Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Angel Palomares"'
Autor:
Miguel A. Balmaseda-Marquez, Guido Valerio, Pablo Padilla, Angel Palomares-Caballero, Juan F. Valenzuela-Valdes, Carlos Molero
Publikováno v:
IEEE Access, Vol 12, Pp 110840-110849 (2024)
The presented study introduces a semi-analytical circuit model (CM) to fully characterize a dielectric unit cell structure made by blocks instead of applying the effective medium theory. A fitting strategy is used to a obtain a better understanding o
Externí odkaz:
https://doaj.org/article/087656b2b36148cba642e5ed04aacf1e
Publikováno v:
IEEE Access, Vol 9, Pp 99513-99525 (2021)
This paper presents an efficient equivalent circuit approach (ECA), based on a Floquet modal expansion, for the study of the co- and cross-polarization in frequency selective surfaces (FSS) formed by periodic arrays of patches/apertures in either sin
Externí odkaz:
https://doaj.org/article/d1e8a9cab44344cb9ee9e603748cdf86
Autor:
Cleofas Segura-Gomez, Angel Palomares-Caballero, Antonio Alex-Amor, Juan Valenzuela-Valdes, Pablo Padilla
Publikováno v:
IEEE Access, Vol 8, Pp 158568-158578 (2020)
This article presents a modular substrate-integrated waveguide (SIW) antenna array based on H-plane aperture structures for Ka-band. The unitary antenna is based on a SIW aperture antenna with an improved H-plane radiation pattern by means of the imp
Externí odkaz:
https://doaj.org/article/cbb8d4ce05844dd79ce49985afa23bcb
Autor:
Alejandro Ramirez-Arroyo, Antonio Alex-Amor, Carmelo Garcia-Garcia, Angel Palomares-Caballero, Pablo Padilla, Juan F. Valenzuela-Valdes
Publikováno v:
IEEE Access, Vol 8, Pp 183583-183595 (2020)
This article presents a novel application of the time-gating technique to the field of propagation channel study. The time-gating technique is well known in the field of antenna measurement and it is used to eliminate reflected components in outdoor
Externí odkaz:
https://doaj.org/article/6994dd9e0c984591b68fd1ffc9f47092
Autor:
Alejandro Ramirez-Arroyo, Pablo H. Zapata-Cano, Angel Palomares-Caballero, Javier Carmona-Murillo, Francisco Luna-Valero, Juan F. Valenzuela-Valdes
Publikováno v:
IEEE Access, Vol 8, Pp 204295-204308 (2020)
Mobile communications are growing and the number of users is constantly increasing at an accelerated rate, as well as the demand for the services they request. In the last few years, many efforts have focused on the design and deployment of the new f
Externí odkaz:
https://doaj.org/article/71151d2b228f4e7d900280b6e241cf18
Autor:
Angel Palomares-Caballero, Antonio Alex-Amor, Pablo Padilla, Francisco Luna, Juan Valenzuela-Valdes
Publikováno v:
IEEE Access, Vol 7, Pp 31297-31304 (2019)
This paper presents a compact and low-loss V-band waveguide phase shifter based on glide-symmetric pin configuration. This kind of higher symmetry permits the control and improvement of the electromagnetic behavior or radiofrequency devices, as it is
Externí odkaz:
https://doaj.org/article/ab919d44c691418cb14aa6d056f2e866
Autor:
Antonio Alex-Amor, Adrian Tamayo-Dominguez, Angel Palomares-Caballero, Jose M. Fernandez-Gonzalez, Pablo Padilla, Juan Valenzuela-Valdes, Antonio Palomares
Publikováno v:
IEEE Access, Vol 7, Pp 14883-14893 (2019)
This paper presents an analytical expression that models the tilt angle of directors in a nematic liquid crystal (LC), depending on its elastic properties, its dielectric anisotropy, and the quasi-static electric field applied. The analytical solutio
Externí odkaz:
https://doaj.org/article/60b048e4ff9545c3ab2919369dc77037
Publikováno v:
IEEE Transactions on Antennas and Propagation. 71:1023-1028
Autor:
Silva, Tatiana, Pérez, Ángel Palomares, Calvo, Javier Andrés, Bailador, Gonzalo, Cinelli, Giulia, Kudrautseva, Olga, Lobstein, T., Olmo, Alberto
Publikováno v:
In Procedia Computer Science 2016 98:388-393
Autor:
J. M. Fernandez-Gonzalez, Carmelo Garcia-Garcia, Javier Moreno-Núñez, Angel Palomares-Caballero, Adrian Tamayo-Dominguez, Antonio Alex-Amor
Publikováno v:
Microwave and Optical Technology Letters. 63:1719-1726