Zobrazeno 1 - 10
of 1 536
pro vyhledávání: '"gap-waveguide"'
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 5, Pp 485-493 (2024)
This paper proposes a printed ridge gap waveguide (PRGW)-based 2 × 2 millimeter-wave antenna array with broad bandwidth and compact aperture. A dual-resonance element consisting of a quarter circular and a quarter annular patch is initially designed
Externí odkaz:
https://doaj.org/article/0f4727d3058d4a5b9f87c9f516fa4aa9
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 4, Pp 384-392 (2024)
In this paper, we present a millimeter-wave Fabry-Perot antenna with dual resonances, circular polarization, and stable gain. To achieve circularly polarized radiation, we integrate a receiver-transmitter circular polarizer into the partially reflect
Externí odkaz:
https://doaj.org/article/d63cdad84a304350a0a7a99d88e1ed32
Publikováno v:
IEEE Access, Vol 12, Pp 116478-116488 (2024)
This paper presents a wideband and low-loss design of a compact power divider based on gap waveguide technology. The proposed power divider consists of two adjacent E-plane groove gap waveguide and a small ridge section to couple and equally divide t
Externí odkaz:
https://doaj.org/article/5c0130d0091c41ec894ea995d30d2ae7
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113127- (2024)
This article proposes a 3-D printed high selectivity triple-band metasurface bandpass filter (BPF) for millimeter-wave applications using groove gap waveguide (GGW) technology. Firstly, the metasurface composed of electromagnetic bandgap elements in
Externí odkaz:
https://doaj.org/article/bfa1938de73e4b6fb3448f7d649ff1f7
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:
Zahra Akhoondmahdi, Ahmad Bakhtafrouz
Publikováno v:
IEEE Access, Vol 12, Pp 134926-134936 (2024)
Microwave devices using printed gap waveguide technology, such as inverted microstrip gap waveguide (IMGW), are essential for millimeter-wave applications. In this article, a new wideband monopulse comparator composed of four wideband rat-race hybrid
Externí odkaz:
https://doaj.org/article/ae415eb1e6464a5983560573185683cd
Publikováno v:
IEEE Access, Vol 12, Pp 86346-86354 (2024)
This paper proposes a compact cross-shaped groove gap waveguide structure for creating wideband and compact directional couplers with different coupling levels. Groove gap waveguide technology is applied to overcome fabrication challenges of printed
Externí odkaz:
https://doaj.org/article/a3010811b1bc4d28a8bb1eebf177f48d
Publikováno v:
IEEE Access, Vol 12, Pp 81992-82001 (2024)
In satellite communication systems, Low Pass Filters (LPFs) are used to remove harmonics generated from the power source, minimize interference, and enhance the signal-to-noise ratio. Through the filter design process, various aspects must be conside
Externí odkaz:
https://doaj.org/article/f08f3bce8b064e3a8d53d42b7bf34f5d
Low-Sidelobe Flat Panel Array Fed by a 3D-Printed Half-Mode Gap Waveguide Amplitude-Tapering Network
Autor:
Adrian Castella-Montoro, Miguel Ferrando-Rocher, Jose Ignacio Herranz-Herruzo, Alejandro Valero-Nogueira
Publikováno v:
IEEE Access, Vol 12, Pp 2607-2614 (2024)
This article presents the design and evaluation of an $8\times 8$ 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 half-mode groove gap waveguide
Externí odkaz:
https://doaj.org/article/9fc7483434e64d5bbe4794215158e4ff
Publikováno v:
Applied Sciences, Vol 14, Iss 23, p 10891 (2024)
Recently, groove gap waveguides (GGWs) have shown significant potential in power handling and bandwidth enhancement compared to conventional waveguides. In this research work, we designed and developed an innovative mushroom-unit-cell-based groove ga
Externí odkaz:
https://doaj.org/article/26613eda8aaf4edcbe63132e73ebef55