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Overview of reconfigurable intelligent surface for new-generation mobile communication
Published 2022-10-01“…Reconfigurable intelligent surface technology, which features low cost, low energy consumption and easy deployment, is the potential key technology of 6G.By intelligently regulating electromagnetic waves in space, RIS can assist in building an intelligent and controllable wireless electromagnetic environment, thus providing a new paradigm for the development of mobile communications.Firstly, the basic principle, main technology advantages and application scenarios were analyzed.Then, the key technologies such as channel estimation and beamforming in RIS aided communication transmission were discussed, and relevant research suggestions were given.Finally, the main challenges of RIS technology in practical application were analyzed from the aspects of hardware implementation, algorithm design and network deployment.…”
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622
Probing Electric Field in an Enclosed Field Mapper for Characterizing Metamaterials
Published 2014-01-01“…Spatially mapping electromagnetic fields in the quasi-two-dimensional field mapper (a parallel plate waveguiding system; Justice et al. (2006)) for characterizing metamaterial devices, especially those integrating the metal boundary, may encounter troubles including electromagnetic leakage caused by the air gap and energy guiding along finitely high metal walls. …”
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623
LAPLACE TRANSFORMATION SOLUTION OF ELECTRO-MAGNETO-THERMOELASTIC LAMINATED ORTHOGONAL HYPERBOLIC SHELL WITH FOUR SIMPLY SUPPORTED
Published 2018-01-01“…Based on Electromagnetic thermoelastic constitutive equations,its increased dimensions constitutive relationship on the basis of relevant literature was established,and the electromagnetic thermo-elastic material generic shell homogeneous state equations were derived. …”
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624
Effects of Simulation-Guided Microwave Presintering Process on the Preparation and Final Properties of Pure Ceramic Rings: Lower Sintering Temperature and Higher Mechanical Propert...
Published 2020-01-01“…The three-dimensional (3D) electromagnetic field simulation software HFSS is used to simulate the electromagnetic field distribution in the microwave sintering cavity and to determine the electromagnetic region with the most uniform electromagnetic field to guide the microwave sintering experiments. …”
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625
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626
Exposure to a Specific Pulsed Low-Frequency Magnetic Field: A Double-Blind Placebo-Controlled Study of Effects on Pain Ratings in Rheumatoid Arthritis and Fibromyalgia Patients
Published 2006-01-01“…BACKGROUND: Specific pulsed electromagnetic fields (PEMFs) have been shown to induce analgesia (antinociception) in snails, rodents and healthy human volunteers.…”
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627
Efficient DoA Tracking of Variable Number of Moving Stochastic EM Sources in Far-Field Using PNN-MLP Model
Published 2015-01-01“…An efficient neural network-based approach for tracking of variable number of moving electromagnetic (EM) sources in far-field is proposed in the paper. …”
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628
A guidance to intelligent metamaterials and metamaterials intelligence
Published 2025-01-01“…In turn, metamaterials create a versatile electromagnetic manipulator for wave-based analogue computing to be complementary with conventional electronic computing. …”
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629
REFRACTIVE INDEX DETERMINATION FOR A PLANE DIELECTRIC LAYER USING THE MEASUREMENTS OF TRANSMITTED BEAM INTENSITY
Published 2017-02-01“…It uses intensity measurements for two polarizations of transmitting electromagnetic beam and does not take into consideration phase relationships and phase parameters of testing field at unknown thickness of a layer.For this purpose, the layer transmission energy coefficients for two linear polarizations of an electromagnetic beam, orthogonal and parallel to the plane of incidence, are studied to be dependent on the layer thickness and its refractive index. …”
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630
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631
Fractal-Shaped Metamaterials and Applications to Enhanced-Performance Devices Exhibiting High Selectivity
Published 2012-01-01Get full text
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632
On Lorentz Invariant Complex Scalar Fields
Published 2022-01-01“…In particular, we solve the bound state and scattering problems of two particles which interact both electromagnetically and gravitationally (static electromagnetic and gravitational fields). …”
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633
PROCESSING OF STEEL AND CAST IRON SCRAPS AT RUP “MAZ”
Published 2007-02-01“…The original method of thermal cleaning of metal chips using high-frequency electromagnetic field was tested on the results of the carried out experimental- research works.…”
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634
Some Sufficient Conditions for Starlikeness and Convexity of Order
Published 2013-01-01“…Applications are indicated for the subordination results to electromagnetic cloaking.…”
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635
Study on the Detectability of the Sky-Surface Wave Hybrid Radar
Published 2014-01-01“…First of all, the radar equation is deduced based on the propagation of the electromagnetic wave. Then, how to calculate the effect of the ionosphere and the propagation loss is discussed. …”
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636
Wearable Passive E-Textile UHF RFID Tag Based on a Slotted Patch Antenna with Sewn Ground and Microchip Interconnections
Published 2017-01-01“…The measured results show that the textile tag achieves the electrical performance required in practical applications and that the slotted patch type antenna provides stable electromagnetic performance in different body-worn configurations.…”
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637
Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core
Published 2024-12-01“…Abstract We investigate the perturbation of the scalar field as well as the electromagnetic field over a sort of regular black holes which are characterized by the sub-Planckian curvature and the Minkowskian core. …”
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638
Design optimization of inner and outer‐rotor PMSGs for X‐ROTOR wind turbines
Published 2024-10-01“…In order to validate the analytical model, ANSYS electromagnetic and thermal simulations have been used. …”
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639
Reconfigurable and Tunable Metamaterials: A Review of the Theory and Applications
Published 2014-01-01“…Metamaterials are being applied to the development and construction of many new devices throughout the electromagnetic spectrum. Limitations posed by the metamaterial operational bandwidth and losses can be effectively mitigated through the incorporation of tunable elements into the metamaterial devices. …”
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640
Electrodynamics of Radiating Charges
Published 2012-01-01“…The theory of electrodynamics of radiating charges is reviewed with special emphasis on the role of the Schott energy for the conservation of energy for a charge and its electromagnetic field. It is made clear that the existence of radiation from a charge is not invariant against a transformation between two reference frames that has an accelerated motion relative to each other. …”
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