Zobrazeno 1 - 10
of 442
pro vyhledávání: '"E. Boria"'
Autor:
Alejandro Jorge-Lopez, Jose Joaquin Vague, Irene Asensio, Angela Coves, Angel Antonio San-Blas, Mariano Baquero-Escudero, Mariam Taroncher, Ana Vidal Pantaleoni, Vicente E. Boria
Publikováno v:
IEEE Access, Vol 12, Pp 187844-187856 (2024)
This article presents the theoretical study and experimental validation of the multipactor (MP) effect in bandpass filters implemented in groove gap waveguide (GGW) technology. Such filters are based on rectangular cavities and inductive coupling iri
Externí odkaz:
https://doaj.org/article/6e53e0ba32c64fa68fa68be07e07311c
Autor:
David Herraiz, Hector Esteban, Dario Herraiz, Juan J. De Dios, Marcos D. Fernandez, Angel Belenguer, Vicente E. Boria
Publikováno v:
IEEE Access, Vol 12, Pp 35630-35642 (2024)
High-directivity and low-loss directional couplers based on Empty Substrate Integrated Coaxial Line (ESICL) technology are presented in this article. The proposed coupled line directional couplers are based on the combination of a high-isolation sect
Externí odkaz:
https://doaj.org/article/9a9f2c5425914e8982f40d37c0056fc7
Publikováno v:
IEEE Access, Vol 12, Pp 435-449 (2024)
Synthetic Aperture Radar (SAR) has become, nowadays, one of the most important techniques in remote-sensing, and the increasing interest in Earth monitoring reinforces this trend. Next-generation SAR sensors will enhance the radar resolution capabili
Externí odkaz:
https://doaj.org/article/2e13563ebc494598b690eca5a829bb03
Publikováno v:
Crystals, Vol 14, Iss 8, p 735 (2024)
This article presents the theoretical study, numerical simulation and fabrication of a phase shifter and a stub resonator for use in microstrip ridge gap waveguide (MRGW) technology, using a liquid crystal (LC) in the substrate as a reconfigurable ma
Externí odkaz:
https://doaj.org/article/3354303bb2ac420ca370777bbe81c215
Publikováno v:
IEEE Access, Vol 11, Pp 91709-91723 (2023)
This article describes the use of dielectric rods to reconfigure combline filters both with respect to center frequency and bandwidth. In this context, a new filter topology is developed in order to maximize the achievable reconfiguration range. The
Externí odkaz:
https://doaj.org/article/7adf73fdeaa64443aba71a107a4d097f
Autor:
Hojjat Jamshidi-Zarmehri, Angel A. San-Blas, Mohammad H. Neshati, Santiago Cogollos, Abhishek Sharma, Vicente E. Boria, Angela Coves
Publikováno v:
IEEE Access, Vol 11, Pp 52168-52184 (2023)
In this paper, a very efficient procedure for designing waveguide combline bandpass filters with an advanced electrical response is presented. The proposed technique is based on a segmentation strategy, which reduces the number of variables to be opt
Externí odkaz:
https://doaj.org/article/ad1fcee9e4664f3e897f3639b8492834
Autor:
Juan Carlos Melgarejo, Javier Ossorio, Santiago Cogollos, Marco Guglielmi, Angel Antonio San-Blas, Joaquin F. Valencia-Sullca, Ana Vidal, Tillman Tronser, Vicente E. Boria
Publikováno v:
IEEE Access, Vol 11, Pp 25102-25119 (2023)
In this paper, we discuss how the use of the recently developed modified tuning pin (MTP) can be extended to the design of filters and diplexers implemented in rectangular waveguide, that can be reconfigured in a number of discrete states, and that c
Externí odkaz:
https://doaj.org/article/36db90ad469f4810b0e8fa769602a19a
Autor:
Fernando D. Quesada Pereira, Antonio M. Huescar de la Cruz, Celia Gómez Molina, Alejandro Álvarez Melcón, Vicente E. Boria Esbert
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 1, Pp 13-25 (2023)
Abstract An integral equation technique for the analysis of multiport H‐plane microwave circuits composed of an unlimited number of arbitrarily shaped metallic and/or dielectric elements is proposed. The structure under study is divided into differ
Externí odkaz:
https://doaj.org/article/2159a3658d8f43b997470edad4ea232d
Publikováno v:
IEEE Access, Vol 11, Pp 2327-2341 (2023)
In this paper, a miniaturized wideband bandpass filter in coaxial substrate integrated waveguide (SIW) technology is presented. To improve the response selectivity and coupling control, a multi-layer structure has been implemented, introducing both s
Externí odkaz:
https://doaj.org/article/c9f9abb339db4983bf4ceb67bb721c4e
Autor:
Aitor Morales-Hernandez, Miguel Angel Sanchez-Soriano, Miguel Ferrando-Rocher, Stephan Marini, Vicente E. Boria
Publikováno v:
IEEE Access, Vol 10, Pp 129149-129162 (2022)
This work focuses on the study of the corona discharge breakdown in groove gap waveguides (GGWs) and inductive bandpass filters (BPFs) based on this technology. With the main aim of improving the peak power handling capability (PPHC), the location of
Externí odkaz:
https://doaj.org/article/af128556fa0643a59e1006d21f5ee9bf