A Microwave tomographic approach for nondestructive testing of dielectric coated metallic surfaces

Onur Mudanyai; Selda Yidiz; Ǒguz Semerci; Ali Yapar; Ibrahim Akduman

doi:10.1109/LGRS.2008.915602

A Microwave tomographic approach for nondestructive testing of dielectric coated metallic surfaces

Onur Mudanyai, Selda Yidiz, Ǒguz Semerci, Ali Yapar, Ibrahim Akduman

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

A microwave imaging method for nondestructive testing of perfectly conducting surfaces beyond a layered media is presented. The method is an adaptation of the surface reconstruction approach by Yapar et al. to the present problem. It is based on the analytical continuation of the measured data to the surface under test through a special representation of the scattered field in terms of Fourier transform and Taylor expansion. Then the problem is reduced to the solution of a nonlinear equation which is solved iteratively via the Newton method and regularization in the least squares sense. Numerical simulations show that defects as small as lambda/500 can be recovered through the presented algorithm.

Original language	English (US)
Article number	4455563
Pages (from-to)	180-184
Number of pages	5
Journal	IEEE Geoscience and Remote Sensing Letters
Volume	5
Issue number	2
DOIs	https://doi.org/10.1109/LGRS.2008.915602
State	Published - Apr 2008
Externally published	Yes

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Electrical and Electronic Engineering

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10.1109/LGRS.2008.915602

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abstract = "A microwave imaging method for nondestructive testing of perfectly conducting surfaces beyond a layered media is presented. The method is an adaptation of the surface reconstruction approach by Yapar et al. to the present problem. It is based on the analytical continuation of the measured data to the surface under test through a special representation of the scattered field in terms of Fourier transform and Taylor expansion. Then the problem is reduced to the solution of a nonlinear equation which is solved iteratively via the Newton method and regularization in the least squares sense. Numerical simulations show that defects as small as lambda/500 can be recovered through the presented algorithm.",

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AU - Semerci, Ǒguz

AU - Yapar, Ali

AU - Akduman, Ibrahim

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AB - A microwave imaging method for nondestructive testing of perfectly conducting surfaces beyond a layered media is presented. The method is an adaptation of the surface reconstruction approach by Yapar et al. to the present problem. It is based on the analytical continuation of the measured data to the surface under test through a special representation of the scattered field in terms of Fourier transform and Taylor expansion. Then the problem is reduced to the solution of a nonlinear equation which is solved iteratively via the Newton method and regularization in the least squares sense. Numerical simulations show that defects as small as lambda/500 can be recovered through the presented algorithm.

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A Microwave tomographic approach for nondestructive testing of dielectric coated metallic surfaces

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