Dans cet article, nous évaluons les possibilités offertes par les techniques basées sur les faisceaux gaussiens pour traiter l'interaction entre un champ électromagnétique et un objet diélectrique multicouche. Nous proposons tout d'abord une nouvelle approche pour décomposer un champ connu sur une surface courbe comme une somme de faisceaux gaussiens élémentaires. Nous étudions ensuite deux techniques pour traiter l'interaction du champ avec l'objet : d'une part un algorithme de lancer de faisceaux gaussiens et d'autre part une approche originale qui s'appuie sur la définition des coefficients de transmission et de réflexion associés au faisceau gaussien. Nous montrons l'intérêt de ces deux techniques (rapidité/précision) par rapport à une approche conventionnelle pour modéliser le rayonnement d'une antenne protégée par un radôme.
This article aims to evaluate the abilities of Gaussian beam techniques to compute the interaction between an electromagnetic field and a multilayer dielectric object. First, we propose an approach to expand a field on a set of elementary Gaussian beams from a curved surface. Then, we study two techniques to compute the interaction: a Gaussian beam shooting and bouncing algorithm and another original approach using the Gaussian beam transmission and reflection coefficients. We analyse the advantages (rapidity/accuracy) of these two techniques with respect to a conventional approach to compute the radiation of an antenna protected by a radome.
@article{CRPHYS_2005__6_6_654_0, author = {Alexandre Chabory and J\'er\^ome Sokoloff and Sylvain Bolioli and Paul Fran\c{c}ois Combes}, title = {Computation of electromagnetic scattering by multilayer dielectric objects using {Gaussian} beam based techniques}, journal = {Comptes Rendus. Physique}, pages = {654--662}, publisher = {Elsevier}, volume = {6}, number = {6}, year = {2005}, doi = {10.1016/j.crhy.2005.06.011}, language = {en}, }
TY - JOUR AU - Alexandre Chabory AU - Jérôme Sokoloff AU - Sylvain Bolioli AU - Paul François Combes TI - Computation of electromagnetic scattering by multilayer dielectric objects using Gaussian beam based techniques JO - Comptes Rendus. Physique PY - 2005 SP - 654 EP - 662 VL - 6 IS - 6 PB - Elsevier DO - 10.1016/j.crhy.2005.06.011 LA - en ID - CRPHYS_2005__6_6_654_0 ER -
%0 Journal Article %A Alexandre Chabory %A Jérôme Sokoloff %A Sylvain Bolioli %A Paul François Combes %T Computation of electromagnetic scattering by multilayer dielectric objects using Gaussian beam based techniques %J Comptes Rendus. Physique %D 2005 %P 654-662 %V 6 %N 6 %I Elsevier %R 10.1016/j.crhy.2005.06.011 %G en %F CRPHYS_2005__6_6_654_0
Alexandre Chabory; Jérôme Sokoloff; Sylvain Bolioli; Paul François Combes. Computation of electromagnetic scattering by multilayer dielectric objects using Gaussian beam based techniques. Comptes Rendus. Physique, Volume 6 (2005) no. 6, pp. 654-662. doi : 10.1016/j.crhy.2005.06.011. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2005.06.011/
[1] Discretized Gabor-based beam algorithm for time harmonic radiation from two dimensional truncated planar aperture distributions I—Formulation and solution, II—Asymptotics and numerical tests, IEEE Trans. Antennas Propag., Volume 50 (2002)
[2] Alternative to Gabor's representation of plane aperture radiation, Electron. Lett., Volume 34 (1998)
[3] Gaussian beam expansion for radiation analysis of metallic reflectors illuminated under oblique incidence, IEEE Trans. Mag., Volume 38 (2002)
[4] Novel Gaussian beam method for the rapid analysis of large reflector antennas, IEEE Trans. Antennas Propag., Volume 49 (2001)
[5] Use of Gaussian beams to compute antenna pattern, Ann. Télécom., Volume 57 (2002)
[6] Paraxial approximation effect on a dielectric interface analysis, Ann. Télécom., Volume 51 (1996)
[7] Gaussian beam tracking through a curved interface: comparison with a method of moments, IEE Proc. Microwave Antennas Propag., Volume 150 (1996)
[8] Gabor-based narrow waisted Gaussian beam algorithm for transmission of aperture-excited 3D vector fields through arbitrarily shaped 3D dielectric layers, Radio-Science, Volume 38 (2003)
[9] Theory of communication, J. Inst. Elec. Ing., Volume 93 (1946)
[10] Complex rays for radiation from discretized aperture distribution, IEEE Trans. Antennas Propag., Volume 35 (1987)
[11] Ray techniques in electromagnetics, Proc. IEEE, Volume 60 (1972)
[12] Analysis of EM penetration into and scattering by electrically large open waveguide cavities using Gaussian beam shooting, Proc. IEEE, Volume 79 (1991)
[13] A. Chabory, Modélisation électromagnétique des radômes par des techniques basées sur les faisceaux gaussiens, Thèse de l'Université Toulouse III, 2004
[14] Radiation and Scattering of Waves, Prentice-Hall, New York, 1973
[15] A. Chabory, J. Sokoloff, S. Bolioli, P.F. Combes, Fast Multilayer radome computation with Gaussian beams, in: URSI 2004 Proceedings, 2004
[16] Plane wave spectrum surface integration technique for radome analysis, IEEE Trans. Antennas Propag., Volume 22 (1974)
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