Articles with "rectangular waveguide" as a keyword



Fabrication of three‐dimensional printed rectangular waveguide T‐junction with in‐phase and equal power division

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Published in 2018 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.31294

Abstract: Three-dimensional (3D) printed rectangular waveguide Tjunction is presented with in-phase and equal power division by means of iris and septum at 10–15 GHz frequency range to use the waveguide feed network for array antenna. The… read more here.

Keywords: three dimensional; printed rectangular; rectangular waveguide; geometry ... See more keywords

A negative group delay rectangular waveguide based on corrugated tantalum nitride slow wave structure

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Published in 2023 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.33695

Abstract: In this letter, a rectangular waveguide with controlled negative group delay (NGD) is proposed. The equivalent circuit of the structure is proposed and analyzed. The NGD value and NGD center frequency can be adjusted continuously… read more here.

Keywords: structure; negative group; rectangular waveguide; group ... See more keywords

Low‐Insertion‐Loss, High‐Power Rectangular Waveguide‐To‐Coaxial Transition

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70047

Abstract: A low‐insertion‐loss, high‐power rectangular waveguide‐to‐coaxial transition is proposed in this letter. The proposed rectangular waveguide‐to‐coaxial transition is constructed by a rectangular‐waveguide H–T junction and square coaxes. The H‐plane T‐junction is used to convert the input… read more here.

Keywords: waveguide coaxial; rectangular waveguide; transition; insertion loss ... See more keywords

Diffraction of the Fundamental Waveguide Wave on an Inductive Cylinder in a Rectangular Waveguide

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Published in 2021 at "Computational Mathematics and Modeling"

DOI: 10.1007/s10598-021-09521-2

Abstract: We apply the integral equation method to the diffraction of a waveguide wave on an impedance inductive cylinder in a rectangular waveguide. The Green’s function determining the kernel of the relevant integral equation is constructed… read more here.

Keywords: inductive cylinder; waveguide wave; diffraction; waveguide ... See more keywords

Ka-Band Rectangular-Waveguide Gysel Power Divider with Low Insertion Loss and High Output Isolation

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Published in 2018 at "Journal of Infrared, Millimeter, and Terahertz Waves"

DOI: 10.1007/s10762-018-0525-z

Abstract: A Ka-band Gysel power divider based on rectangular waveguide is presented in this paper. The model and equivalent circuit of the presented power divider is introduced. The even- and odd-mode analytical method is applied to… read more here.

Keywords: waveguide gysel; power; power divider; gysel power ... See more keywords

Electromagnetic wave propagation and minimizing energy losses in a rectangular waveguide filled with inhomogeneous movable plasma under the effect of a relativistic electron beam

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Published in 2019 at "Indian Journal of Physics"

DOI: 10.1007/s12648-019-01544-1

Abstract: An analytical study is carried on the dispersion properties of a rectangular waveguide filled with warm and cold inhomogeneous magnetized movable plasma. A relativistic electron beam (REB) is considered as the only mechanism for controlling… read more here.

Keywords: electron beam; plasma; rectangular waveguide; relativistic electron ... See more keywords

Microwave heating of water in a rectangular waveguide: Validating EOF-Library against COMSOL multiphysics and existing numerical studies

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Published in 2019 at "Case Studies in Thermal Engineering"

DOI: 10.1016/j.csite.2019.100530

Abstract: Abstract The purpose of this work is two-fold: first, we successfully validate our open-source tool EOF-Library, which efficiently couples Elmer FEM and OpenFOAM, against COMSOL Multiphysics, a commercial simulation package; second, we inform about significant… read more here.

Keywords: water; rectangular waveguide; comsol multiphysics; eof library ... See more keywords

Octave bandwidth in-line rectangular waveguide-to-coaxial transition using oversized mode conversion

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Published in 2017 at "Electronics Letters"

DOI: 10.1049/el.2017.2507

Abstract: A very low-loss in-line rectangular waveguide-to-coaxial transition covering an octave bandwidth is presented. In order to obtain such frequency coverage, the transition employs oversized mode conversion, i.e. the rectangular waveguide dimensions are internally enlarged to… read more here.

Keywords: transition; mode conversion; rectangular waveguide; line rectangular ... See more keywords

Full D‐Band Superstrate‐Enhanced Transition for Rectangular Waveguide‐to‐PCB Interfacing

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Published in 2025 at "Electronics Letters"

DOI: 10.1049/ell2.70196

Abstract: A transition from air‐filled rectangular waveguide (RWG) to substrate‐integrated waveguide (SIW) is proposed that covers the entire D‐band (110–170 GHz). Broadband operation is obtained by leveraging a resonant slot and an aperture‐coupled patch antenna‐in‐waveguide, while co‐optimisation… read more here.

Keywords: full band; band; rectangular waveguide; band superstrate ... See more keywords

Internal admittance elements of a rectangular waveguide longitudinal slot using the image method

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Published in 2019 at "Electromagnetics"

DOI: 10.1080/02726343.2019.1619230

Abstract: ABSTRACT The internal admittance matrix elements that are needed during the Method of Moments analysis of a longitudinal slot in a rectangular waveguide have been evaluated by considering the slot images in waveguide walls. The… read more here.

Keywords: internal admittance; longitudinal slot; slot; method ... See more keywords
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Tri-post resonator in a rectangular waveguide

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Published in 2020 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2020.1728392

Abstract: ABSTRACT A novel three-in-one waveguide resonator is proposed in the paper. The resonator is composed of three rectangular partial-height posts inserted along a rectangular waveguide cross-section. A pair of posts is mounted symmetrically whereas the… read more here.

Keywords: tri post; waveguide; rectangular waveguide; resonator ... See more keywords