Search Results - "Barba, Mariano"

A High-Isolation, Wideband and Dual-Linear Polarization Patch Antenna by Barba, M.

“…The design of a dual-polarization stacked patch antenna to be used in GSM-UMTS base station arrays is presented. The patch shows a high matching level in a…”
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Accurate and Efficient Modeling to Calculate the Voltage Dependence of Liquid Crystal-Based Reflectarray Cells by Perez-Palomino, Gerardo, Florencio, Rafael, Encinar, Jose A., Barba, Mariano, Dickie, Raymond, Cahill, Robert, Baine, Paul, Bain, Michael, Boix, Rafael R.

“…Two models that can predict the voltage-dependent scattering from liquid crystal (LC)-based reflectarray cells are presented. The validity of both numerical…”
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Dual-Polarization Ku-Band Compact Spaceborne Antenna Based on Dual-Reflectarray Optics by Tienda, Carolina, Encinar, Jose A, Barba, Mariano, Arrebola, Manuel

“…This article demonstrated an accurate analysis technique for dual-reflectarray antennas that take into account the angle of incidence of the impinging electric…”
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Design, Manufacture and Test of a Low-Cost Shaped-Beam Reflectarray Using a Single Layer of Varying-Sized Printed Dipoles by Carrasco, E., Barba, M., Encinar, J. A., Arrebola, M., Rossi, F., Freni, A.

“…This paper presents the design, manufacture and test of a low-cost reflectarray antenna that provides a sectored-cosecant squared beam. The bandwidth…”
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Recent Developments of Reflectarray Antennas for Reconfigurable Beams Using Surface-Mounted RF-MEMS by Carrasco, Eduardo, Barba, Mariano, Arrebola, Manuel, Encinar, Jose A.

“…Some of the most recent developments in reconfigurable reflectarrays using surface-mounted RF-MEMS, which have been developed at the Universidad Politécnica de…”
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A 94 GHz Monopulse Duplexing Horn Antenna for a 3-D Tracking Radar by Ferreras, Marta, Barba, Mariano, Grajal, Jesus

“…This article presents the first demonstration of a full-waveguide feed at W-band, enabling transmit-receive duplexing and 2-D tracking of targets. The proposed…”
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Design and Demonstration of an Electronically Scanned Reflectarray Antenna at 100 GHz Using Multiresonant Cells Based on Liquid Crystals by Perez-Palomino, Gerardo, Barba, Mariano, Encinar, Jose A., Cahill, Robert, Dickie, Raymond, Baine, Paul, Bain, Michael

“…The design, fabrication, and measured results are presented for a reconligurable reflectarray antenna based on liquid crystals (LCs) which operates above 100…”
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Flat Reflectarray That Generates Adjacent Beams by Discriminating in Dual Circular Polarization by Florencio, Rafael, Encinar, Jose A., Boix, Rafael R., Barba, Mariano, Toso, Giovanni

“…One planar <inline-formula> <tex-math notation="LaTeX">18 \times 18 </tex-math></inline-formula> cm 2 reflectarray prototype, capable of generating adjacent…”
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Planar C-Band Antenna with Electronically Controllable Switched Beams by Barba, Mariano, Encinar, Jose A., Page, Juan E.

“…The design, manufacturing, and measurements of a switchable-beam antenna at 3.5 GHz for WLL or Wimax base station antennas in planar technology are presented…”
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X-Band Reflectarray Antenna With Switching-Beam Using PIN Diodes and Gathered Elements by Carrasco, E., Barba, M., Encinar, J. A.

“…An electronically switching-beam reflectarray antenna to be used in X-band has been designed, manufactured and tested, using PIN diodes as switching device…”
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Dual Polarized Reflectarray Transmit Antenna for Operation in Ku- and Ka-Bands With Independent Feeds by Martinez-de-Rioja, Eduardo, Encinar, Jose A., Barba, Mariano, Florencio, Rafael, Boix, Rafael R., Losada, Vicente

“…A reflectarray antenna capable of operating independently in the transmit frequencies (from a satellite) in Ku-band (11-13 GHz) and Ka-band (19-20 GHz) has…”
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Gravimetric biosensor based on a 1.3 GHz AlN shear-mode solidly mounted resonator by DeMiguel-Ramos, Mario, Díaz-Durán, Bárbara, Escolano, José-Miguel, Barba, Mariano, Mirea, Teona, Olivares, Jimena, Clement, Marta, Iborra, Enrique

“…We investigate the performance of solidly mounted resonators based on Ir/tilted-AlN/Ir piezoelectric stacks as biosensors. These films are deposited by varying…”
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Design and Experimental Validation of Liquid Crystal-Based Reconfigurable Reflectarray Elements With Improved Bandwidth in F-Band by Perez-Palomino, G., Baine, P., Dickie, R., Bain, M., Encinar, J. A., Cahill, R., Barba, M., Toso, G.

“…A reconfigurable reflectarray which exploits the dielectric anisotropy of liquid crystals (LC) has been designed to operate in the frequency range from 96 to…”
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Realization of Focused Beam and Shaped Beam Transmitarrays Based on Broadband Unit Cells by Nematollahi, Hoda, Laurin, Jean-Jacques, Barba, Mariano, Encinar, Jose A.

“…A focused beam and a shaped beam four-layer transmitarray (TA) antenna operating in the K-band have been designed, fabricated, and measured. Four-layer unit…”
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Bandwidth Improvement in Large Reflectarrays by Using True-Time Delay by Carrasco, E., Encinar, J.A., Barba, M.

“…A significant improvement in the bandwidth of large reflectarrays is demonstrated using elements which allow true-time delay. Two identical, large…”
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Design, Manufacturing and Test of a Dual-Reflectarray Antenna With Improved Bandwidth and Reduced Cross-Polarization by Tienda, C., Encinar, J. A., Arrebola, M., Barba, M., Carrasco, E.

“…A dual-offset reflectarray demonstrator has been designed, manufactured and tested for the first time. In the antenna configuration presented in this paper,…”
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Presencia de Mayo by Barba, Enrique Mariano

“…Cuando el autor citado dice que los poderes de la Comisión representativa fueron trasladados al gobernador de Buenos Aires comete un grave error, el mismo que…”
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Los poderes de Rosas y el Pacto Federal by Barba, Enrique Mariano

“…Anexo documental Presencia de Mayo Enrique Mariano Barba --- La presente conferencia fue dictada en la Asociación de Maestros de la Provincia de Buenos Aires…”
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Characterization of a Reflectarray Gathered Element With Electronic Control Using Ohmic RF MEMS and Patches Aperture-Coupled to a Delay Line by Carrasco, E., Barba, M., Reig, B., Dieppedale, C., Encinar, J. A.

“…A reflectarray element with electronic phase control implemented by ohmic MEMS switches is characterized and validated in the X-band. The proposed element is…”
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Multifed Printed Reflectarray With Three Simultaneous Shaped Beams for LMDS Central Station Antenna by Arrebola, M., Encinar, J.A., Barba, M.

“…A two-layer reflectarray is proposed as a central station antenna for a local multipoint distribution system (LMDS) in the 24.5-26.5 GHz band. The antenna…”
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