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Influence of standing waves on the solution of the inverse problem of reconstructing parameters of a dielectric inclusion in a waveguide
Lomonosov Moscow State University, Russian Federation.
Lomonosov Moscow State University, Russian Federation.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Matematik.
2016 (engelsk)Inngår i: 2016 URSI International Symposium on Electromagnetic Theory (EMTS), IEEE conference proceedings, 2016, s. 643-646Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We consider numerical determination of the dielectric media parameters of inclusions in a waveguide of rectangular cross-section from the transmission coefficient. We develop and apply computer codes implementing the FDTD algorithm for numerical solution of the nonstationary Maxwell equations with perfectly matched layer (PML) absorbing boundary conditions using the Berenger layout. We estimate parameter ranges providing the necessary accuracy for solving forward and inverse scattering problems for waveguides with inclusions. Aposteriori estimate of the amplitude of higher-order evanescent waves is obtained and their influence on the choice of parameters of the numerical method is determined.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2016. s. 643-646
Serie
URSI International Symposium on Electromagnetic Theory, ISSN 2163-405X
Emneord [en]
Electric fields; Forward scattering; Maxwell equations; Numerical methods; Waveguides, Absorbing boundary condition; Choice of parameters; Dielectric inclusions; Inverse scattering problems; Perfectly Matched Layer; Reconstructing parameters; Rectangular cross-sections; Transmission coefficients, Inverse problems
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Identifikatorer
URN: urn:nbn:se:hig:diva-22709DOI: 10.1109/URSI-EMTS.2016.7571479ISI: 000389770800185Scopus ID: 2-s2.0-84992034202ISBN: 978-1-5090-2502-2 (tryckt)ISBN: 978-1-5090-2503-9 (tryckt)OAI: oai:DiVA.org:hig-22709DiVA, id: diva2:1045141
Konferanse
2016 URSI International Symposium on Electromagnetic Theory (EMTS), 14-18 August 2016, Espoo, Finland
Merknad

Available through IEEE Xplore digital library : Conference Publications

Tilgjengelig fra: 2016-11-08 Laget: 2016-11-08 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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