A pseudospectral technique for the discrete reconstruction of the three-dimensional equivalent-current density

In this paper, a new technique is developed to reconstruct the three dimensional equivalent-current density associated with a dielectric scatterer with an arbitrary shape. This technique is based on the solution of an integral equation using a pseudospectral method where part of the integrand repres...

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Published in:IEEE transactions on microwave theory and techniques 1999-06, Vol.47 (6), p.802-805
Main Authors: Ahmad, F., Razzaghi, M.
Format: Article
Language:English
Subjects:
Biology computing
Density
Dielectrics
Electromagnetic fields
Electromagnetic scattering
Equivalence
Image reconstruction
Integral equations
Inverse problems
Inversions
Microwaves
Moment methods
Reconstruction
Scatter
Shape
Transmission line matrix methods
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description In this paper, a new technique is developed to reconstruct the three dimensional equivalent-current density associated with a dielectric scatterer with an arbitrary shape. This technique is based on the solution of an integral equation using a pseudospectral method where part of the integrand represents the unknown. The other part of the integrand is the known dyadic Green's function. This technique generates accurate results, which makes it attractive for electromagnetic inversion of scatters from inhomogeneous dielectric bodies. An example is given to demonstrate the accuracy of the developed technique.
doi_str_mv 10.1109/22.769354
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subjects Biology computing
Density
Dielectrics
Electromagnetic fields
Electromagnetic scattering
Equivalence
Image reconstruction
Integral equations
Inverse problems
Inversions
Microwaves
Moment methods
Reconstruction
Scatter
Shape
Transmission line matrix methods
title A pseudospectral technique for the discrete reconstruction of the three-dimensional equivalent-current density
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