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Conference papers
Electromagnetic retrieval of missing fibers in periodic fibered laminates via sparsity concepts
Abstract : Electromagnetic modeling and imaging of fibered laminates with some fibers missing is investigated, this extending to similarly organized photonic crystals. Parallel circular cylinders are periodically set in a homogeneous layer (matrix) sandwiched between two homogeneous half-spaces. Absent fibers destroy the periodicity. An auxiliary periodic structure (supercell) provides a subsidiary model considered using method tailored to standard periodic structures involving the Floquet theorem to decompose the fields. Imaging approaches from the Lippman- Schwinger integral field formulation as one-shot MUltiple SIgnal Classification (MUSIC) with pointwise scatterers assumptions and an iterative, sparsity-constrained solution are developed. Numerical simulations illustrate the direct model and imaging.
https://hal-centralesupelec.archives-ouvertes.fr/hal-01330309
Contributor : Dominique Lesselier Connect in order to contact the contributor
Submitted on : Friday, June 10, 2016 - 1:16:34 PM
Last modification on : Saturday, May 1, 2021 - 3:50:31 AM
Contributor : Dominique Lesselier Connect in order to contact the contributor
Submitted on : Friday, June 10, 2016 - 1:16:34 PM
Last modification on : Saturday, May 1, 2021 - 3:50:31 AM