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Listar por palabra clave "Gap waveguide"

Mostrando ítems 1-10 de 10

60-GHz Single-Layer Slot-Array Antenna fed by Groove Gap Waveguide

Ferrando-Rocher, Miguel; Valero-Nogueira, Alejandro; Herranz Herruzo, José Ignacio; Teniente, Jorge (Institute of Electrical and Electronics Engineers, 2019-05)

[EN] A V-band single-layer low-loss slot-array antenna is presented in this letter. Radiating slots are backed by coaxial cavities, which are fed through a groove gap waveguide E-plane corporate feed network. Cavity ...
A Half-Mode Groove Gap Waveguide for Single-Layer Antennas in the Millimeter-Wave Band

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Baquero Escudero, Mariano (Institute of Electrical and Electronics Engineers, 2022-12)

[EN] This letter presents an alternative to significantly reduce the time and difficulty in designing and fabricating antennas in gap waveguide (GW) technology by using a novel half-mode groove GW. GW is often criticized ...
Dual Circularly Polarized Aperture Array Antenna in Gap Waveguide for High-Efficiency Ka-Band Satellite Communications

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2020)

[EN] A novel fully metallic Ka-band dual circularly polarized antenna array is presented in this contribution. It consists of 64 circular apertures (8x8) and it is implemented in gap waveguide technology. The antenna ...
Gap Waveguides using a suspended stripon a bed of nails

Valero-Nogueira, Alejandro; Baquero Escudero, Mariano; Herranz Herruzo, José Ignacio; Doménech Navarro, Javier; Alfonso Alós, Esperanza; Vila Jiménez, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2011)

This letter discusses the feasibility of a new type of waveguide consisting of a strip suspended on a bed of nails. The bed of nails enforces a stopband, while the strip opens a propagating path that can be used to design ...
Ka-band Continuous Transverse Stub array fed by ridge gap waveguides for SATCOM on the move applications

Pérez Guimerá, Alejandro (Universitat Politècnica de València, 2022-10-14)

[ES] Las agrupaciones de stubs transversales (CTS) en banda Ka con capacidad de direccionamiento del haz usando la tecnología Gap Waveguide (GW) se han estudiado. El principal objetivo ha sido diseñar antenas para ...
Low-Sidelobe Flat Panel Array Fed by a 3D-Printed Half-Mode Gap Waveguide Amplitude-Tapering Network

Castellá-Montoro, Adrián; Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro (Institute of Electrical and Electronics Engineers, 2024)

[EN] This article presents the design and evaluation of an 8 x 8 Ka-band low-sidelobe slot array antenna using gap waveguide technology. The slot array is fed by a single-layer amplitude-tapering network implemented in ...
New half-mode groove gap waveguide for cost-effective antenna arrays in millimeter-wave applications

Pérez Guimerá, Alejandro (Universitat Politècnica de València, 2022-10-15)

[ES] El interés actual por la banda de ondas milimétricas ha dado lugar a nuevos retos en el diseño de componentes. Las soluciones tecnológicas más utilizadas son las guías de onda huecas y las líneas de transmisión planas. ...
Single-Layer Sequential Rotation Network in Gap Waveguide for a Wideband Low-Profile Circularly Polarized Array Antenna

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2022)

[EN] A low-profile circularly-polarized sequential rotation fed 4 x 4 array antenna working in the Ka-band from 27.5 GHz to 31 GHz is presented. The particularity of the antenna lies in its single-layer sequential rotation ...
Switchable T-Slot for Dual-Circularly-Polarized Slot-Array Antennas in Ka-Band

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2021-10)

[EN] This letter presents two slotted array antennas working in the Ka-band with switchable circular polarization capability. The first prototype is a series-fed slotted-waveguide linear array composed of ten T-shaped ...
Wideband Circularly Polarized mm-Wave Array Antenna Using H-Shaped Low-Axial-Ratio Apertures

Herranz Herruzo, José Ignacio; Ferrando-Rocher, Miguel; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2023-05)

[EN] An H-shaped all-metal radiating element comprising an active and a coupled slot has been proposed to design wideband high-efficiency circularly polarized antenna arrays. The proper excitation of several modes on the ...