Results 31 to 40 of about 3,064 (253)
Design and Simulation of Magnetic Conductors to Enhance Features of Satellite Antennas and to Reduce Effects of Space Radiation [PDF]
فصلنامه علوم و فناوری فضایی, 2013 To improve the performance of satellite antennas, use of a high-impedance surface is purposed. High impedance surfaces are known as artificial magnetic conductors. The designed magnetic conductor includes an array of a Jerusalem Cross frequency selective
M. Sh. Hosseinipanah +1 more
doaj
Broadband Artificial Magnetic Conductors Constructed of Magnetically Coupled Elements [PDF]
2021 15th European Conference on Antennas and Propagation (EuCAP), 2021 An Artificial Magnetic Conductor (AMC) is a type of metamaterial that can be used to enhance the performance in several antenna and microwave design applications. In this work we propose an analytical approach for size and bandwidth optimization of AMCs constructed of magnetically coupled elements Numerical results (obtained using COMSOL) for the ...
Pavel Petrov +2 more
openaire +1 more source
Microstrip Patch Antenna Bandwidth Enhancement Using AMC/EBG Structures
International Journal of Antennas and Propagation, 2012 A microstrip patch antenna with bandwidth enhancement by means of artificial magnetic conductor (AMC)/electromagnetic band-gap structure (EGB) is presented. The electrical characteristics of the embedded structure are evaluated using MoM simulations. The
R. C. Hadarig +2 more
doaj +1 more source
Experimental Investigation of Large Area Subwavelength Cavity Antennas With Planar Metamaterials
Frontiers in Materials, 2022 We experimentally investigated the large area subwavelength cavity antenna with artificial permeability-negative metamaterials in the GHz region. It is demonstrated that this new type of planar metamaterials has better directivity and higher gain with ...
Wei Wang +8 more
doaj +1 more source
Applications of AMC-based impedance surfaces
EPJ Applied Metamaterials, 2018 The recent and major enhancements of artificial magnetic conductor (AMC) and their applications namely RCS reduction, low-profile antennas and holographic leaky wave antennas are reviewed.
Balanis Constantine A. +4 more
doaj +1 more source
Wireless power transfer with artificial magnetic conductors [PDF]
2013 IEEE Wireless Power Transfer (WPT), 2013 In this paper, a wireless power transfer system (WPT) with magnetically coupled resonators is studied. The idea to use a reflector to enhance the coupling coefficient and the transfer efficiency is proposed and analyzed. Perfect magnetic conductor (PMC) was used in numerical calculations in order to study the performance of a reflector.
Jing Wu +3 more
openaire +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background Emerging evidence suggests that low‐frequency neural oscillations are dynamically regulated by consciousness levels, with the recovery of low cortical activity potentially serving as a neurophysiological substrate for conscious emergence. Targeted enhancement of these low‐frequency rhythms in patients with disorders of consciousness
Chuan Xu +10 more
wiley +1 more source
Millimeter Wave on Chip Antenna Using Dogbone Shape Artificial Magnetic Conductor
International Journal of Antennas and Propagation, 2013 An artificial magnetic conductor (AMC) applied in millimeter wave on chip antenna design based on a standard 0.18 μm CMOS technology is studied. The AMC consisting of two-dimensional periodic dogbone shape elements is constructed at one metal layer of ...
Guo Qing Luo +3 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Systemic sclerosis (SSc) is a rare autoimmune disease defined by immune dysregulation, vasculopathy, and progressive fibrosis of the skin and internal organs. Despite advances in care, major complications such as interstitial lung disease (ILD) and myocardial involvement remain the leading causes of morbidity and mortality.
Cristiana Sieiro Santos +2 more
wiley +1 more source
Fostering Innovation: Streamlining Magnetocaloric Materials Research by Digitalization
Advanced Engineering Materials, EarlyView.Magnetocaloric cooling (MCE) is an environmentally friendly refrigeration method with great potential. Optimizing MCE materials involves the preparation and screening of large quantities of samples, which in turn generates a large amount of data. A digitalization approach is presented that uses ontologies, knowledge graphs, and digital workflows to ...
Simon Bekemeier +17 more
wiley +1 more source