Results 21 to 30 of about 28,237 (188)

Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB)

open access: yesIEEE Access, 2022
In this paper, a resonator and second order filter are fabricated using a novel technological process based on micromachining and thermo-diffusion. The use of this innovative process opens the way to the design of RF components relying on partially air ...
Leanne Johnson   +6 more
doaj   +1 more source

Windowed Green Function Method for Nonuniform Open-Waveguide Problems [PDF]

open access: yes, 2016
This contribution presents a novel Windowed Green Function (WGF) method for the solution of problems of wave propagation, scattering and radiation for structures which include open (dielectric) waveguides, waveguide junctions, as well as launching and/or
Bruno, Oscar   +2 more
core   +2 more sources

Ultra-wideband cork substrate-integrated-waveguide cavity-backed slot antenna [PDF]

open access: yes, 2015
An ultra-wideband (UWB) substrate-integrated-waveguide (SIW) cavity-backed slot antenna covering the lower part of the 3.1-10.6 GHz block allocated to UWB transmission systems, being 3.1-3.6 GHz, is designed, constructed and validated.
Agneessens, Sam   +5 more
core   +1 more source

Miniaturization Trends in Substrate Integrated Waveguide (SIW) Filters: A Review

open access: yesIEEE Access, 2020
This review provides an overview of the technological advancements and miniaturization trends in Substrate Integrated Waveguide (SIW) filters. SIW is an emerging planar waveguide structure for the transmission of electromagnetic (EM) waves. SIW structure
Amjad Iqbal   +5 more
doaj   +1 more source

Millimeter Wave Substrate Integrated Waveguide Antennas: Design and Fabrication Analysis [PDF]

open access: yes, 2009
The paper presents a new concept in antenna design, whereby a photo-imageable thick-film process is used to integrate a waveguide antenna within a multilayer structure. This has yielded a very compact, high performance antenna working at high millimeter-
Batchelor, John C.   +4 more
core   +1 more source

Novel wearable antenna systems for high datarate mobile communication in healthcare [PDF]

open access: yes, 2014
In critical healthcare applications, there is a need for reliable wideband mobile communication links, implemented by portable units with sufficient autonomy.
Agneessens, Sam   +8 more
core   +2 more sources

Nose-Cone Conformal Substrate-Integrated Waveguide Slot Array Antenna for X-Band Radar Applications

open access: yesInternational Journal of Antennas and Propagation, 2019
This paper presents the design of nose-cone conformal substrate-integrated waveguide (SIW) slot array antenna for modern radar applications. Firstly, the wave propagation characteristics have been investigated in doubly curved SIW, and it has been ...
Hisham Khalil   +2 more
doaj   +1 more source

Wide-band SIW cavity-backed circular polarized array antennas with sequential rotation technique [PDF]

open access: yes, 2016
© 2016 IEEE. A circularly-polarized (CP) array antenna based on the substrate integrated waveguide (SIW) technology is proposed. The 2×2 linearly polarized SIW sub-arrays with 90° sequential rotation are employed as the radiating elements on the top ...
Ding, C, Guan, DF, Sun, H, Yuan, F
core   +1 more source

Optimization Methodology of Multiple Air Hole Effects in Substrate Integrated Waveguide Applications [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2018
A wide spectrum of potential applications using substrate integrated waveguide (SIW) technologies in conjunction with air hole regions is introduced, and an efficient optimization methodology to cope with the multiple air hole effect in SIW applications ...
Jin-Yang Kim   +3 more
doaj   +1 more source

Bispectral quantum Knizhnik-Zamolodchikov equations for arbitrary root systems [PDF]

open access: yes, 2009
The bispectral quantum Knizhnik-Zamolodchikov (BqKZ) equation corresponding to the affine Hecke algebra $H$ of type $A_{N-1}$ is a consistent system of $q$-difference equations which in some sense contains two families of Cherednik's quantum affine ...
van Meer, Michel
core   +2 more sources

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