic motion with volume harmonic and arithmetic averaging of elastic moduli and densities
We analyze the problem of a heterogeneous formulation of the equation of motion and
propose a new 3D fourth-order staggered-grid finite-difference (FD) scheme for modeling …
propose a new 3D fourth-order staggered-grid finite-difference (FD) scheme for modeling …
Near-field imaging of infinite rough surfaces
This paper is concerned with an inverse rough surface scattering problem in near-field
optical imaging, which is to reconstruct the scattering surface with a resolution beyond the …
optical imaging, which is to reconstruct the scattering surface with a resolution beyond the …
Near-field imaging of infinite rough surfaces in dielectric media
This paper is concerned with an inverse surface scattering problem in near-field optical
imaging, which is to reconstruct the scattering surface of a dielectric medium with a …
imaging, which is to reconstruct the scattering surface of a dielectric medium with a …
Inverse diffraction grating of Maxwell's equations in biperiodic structures
Consider a time-harmonic electromagnetic plane wave incident on a perfectly conducting
biperiodic surface (crossed grating). The diffraction is modeled as a boundary value problem …
biperiodic surface (crossed grating). The diffraction is modeled as a boundary value problem …
Near-field imaging of perfectly conducting grating surfaces
A novel approach is presented to solving the inverse diffractive grating problem in near-field
optical imaging, which is to reconstruct perfectly conducting grating surfaces with resolution …
optical imaging, which is to reconstruct perfectly conducting grating surfaces with resolution …
Inverse electromagnetic diffraction by biperiodic dielectric gratings
X Jiang, P Li - Inverse Problems, 2017 - iopscience.iop.org
Consider the incidence of a time-harmonic electromagnetic plane wave onto a biperiodic
dielectric grating, where the surface is assumed to be a small and smooth perturbation of a …
dielectric grating, where the surface is assumed to be a small and smooth perturbation of a …
Three-dimensional acoustic scattering by layered media: a novel surface formulation with operator expansions implementation
DP Nicholls - Proceedings of the Royal Society A …, 2012 - royalsocietypublishing.org
The scattering of acoustic waves by irregular structures plays an important role in a wide
range of problems of scientific and technological interest. This contribution focuses on the …
range of problems of scientific and technological interest. This contribution focuses on the …
Periodic surface identification with phase or phaseless near-field data
We investigate the inverse diffraction grating problem which is to reconstruct the periodic
surface from the diffracted field. The surface is assumed to be a sufficiently smooth and small …
surface from the diffracted field. The surface is assumed to be a sufficiently smooth and small …
Near-field imaging of interior cavities
P Li, Y Wang - Communications in Computational Physics, 2015 - cambridge.org
A novel method is developed for solving the inverse problem of reconstructing the shape of
an interior cavity. The boundary of the cavity is assumed to be a small and smooth …
an interior cavity. The boundary of the cavity is assumed to be a small and smooth …