Title :
Location and shape reconstructions of objects buried in inhomogeneously penetrable cylinders
Author :
Yaman, Fatih ; Weiland, Thomas
Author_Institution :
Inst. fur Theor. Elektromagn. Felder, Tech. Univ. Darmstadt, Darmstadt, Germany
Abstract :
In this study, a model problem is proposed to investigate location and shape reconstructions of objects buried in inhomogeneously penetrable cylinders. The Dirichlet/transmission condition is considered on the boundary of the buried object and to express the behaviors of the fields over the exterior cylinder the conductive boundary condition is employed. The structure is insonifi-cated by a time-harmonic acoustic plane wave at fixed frequency such that the scattered field satisfies the Sommerfeld radiation condition. Numerical solutions of the problems are obtained via potential approaches and the applicability of the inversion algorithms are tested for different cases with exact/noisy scattered field data and satisfactory results are obtained.
Keywords :
buried object detection; image reconstruction; iterative methods; Dirichlet/transmission condition; Sommerfeld radiation condition; buried object; conductive boundary condition; exterior cylinder; inhomogeneously penetrable cylinders; location reconstructions; shape reconstructions; time-harmonic acoustic plane wave; Buried object detection; Equations; Image reconstruction; Inverse problems; Nonhomogeneous media; Reconstruction algorithms; Shape;
Conference_Titel :
Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4673-5705-0
DOI :
10.1109/ICEAA.2013.6632499