Showing 621 - 640 results of 1,540 for search '"electromagnet"', query time: 0.06s Refine Results
  1. 621

    Overview of reconfigurable intelligent surface for new-generation mobile communication by Zilu GAO, Shaohui SUN, Li LI

    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.…”
    Get full text
    Article
  2. 622

    Probing Electric Field in an Enclosed Field Mapper for Characterizing Metamaterials by Sucheng Li, Chendong Gu, Yadong Xu, Shahzad Anwar, Weixin Lu, Zhi Hong Hang, Bo Hou, Huanyang Chen

    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. …”
    Get full text
    Article
  3. 623

    LAPLACE TRANSFORMATION SOLUTION OF ELECTRO-MAGNETO-THERMOELASTIC LAMINATED ORTHOGONAL HYPERBOLIC SHELL WITH FOUR SIMPLY SUPPORTED by LIU YanHong, YANG WeiXu

    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. …”
    Get full text
    Article
  4. 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... by Xiao Lu, Tong-Tong Zhou, Feng-He Zhao, Xiao-Xiong Wang, Li-Xiang Chen, Yun-Ze Long

    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. …”
    Get full text
    Article
  5. 625
  6. 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 by Naomi M Shupak, Julia C McKay, Warren R Nielson, Gary B Rollman, Frank S Prato, Alex W Thomas

    Published 2006-01-01
    “…BACKGROUND: Specific pulsed electromagnetic fields (PEMFs) have been shown to induce analgesia (antinociception) in snails, rodents and healthy human volunteers.…”
    Get full text
    Article
  7. 627

    Efficient DoA Tracking of Variable Number of Moving Stochastic EM Sources in Far-Field Using PNN-MLP Model by Zoran Stanković, Nebojša Dončov, Bratislav Milovanović, Ivan Milovanović

    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. …”
    Get full text
    Article
  8. 628

    A guidance to intelligent metamaterials and metamaterials intelligence by Chao Qian, Ido Kaminer, Hongsheng Chen

    Published 2025-01-01
    “…In turn, metamaterials create a versatile electromagnetic manipulator for wave-based analogue computing to be complementary with conventional electronic computing. …”
    Get full text
    Article
  9. 629

    REFRACTIVE INDEX DETERMINATION FOR A PLANE DIELECTRIC LAYER USING THE MEASUREMENTS OF TRANSMITTED BEAM INTENSITY by V. M. Serdyuk, J. A. Titovitsky

    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. …”
    Get full text
    Article
  10. 630
  11. 631
  12. 632

    On Lorentz Invariant Complex Scalar Fields by Gustavo Rigolin

    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). …”
    Get full text
    Article
  13. 633

    PROCESSING OF STEEL AND CAST IRON SCRAPS AT RUP “MAZ” by P. S. Gurchenko, M. I. Demin, A. I. Mihluk, A. M. Skibaij

    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.…”
    Get full text
    Article
  14. 634

    Some Sufficient Conditions for Starlikeness and Convexity of Order by Yi-Ling Cang, Jin-Lin Liu

    Published 2013-01-01
    “…Applications are indicated for the subordination results to electromagnetic cloaking.…”
    Get full text
    Article
  15. 635

    Study on the Detectability of the Sky-Surface Wave Hybrid Radar by Hou Chengyu, Ke Guo, Shi Tiange, Wang Yuxin

    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. …”
    Get full text
    Article
  16. 636

    Wearable Passive E-Textile UHF RFID Tag Based on a Slotted Patch Antenna with Sewn Ground and Microchip Interconnections by Johanna Virkki, Zhigang Wei, Aruhan Liu, Leena Ukkonen, Toni Björninen

    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.…”
    Get full text
    Article
  17. 637

    Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core by Chen Tang, Yi Ling, Qing-Quan Jiang, Guo-Ping Li

    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. …”
    Get full text
    Article
  18. 638

    Design optimization of inner and outer‐rotor PMSGs for X‐ROTOR wind turbines by Reza Yazdanpanah, Seyed Abolfazl Mortazavizadeh, Mohammad Salehian, David Campos‐Gaona, Olimpo Anaya‐Lara

    Published 2024-10-01
    “…In order to validate the analytical model, ANSYS electromagnetic and thermal simulations have been used. …”
    Get full text
    Article
  19. 639

    Reconfigurable and Tunable Metamaterials: A Review of the Theory and Applications by Jeremiah P. Turpin, Jeremy A. Bossard, Kenneth L. Morgan, Douglas H. Werner, Pingjuan L. Werner

    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. …”
    Get full text
    Article
  20. 640

    Electrodynamics of Radiating Charges by Øyvind Grøn

    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. …”
    Get full text
    Article