Results 61 to 70 of about 7,658 (218)

SIW teknologiadun antena simulazioa

open access: yes, 2015
[EU]Lan honetan, lehenik eta behin, SIW teknologiaren funtzionamendua ikasi dugu. Ondoren, eta gaur egun ezagunagoak diren antzeko mikrouhinetako teknologiei (microstrip, uhin gida edo antzerako transmisio lerroak) buruzko jakintza handitu ostean, hauen ...
Arruti Uria, Joseba
core   +1 more source

LETTERER-SIWE'S DISEASE

open access: yesAmerican Journal of Diseases of Children, 1936
In reviewing the literature in an attempt to identify the condition in the case which we are here reporting, we have found that Letterer,1in 1924 under the title "Aleukamische Retikulose (Ein Beitrag zu den proliferativen Erkrankungen des Retikuloendothelialapparates)," described the occurrence of splenohepatomegaly, associated with anemia, and a ...
ARTHUR F. ABT, EDWARD J. DENENHOLZ
openaire   +3 more sources

Miniaturised QMSIW Filter Loading Sinusoidal Curved Slot

open access: yesElectronics Letters, Volume 62, Issue 1, January/December 2026.
In this Letter, a miniaturised filter is designed, analysed and measured. Utilising a sinusoidal curved slot as a strengthened distributed capacitance enables a further 22% size reduction in the quarter‐mode substrate‐integrated waveguide (QMSIW) filter compared to one with a conventional slot.
Hai Zhang   +6 more
wiley   +1 more source

A Miniaturised Circularly Polarised Planar Antenna Utilising a Novel Square Ring Patch Feeding Structure

open access: yesIET Microwaves, Antennas &Propagation, Volume 20, Issue 1, January/December 2026.
In this article, a novel set of orthogonal capacitive stubs, designed to simultaneously control circular polarisation and miniaturisation characteristics, is embedded into a 3 × 3 circular patch array. A metallic square‐ring patch loaded with L‐shaped stubs is proposed to excite CM modes and introducing a new circularly polarised mode, thereby ...
Minyu Jiang, Lei Zhu, Yuanjian Liu
wiley   +1 more source

Design of a Dual‐Polarised Wide‐Band Stacked‐Patch Array for Ku Band Satcom On‐the‐Move

open access: yesIET Microwaves, Antennas &Propagation, Volume 20, Issue 1, January/December 2026.
This paper presents a dual‐linearly polarised stacked 2 × 2 patch antenna array designed for SATCOM on‐the‐move in the Ku band, operating over the receive (10.7–12.75 GHz) and transmit (13.75–14.5 GHz) sub‐bands. The array is fed by two perpendicular corporate networks enabling reconfiguration of orthogonal linear polarisations, which can be combined ...
Davide Guarnera   +7 more
wiley   +1 more source

Design of Wideband Substrate Integrated Waveguide Filters With Tunable Lowpass Characteristics

open access: yesIEEE Access
In this paper, the application of the stepped impedance synthesis technique in the design of tunable wideband substrate integrated waveguide (SIW) Chebyshev filters is explored.
Clara Maximo-Gutierrez   +2 more
doaj   +1 more source

Fast Filter‐Antenna Design Method Accelerated With Physical‐Inspired AI‐Driven Forward Solver

open access: yesIET Microwaves, Antennas &Propagation, Volume 20, Issue 1, January/December 2026.
A fast AI‐driven design method is proposed for RF devices, leveraging a physically inspired forward solver with a coupling matrix via an artificial neural network (ANN). By establishing space mapping between coarse and fine models and extracting the resonator's mutual coupling matrix, the method achieves robust, efficient and accurate prediction of S ...
Xingyi Liu   +7 more
wiley   +1 more source

Integración de elementos activos en estructuras SIW [PDF]

open access: yes, 2018
Esta tesis está dedicada a estudiar la viabilidad de integrar elementos activos en estructuras SIW, Substrate Integrated Waveguide. Para ello, en primer lugar, se ha estudiado en profundidad la tecnología SIW con el objetivo de conocer su funcionamiento ...
Esparza López, Nuria
core  

Interfacing virtual environment and expert system via HLA

open access: yes, 2022
Paper 03E-SIW ...
Heutling, S., Stüring, S., Schumann, M.
core  

Electronically tunable graphene-based half-mode SIW phase shifter [PDF]

open access: yesAIP Advances
This paper presents a proof of concept for the first graphene-based half-mode substrate integrated waveguide (GHMSIW) phase shifter. The GHMSIW phase shifter comprises a half-mode substrate integrated waveguide (SIW) transmission line and a single stub ...
Shakir Ullah, Muhammad Yasir
doaj   +1 more source

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