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A feasibility study of a quantitative microwave tomography technique for structural monitoring
- Source: Near Surface Geophysics, Volume 8, Issue 5, Feb 2010, p. 389 - 396
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- 01 Oct 2009
- 01 May 2010
- 01 May 2010
Abstract
Quantitative microwave tomography is an imaging method based on the solution of a non‐linear inverse scattering problem, which is able to provide an objective assessment of a region under test. Such a capability is relevant in the framework of non‐destructive structural monitoring, where it allows to process ground‐penetrating radar data so to achieve accurate information on the inner status of the probed structure. In this paper, we propose a two‐step quantitative microwave tomography approach in which the morphological characterization of the targets is first pursued and then their electric contrast is determined by exploiting the information previously gained. A feasibility assessment of the proposed strategy is given against synthetic data concerning the imaging of a leaking pipeline embedded in a wall.