An improved microwave procedure for detecting defects in dielectric structures is proposed. The procedure is based on the integral equations of the inverse scattering problem. A hybrid Genetic Algorithm is applied in order to minimize the obtained nonlinear functional. Since in nondestructive evaluations the unperturbed object is completely known, it is possible off-line to numerically compute the Green's function for the configuration without defects. Consequently, a very dignificant computation saving is obtained, since the 'chromosome' of the Genetic Algorithm codes only the parameters describing the unknown defect.

Improved Microwave Imaging Procedure for Non-Destructive Evaluations of Two-Dimensional Structures / Caorsi, Salvatore; Massa, Andrea; Pastorino, Matteo; Donelli, Massimo. - ELETTRONICO. - (2003).

Improved Microwave Imaging Procedure for Non-Destructive Evaluations of Two-Dimensional Structures

Massa, Andrea;Donelli, Massimo
2003-01-01

Abstract

An improved microwave procedure for detecting defects in dielectric structures is proposed. The procedure is based on the integral equations of the inverse scattering problem. A hybrid Genetic Algorithm is applied in order to minimize the obtained nonlinear functional. Since in nondestructive evaluations the unperturbed object is completely known, it is possible off-line to numerically compute the Green's function for the configuration without defects. Consequently, a very dignificant computation saving is obtained, since the 'chromosome' of the Genetic Algorithm codes only the parameters describing the unknown defect.
2003
Trento, Italia
Università degli Studi di Trento. DEPARTMENT OF INFORMATION AND COMMUNICATION TECHNOLOGY
Improved Microwave Imaging Procedure for Non-Destructive Evaluations of Two-Dimensional Structures / Caorsi, Salvatore; Massa, Andrea; Pastorino, Matteo; Donelli, Massimo. - ELETTRONICO. - (2003).
Caorsi, Salvatore; Massa, Andrea; Pastorino, Matteo; Donelli, Massimo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/358883
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