Identification of an unknown dielectric target in a half-space using the E-pulse technique

This paper describes an approach to model the impulse response of a dielectric target below a half‐space using a time domain deconvolution technique. The complex natural resonances (CNR) of the target are extracted from the time domain impulse response using a matrix pencil method and can be correla...

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Bibliographic Details
Published in:Radio science 2008-10, Vol.43 (5), p.np-n/a
Main Authors: Padhi, Shantanu K., Lui, H. S. A., Shuley, N. V.
Format: Article
Language:English
Subjects:
complex natural resonance
Dielectrics
Discrimination
E-pulse
Half spaces
Impulse response
Mathematical models
Pencils
Physical properties
SEM
target detection
target discrimination
Time domain
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Summary:This paper describes an approach to model the impulse response of a dielectric target below a half‐space using a time domain deconvolution technique. The complex natural resonances (CNR) of the target are extracted from the time domain impulse response using a matrix pencil method and can be correlated with the target's physical properties. An automated E‐pulse scheme has been used to discriminate changes in the physical properties of target. The discrimination performance is calculated quantitatively by using an energy discrimination number (EDN) and discrimination ratio (DR). This technique can ultimately be used as a diagnostic tool in detection and discrimination of an unknown target inside a half‐space.
ISSN:0048-6604
1944-799X
DOI:10.1029/2007RS003731