Dual reflectarray configurations for multibeam satellite antennas in Ka-band

Autor: Martínez de Rioja del Nido, Eduardo María, Encinar Garcinuño, José Antonio, Pino García, Antonio, González Valdés, Borja, Florencio Díaz, Rafael, Rodríguez Vaqueiro, Yolanda, Arias Acuña, Marcos

Publikováno v: Actas del XXXIV Simposium Nacional de la Unión Científica Internacional de Radio (URSI) 2019 | XXXIV Simposium Nacional de la Unión Científica Internacional de Radio (URSI) 2019 | 04/09/2019-06/09/2019 | Sevilla, España
Archivo Digital UPM
Universidad Politécnica de Madrid

This contribution proposes the use of dual reflectarray (RA) configurations to provide multi-spot coverage in Ka-band from a geostationary satellite, using a smaller number of apertures and feeds than conventional reflector systems. A dual-RA configu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6a60a7c8773f4ca97ce137d3dc3b237e
https://oa.upm.es/64880/

Design of circularly polarized reflectarray antennas based on MoM analysis of multilayered periodic structures involving split rings

Autor: Florencio Díaz, Rafael, Rodríguez Boix, Rafael, Encinar Garcinuño, José Antonio

Publikováno v: Proceedings of 13th European Conference on Antennas and Propagation (EuCAP) 2019 | 13th European Conference on Antennas and Propagation (EuCAP) 2019 | 31/03/2019-05/04/2019 | Cracovia, Polonia
Archivo Digital UPM
Universidad Politécnica de Madrid

An efficient software has been implemented for the analysis of the scattering by multilayered periodic structures containing concentric metallic split rings in the unit cell. The software is based on the Method of Moments (MoM) in the spectral domain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1fec3db4c6c15d2b73f7d8d1e9a5a247
http://oa.upm.es/64877/

Numerical advances in the full-wave analysis of periodic multilayered structures with application to reflectarray antennas

Autor: Florencio Díaz, Rafael, Rodríguez Boix, Rafael, Encinar Garcinuño, José Antonio

Publikováno v: 2017 Computing and Electromagnetics International Workshop (CEM) | 2017 Computing and Electromagnetics International Workshop (CEM) | 21/06/2017-24/06/2017 | Barcelona, Spain
Archivo Digital UPM
Universidad Politécnica de Madrid

A novel hybrid spectral-spatial method of moments (MoM) approach is introduced for the analysis of multilayered periodic structures containing either patches or dipoles in the unit cell. The novel hybrid MoM approach and the pure spectral MoM approac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f19430e535454d8bc4696968a254bbb6
http://oa.upm.es/53669/

Reflectarray antenna with reduced crosspolar radiation pattern

Autor: Prado, Daniel R., Arrebola Baena, Manuel, Pino, Marcos R., Las Heras Andrés, Fernando, Florencio Díaz, Rafael, Boix, Rafael R., Encimar, José Antonio

Publikováno v: Archivo Digital UPM
Universidad Politécnica de Madrid

A method for the optimization of the crosspolar component of dual-polarized reflectarrays using the Method of Moments (MoM) is described. It is based on the LevenbergMarquardt Algorithm (LMA) and it exploits several optimization techniques to acceler

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::be1016c2c93fbd7dae3b7396566d0fbc
https://oa.upm.es/49118/

Antena reflectarray en las bandas K y KA con hacer independientes en cada polarización

Autor: Martínez de la Rioja, Eduardo, Encinar Garcinuño, José Antonio, Florencio Díaz, Rafael, Rodríguez Boix, Rafael

Publikováno v: XXXI Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2016) | XXXI Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2016) | 05/09/2016-07/09/2016 | Madrid, España
Archivo Digital UPM
Universidad Politécnica de Madrid

This contribution describes the design of a printed reflectarray antenna to operate at 19.7 and 29.5 GHz with independent beams in H and V polarizations. A dual-frequency dual-polarization reflectarray cell, made of two stacked sets of parallel dipol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4fa548c806ba7d6344a985e24a88eefc
http://oa.upm.es/49126/