Results 51 to 60 of about 20,247 (218)
New technology based on clamping for high gradient radio frequency photogun [PDF]
, 2015 High gradient rf photoguns have been a key development to enable several applications of high quality electron beams. They allow the generation of beams with very high peak current and low transverse emittance, satisfying the tight demands for free ...
Alesini, David +10 more
core +2 more sources
Advanced Science, EarlyView.Inspired by the regulation mechanism of window blinds, this study designs an electromagnetic wave‐absorbing metamaterial. By introducing the magneto‐electric coupling concept and integrating it with an artificial intelligence‐based data‐driven collaborative optimization strategy, the material optimizes impedance matching performance and enhances loss ...
Zhe Wang +9 more
wiley +1 more source
Broadband circularly polarized antennas for UHF SATCOM [PDF]
, 2011 Novel circularly polarized (CP) antenna configurations derived from Moxon type antenna (bent dipole element over a ground plane) for broadband VHF SATCOM applications.
Manzhura, Oksana +3 more
core +1 more source
Lower hybrid range cold magnetized plasma coupling in ANSYS HFSS [PDF]
Fusion Engineering and Design, 2019 Abstract The coupling between cold magnetized plasmas with lower hybrid resonance frequency antennas is generally addressed using specifically developed codes. These antenna coupling codes often approximate the plasma to a surface impedance described by a 1D half infinite models and antennas either with simplified 2D dimensions or from 3D CAD models ...
Hillairet, Julien +4 more
openaire +2 more sources
Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective
Advanced Electronic Materials, EarlyView.Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe +4 more
wiley +1 more source
Frontiers in Marine Science, 2023 A consensus is emerging on marine microbial biogeography. However, knowledge of the biodiversity and biogeographic patterns of deep-sea microbes and the drivers is far from adequate.
Jing Huang +11 more
doaj +1 more source
A 77GHz on-chip microstrip patch antenna with suppressed surface wave using EBG substrate [PDF]
, 2013 This paper presents the design of a patch antenna with suppressed surface waves by means of applying an electromagnetic band-gap structure. Establishing th e antenna on high dielectric substrate such as Silicon makes it possible to integrate the ...
Nemati, Mohammad Hossein +2 more
core +1 more source
Design Helix Antenna by using HFSS
, 2022 ABSTRACT the aim of this paper is to providing actually a current of implicit wireless displacement sensor. The sensor consist of outside helix antenna and an inside aluminum oxide strip (AOS) material. Agreement with the perturbation theory, which there is an imprecise linear relation ship between the transfer of AOS material in the hollow of the ...
openaire +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Aiming at the current demand for using wellbore coaxial lines with tubing and casing in oil wells, implementing microwave chemical‐assisted crude oil upgrading underground, and promoting “carbon‐zero” mining projects in oil field development, we carried out theoretical analysis, simulations, and applied research on the distributed parameters ...
Tao Liu, Lili Wang
wiley +1 more source
Energy Reports, 2022 This paper presents a wireless power transfer (WPT) technique based on self-resonant Conformal Strongly Coupled Magnetic Resonance (CSCMR) model. The proposed model is compared to a capacitor-loaded mode in terms of their transmission efficiency through ...
Molefi J. Makhetha +2 more
doaj +1 more source