Author:
Geffrin Jean-Michel,Sabouroux Pierre,Eyraud Christelle
Abstract
In the present paper, the experimental set-up of Institut Fresnel used to measure the
scattered fields of different elongated objects is precisely described. Since the
special issue on ‘Testing inversion algorithms against experimental data’, the
modifications of this system, outlined here, have mostly been done to improve the
synchronization of the apparatuses and the precision of our measurements. Due to a
large number of requests from the inverse problem community, it has been decided to
add new measurements to the Institut Fresnel's database. All the new targets
presented here are two-dimensional inhomogeneous ones. They are made of different
dielectrics or are mixing metal and dielectric parts. Both TE and TM polarizations
are measured for each target, from 2 to 10 GHz and even 18 GHz for the most complex
target. In the first part of this paper the set-up is described precisely. The second
part is devoted to the presentation of the targets. Finally, some TE and TM
comparisons of measurements and direct problem simulations are shown to accredit our
experimental method and to give an idea of the accuracy of these measurements.
Subject
Applied Mathematics,Computer Science Applications,Mathematical Physics,Signal Processing,Theoretical Computer Science
Reference18 articles.
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2. Guest Editors' introduction. Special section: Testing inversion algorithms against experimental data;Inverse Problems,2001
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