NDLI: Free-space determination of permittivity, size and orientation of rectangular shaped objects using multivariate analysis

Content Provider	IEEE Xplore Digital Library
Author	Mextorf, H. Daschner, F. Kent, M. Knoechel, R.
Copyright Year	2010
Description	Author affiliation: Institute of Electrical and Information Engineering, Microwave Laboratory, University of Kiel, Kaiserstrasse 2, 24143, Germany (Mextorf, H.; Daschner, F.; Kent, M.; Knoechel, R.)
Abstract	This paper presents a free-space method for the determination of the permittivity of non-dispersive low-loss rectangular shaped dielectric objects. The dielectric object under investigation is illuminated by a sub-nanosecond pulse radiated from a linear polarized transmitting antenna. A scattered pulse is received by a dual polarized line array. The object can be moved orthogonally to the line array forming a virtual two dimensional antenna array. Several objects of different shape, size, orientation and permittivity are measured. It is supposed that the time domain data contains information about the shape and the permittivity. The data is then subjected to multivariate analysis to separate those effects due to the geometry of the object from those due to its dielectric properties. Results for the determination of the permittivity independent of shape, size and orientation using principal component regression and artificial neural networks are presented. It is shown that the determination of the size and the orientation is possible to a certain accuracy as well.
Starting Page	152
Ending Page	155
File Size	476958
Page Count	4
File Format	PDF
ISBN	9781424472321
e-ISBN	9782874870163
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-28
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	EUROPEAN MICROWAVE ASSOC
Subject Keyword	non-contacting Permittivity dielectric properties free-space
Content Type	Text
Resource Type	Article

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