Electromagnetic inverse scattering algorithm and experiment using absolute source characterization

Author

Haynes, Mark ; Clarkson, Steven ; Moghaddam, Mahta

Author_Institution

Radiat. Lab., Univ. of Michigan, Ann Arbor, MI, USA

fYear

2011

fDate

3-8 July 2011

Firstpage

2545

Lastpage

2548

Abstract

In this paper, we present the results of a freespace microwave inverse scattering experiment. We test the Born Iterative Method algorithm but have modified the cost function and the forward model in a way that fully integrates the inversion algorithm with the antenna model and measurement quantities. This is based on a new integral equation operator that directly links the material contrasts to S-parameter measurements through a full-wave antenna model. We successfully reconstruct the dielectric profile of several objects using this method.

Keywords

S-parameters; electromagnetic wave scattering; integral equations; iterative methods; S-parameter measurements; absolute source characterization; born iterative method algorithm; cost function; electromagnetic inverse scattering algorithm; forward model; freespace microwave inverse scattering; full-wave antenna model; integral equation operator; material contrasts; measurement quantities; Antenna measurements; Antennas; Image reconstruction; Inverse problems; Mathematical model; Permittivity; Scattering parameters;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on

Conference_Location

Spokane, WA

ISSN

1522-3965

Print_ISBN

978-1-4244-9562-7

Type

conf

DOI

10.1109/APS.2011.5997043

Filename

5997043