Reconstruction of periodic gratings from one scattered wave

F Hettlich

Mathematics and Computers in Simulation (MATCOM), 2004, vol. 66, issue 4, 315-324

Abstract: Iterative regularization schemes are considered based on derivatives with respect to variations of the boundary to reconstruct periodic scattering object from known data of a scattered field. Representations of the required derivatives are presented which help in understanding the ill-posed nature of the problem and which are used numerically by the implementation and investigation of regularized Newton-type iteration schemes. Some numerical examples illustrate the performance of the regularization schemes.

Keywords: Helmholtz equation; Periodic structures; Inverse scattering (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:66:y:2004:i:4:p:315-324

DOI: 10.1016/j.matcom.2004.02.013

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