Optimized periodic MoM for the analisis and design of dual polarization multilayered reflectarray antennas made of dipoles

Florencio Díaz, Rafael; Rodríguez Boix, Rafael; Encinar Garcinuño, José Antonio y Toso, Giovanni (2017). Optimized periodic MoM for the analisis and design of dual polarization multilayered reflectarray antennas made of dipoles. "IEEE Transactions on Antennas And Propagation", v. 65 (n. 7); pp. 3623-3636. ISSN 0018-926X. https://doi.org/10.1109/TAP.2017.2702700.

Descripción

Título: Optimized periodic MoM for the analisis and design of dual polarization multilayered reflectarray antennas made of dipoles
Autor/es:
  • Florencio Díaz, Rafael
  • Rodríguez Boix, Rafael
  • Encinar Garcinuño, José Antonio
  • Toso, Giovanni
Tipo de Documento: Artículo
Título de Revista/Publicación: IEEE Transactions on Antennas And Propagation
Fecha: Julio 2017
Volumen: 65
Materias:
Palabras Clave Informales: Dipole antennas, Green's functions, moment methods, multilayered media, periodic structures, reflectarrays
Escuela: E.T.S.I. Telecomunicación (UPM)
Departamento: Señales, Sistemas y Radiocomunicaciones
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

A hybrid version of the Method of Moments (MoM) is applied to the analysis of the scattering of plane waves by periodic multilayered structures containing dipoles at two metallization levels. The MoM matrix entries involving basis functions (BFs) at different metallization levels are computed in the spectral domain as double infinite summations with fast exponential convergence. The MoM matrix entries involving BFs at the same metallization level are computed in the spatial domain as double integrals, which require low-order quadrature rules. The integrands are cross correlations between BFs times multilayered periodic Green?s functions (MPGFs). The cross correlations between BFs are obtained in terms of elliptic integrals of first and second kind. Also, the MPGFs are accurately interpolated in 4-D in terms of both the spatial variables and the angles of incidence. The hybrid MoM proposed is used in the design of dual polarization reflectarray antennas under the local periodicity assumption. Thanks to the 4-D interpolation of the MPGFs, which minimizes the total number of MPGFs that have to be computed per reflectarray element, the proposed hybrid MoM is shown to be around 15 times faster than the standard spectral domain MoM in the design of the antennas.

Más información

ID de Registro: 49084
Identificador DC: http://oa.upm.es/49084/
Identificador OAI: oai:oa.upm.es:49084
Identificador DOI: 10.1109/TAP.2017.2702700
Depositado por: Memoria Investigacion
Depositado el: 20 Ene 2018 09:46
Ultima Modificación: 20 Ene 2018 09:46
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