A New Value Picking Regularization Strategy-Application to the 3-D Electromagnetic Inverse Scattering Problem

The nonlinear electromagnetic inverse scattering problem of reconstructing a possibly quasi-piecewise constant inhomogeneous complex permittivity profile is solved by iterative minimization of a pixel-based data fit cost function. Because of the ill-posedness it is necessary to introduce some form o...

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Vydáno v:	IEEE transactions on antennas and propagation Ročník 57; číslo 4; s. 1133 - 1149
Hlavní autoři:	De Zaeytijd, J., Franchois, A., Geffrin, J.-M.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.04.2009 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Applied classical electromagnetism Applied sciences Cost function Degradation Diffraction, scattering, reflection Electromagnetic scattering Electromagnetic wave propagation, radiowave propagation Electromagnetism Electromagnetism; electron and ion optics Engineering Sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Inverse problems Least squares methods microwave imaging Newton method optimization methods Optimization techniques Permittivity Physics Radiocommunications Radiowave propagation Recursive estimation regularization Smoothing methods Studies Telecommunications Telecommunications and information theory Testing Electromagnetic wave scattering Cost minimization Picking Inverse scattering method Piecewise constant techniques regularization Updating Iterative method Inverse scattering problem optimization methods Optimization Inverse problem Electromagnetic wave propagation Electromagnetic scattering Wave scattering inverse problems A priori estimation Cost function Complex permittivity Permittivity Microwave imaging
ISSN:	0018-926X, 1558-2221
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