Zobrazeno 1 - 10
of 65
pro vyhledávání: '"R. Camblor"'
Autor:
Andrea I. Hadarig, Samuel Ver Hoeye, Miguel Fernandez, Leticia Alonso, Fernando Las-Heras, R. Camblor, Carlos Vazquez
Publikováno v:
Scopus
IEEE Access, Vol 6, Pp 66459-66467 (2018)
RUO. Repositorio Institucional de la Universidad de Oviedo
instname
IEEE Access, Vol 6, Pp 66459-66467 (2018)
RUO. Repositorio Institucional de la Universidad de Oviedo
instname
In this paper, a graphene-based electromagnetic imaging system working in 140–220 GHz frequency band for nonintrusive analysis of 3D artwork is presented. A single-stage high-order frequency multiplier is used to generate the signal at the transmit
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:4486-4494
A 2-D frequency scanning array operating in the 220–320-GHz frequency band is presented. The array is composed of 64 open-ended rectangular waveguides arranged in an ${8\times 8}$ configuration. The feeding circuit comprises two waveguide-based pha
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:3501-3509
This paper describes a 2-D frequency scanning array, operating in the 240–310-GHz frequency range, which is intended to be used in electromagnetic imaging applications. The proposed antenna combines eight slotted waveguides that are parallel fed th
Autor:
Miguel Fernandez, Andreea Hadarig, Fernando Las Heras, R. Camblor, Samuel Ver Hoeye, George Hotopan, Carlos Vazquez
Publikováno v:
Applied Physics A. 118:83-89
In this work, the nonlinear electromagnetic response of a few-layer graphene sheet is experimentally analyzed. The few-layer graphene sheet is obtained through mechanical exfoliation from highly ordered pyrolytic graphite and embedded in a rectangula
Autor:
Jaime Laviada, Andreea Hadarig, Miguel Fernandez, Yuri Alvarez, George Hotopan, Cebrian Garcia, Samuel Ver-Hoeye, Carlos Vazquez, Fernando Las-Heras, R. Camblor, Ana Arboleya
Publikováno v:
IEEE Transactions on Antennas and Propagation. 61:5689-5696
A new submillimeter-wave imaging system based on the frequency scanning concept is presented. Using significantly less information than beam-steering techniques, frequency scanning-based imaging systems are able to provide angular information in rang
Autor:
Miguel Fernandez-Garcia, Jaime Laviada, Carlos Vazquez-Antuna, Fernando Las-Heras, R. Camblor, Ana Arboleya-Arboleya
Publikováno v:
IEEE Antennas and Propagation Magazine. 55:201-211
The aim of this paper is the description of experience in teaching a university extension course for manufacturing homemade antennas and receiving weather-satellite images with them. We thus introduce students to the field of antennas with a very ent
Autor:
George Hotopan, Samuel Ver-Hoeye, Fernando Las-Heras, Yuri Alvarez-Lopez, R. Camblor, Cebrian Garcia-Gonzalez, Miguel Fernandez-Garcia, Carlos Vazquez-Antuna, Jaime Laviada
Publikováno v:
Journal of Electromagnetic Waves and Applications. 27:430-438
A phase retrieval technique for multifrequency scattered field acquisition is presented in this paper. The proposed setup is based on indirect holography schemes so that it combines the desired signal with a known reference signal. The setup is used
Autor:
Fernando Las Heras, Samuel Ver Hoeye, George Hotopan, Carlos Vazquez, Miguel Garcia, R. Camblor
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 60:2494-2504
In this paper an in-depth study of the behavior of rationally synchronized oscillators (RSO) is presented. The circuit is optimized in order to achieve a broad synchronization bandwidth with low reference signal power through the selection of the ade
Autor:
S. Ver Hoeye, Miguel Fernandez, George Hotopan, Carlos Vazquez, Fernando Las-Heras, R. Camblor
Publikováno v:
Journal of Electromagnetic Waves and Applications. 26:468-479
In this work, a frequency scanning array of antipodal linearly tapered slot antennas is presented. The system is capable of performing beam steering from –11 to 10 degrees while sweeping the frequency from 8.25 GHz to 11.5 GHz. The beam scanning is
Autor:
Miguel Fernandez, George Hotopan, R. Camblor, Carlos Vazquez, F. Las Heras, R. Menéndez, P. Álvarez, S. Ver Hoeye
Publikováno v:
ResearcherID
In this work, a 3x frequency multiplier implemented with a microstrip gap covered with defoiled graphene is presented. The behaviour of the multiplier has been experimentally characterized for the input signal frequency band between 2.5 GHz and 5 GHz