Wave splitting in direct and inverse scattering problems

M Gustafsson - 2000 - portal.research.lu.se
The focus of this thesis is on the use of wave splitting in electromagnetic direct and inverse
scattering problems. Wave splitting offers a decomposition of wave fields into appropriate …

Microwave imaging of an anisotropic cylindrical object by a forward-backward time-stepping method

T Takenaka, H Jia, T Tanaka - IEICE transactions on electronics, 2001 - search.ieice.org
A novel inverse scattering approach is developed to the reconstruction of electrical property
distributions of a two-dimensional biaxial anisotropic object using time-domain scattering …

Wave propagators for transient waves in one-dimensional media

A Karlsson - Wave Motion, 1996 - Elsevier
Wave propagators are introduced for transient wave propagation in a general one-
dimensional medium. The definition of wave propagators is based upon a wave splitting …

Reconstruction of bi-isotropic material parameters using transient electromagnetic fields

S Rikte - Wave Motion, 1998 - Elsevier
A non-iterative time-domain method for solving the inverse scattering problem for the
temporally dispersive, linear, homogeneous, and bi-isotropic slab at normal incidence is …

Direct and inverse scattering problem for a stratified nonreciprocal chiral medium

AB de Monvel, D Shepelsky - Inverse Problems, 1997 - iopscience.iop.org
Propagation of a transversely polarized time-harmonic electromagnetic plane wave normally
incident on a stratified nonreciprocal chiral (bi-isotropic) slab is considered. The medium is …

Determination of pitch in twisted cylinders by electromagnetic scattering

B Nilsson - Wave motion, 2006 - Elsevier
We consider the electromagnetic inverse medium scattering problem for a twisted uniaxial
cylinder in a homogeneous background. Our objective is to determine the pitch for small …

Existence, uniqueness, and causality theorems for wave propagation in stratified, temporally dispersive, complex media

S Rikte - SIAM Journal on Applied Mathematics, 1997 - SIAM
A mixed initial-boundary value problem for a nonlocal, hyperbolic equation is analyzed with
respect to unique solubility and causality. The regularity of the step response and impulse …

Reconstruction of bi-isotropic material parameters using transient electromagnetic fields

S Rikte - 1994 - portal.research.lu.se
In this article, a non-iterative method for solving the transient electromagnetic inverse
scattering problem for a homogeneous, dispersive bi-isotropic slab is considered. The slab …

[PDF][PDF] Sommerfeld's forerunner in stratified isotropic and bi-isotropic media

S Rikte - 1994 - portal.research.lu.se
Using well-established time domain methods, Sommerfeld's classical results for the
forerunner (the first precursor) at distant points in a homogeneous, isotropic, and dispersive …

Inverse scattering for the homogeneous dispersive anisotropic slab using transient electromagnetic fields

J Fridén - Wave Motion, 1996 - Elsevier
An inverse scattering problem for a slab containing a homogeneous dispersive anisotropic
medium is investigated. The inverse problem is to recover two three-dimensional dyadic …