Showing 921 - 940 results of 1,540 for search '"electromagnetic"', query time: 0.07s Refine Results
  1. 921

    Numerical Simulation and Active Protection of Lightning Discharge Based on Quantum Heuristic Evolutionary Algorithm by Mingfa Wu, Yufeng Qian, Chongjing Yang

    Published 2022-01-01
    “…Due to its physical influences such as strong current, high temperature, strong shock waves, and strong electromagnetic radiation, it has a huge destructive effect instantly, which may bring serious threats to people’s lives and property safety. …”
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    Article
  2. 922

    Propagation Characteristics and Magnetic Field Distribution of Rotating Magnet-Based Mechanical Antenna in the Air-Seawater-Seabed Three-Layer Medium by S. P. Chen, Q. Zhou, J. Y. Zhang, S. Y. Wang

    Published 2024-01-01
    “…Aiming at the application requirements of underwater cross-domain communication, based on the equivalent relationship between the rotating permanent magnet and the orthogonal time-varying current loop, this paper establishes an air-seawater-seabed three-layer medium model and analyzes the magnetic field distribution and propagation characteristics of the rotating permanent magnet-based mechanical antenna (RMBMA). Based on the electromagnetic field simulation software FEKO, the influence of vertical rotation and horizontal rotation of RMBMA on the radiation magnetic field is analyzed. …”
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    Article
  3. 923

    Radio-frequency cavity field measurements through free falling bead by Xiaonan Du, Lars Groening

    Published 2025-01-01
    “…This paper introduces a novel bead-falling measurement method for the precise and efficient mapping of electromagnetic fields within radio-frequency (rf) cavities, which are crucial components in the design of accelerators. …”
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    Article
  4. 924

    Study on High Performance of MPI-Based Parallel FDTD from WorkStation to Super Computer Platform by Z. L. He, K. Huang, Y. Zhang, Y. Yan, C. H. Liang

    Published 2012-01-01
    “…Parallel FDTD method is applied to analyze the electromagnetic problems of the electrically large targets on super computer. …”
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    Article
  5. 925

    A 60 GHz Planar Diplexer Based on Substrate Integrated Waveguide Technology by Nikolaos Athanasopoulos, Dimitrios Makris, Konstantinos Voudouris

    Published 2013-01-01
    “…Measurements are in good agreement with electromagnetic simulation, reporting very good channel isolation, small return losses, and moderate insertion losses in the passbands. …”
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    Article
  6. 926

    Efficient Time-Domain Ray-Tracing Technique for the Analysis of Ultra-Wideband Indoor Environments including Lossy Materials and Multiple Effects by F. Saez de Adana, O. Gutiérrez, M. A. Navarro, A. S. Mohan

    Published 2009-01-01
    “…The classical TD-UTD formulation is modified to include the contribution of lossy materials and multiple-ray interactions with the environment. The electromagnetic analysis is combined with a ray-tracing acceleration technique to treat realistic and complex environments. …”
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    Article
  7. 927

    Extraction of Weak Scatterer Features Based on Multipath Exploitation in Radar Imagery by Muhannad Almutiry, Lorenzo Lo Monte, Michael C. Wicks

    Published 2017-01-01
    “…The proposed solution is to suppress the dominant scatterer by modeling its electromagnetic effects as a secondary source or “extra dependent transmitter” in the measurement domain. …”
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    Article
  8. 928

    Nondestructive Measurement of Momentum Transfer Collision Frequency for Low Temperature Combustion Plasma by Douglas Letsholathebe, Kgakgamatso M. Mphale, Samuel Chimidza

    Published 2014-01-01
    “…Accurately measured momentum transfer collision frequency and electron density for fire plasma enable correct simulation of electromagnetic wave propagation in the medium. The simulation is essential for designing high-performance systems suitable for the environment. …”
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    Article
  9. 929

    Influence of Fiber Orientation on the Shear Properties of Steel Fiber-Reinforced Reactive Powder Concrete Beams by Kejia Yang, Kunliang Li, Yiwei Lin

    Published 2023-01-01
    “…To study the effects of the amount, length, and orientation of steel fibers on the shear strength of SFRPC beams, nonreinforced aligned steel fiber-reinforced reactive powder concrete (ASFRPC) beams were prepared using a large-scale electromagnetic field orientation device. Shear tests of specimens with a shear span ratio of 1.5 were performed under two fiber contents (1.0% and 2.0%) and three fiber lengths (20, 30, and 40 mm). …”
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    Article
  10. 930

    Beam Synthesis with Low-Bit Reflective Coding Metamaterial Antenna: Theoretical and Experimental Results by Qinhao Wu, Yongqiang Cheng, Xiang Li, Hongqiang Wang

    Published 2018-01-01
    “…It can realize real-time control of electromagnetic wave and build multifunction radar array system. …”
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    Article
  11. 931

    Human Exposure to Wireless Power Transmitter over Real Ground by Petra Rašić, Zoran Blažević, Dragan Poljak, Maja Škiljo

    Published 2024-12-01
    “…The paper undertakes a comparative examination between a novel analytical methodology and a conventional numerical technique to analyze human exposure to electromagnetic fields emitted by a vertically positioned, electrically short antenna over a real homogeneous ground. …”
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    Article
  12. 932

    Evaluation of SAR Distribution in Six-Layer Human Head Model by Asma Lak, Homayoon Oraizi

    Published 2013-01-01
    “…The interaction between human head model and electromagnetic field sources is studied. The head models are composed of one and six layers. …”
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    Article
  13. 933

    SAR Reduction Using Integration of PIFA and AMC Structure for Pentaband Mobile Terminals by Jae-Gon Lee, Jeong-Hae Lee

    Published 2017-01-01
    “…Even though the AMC structure is operated at a high band, the effect against the head could be reduced in the pentaband due to the spreading effect of the electromagnetic (EM) field at lower bands. From measured results, the 1 g SAR in the case of the AMC antenna is significantly lower than that in the case where only the PIFA is present in the pentaband.…”
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    Article
  14. 934

    Topological Cavity Chains via Shifted Photonic Crystal Interfaces by Wei Li, Junhui Hu, Hai-Xiao Wang

    Published 2025-01-01
    “…A recent work shows that the electromagnetic wave can be effectively trapped via the shifted photonic crystal interfaces (SPCIs), which offers an alternative approach to realizing the photonic cavity. …”
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    Article
  15. 935

    Uncertainty Quantification for the Transient Response of Human Equivalent Antenna Using the Stochastic Collocation Approach by Anna Šušnjara, Dragan Poljak

    Published 2019-01-01
    “…The paper deals with the uncertainty quantification of the transient axial current induced along the human body exposed to electromagnetic pulse radiation. The body is modeled as a straight wire antenna whose length and radius exhibit random nature. …”
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    Article
  16. 936

    A Compact 5G Decoupling MIMO Antenna Based on Split-Ring Resonators by Ziyu Xu, Qisheng Zhang, Linyan Guo

    Published 2019-01-01
    “…To improve the isolation of compact microstrip antenna array, this paper mainly presents an electromagnetic resonant ring method for MIMO antenna array. …”
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    Article
  17. 937

    Resonances in Reverse Vavilov-Cherenkov Radiation Produced by Electron Beam Passage over Periodic Interface by Gerard Granet, Petr Melezhik, Anatoliy Poyedinchuk, Seil Sautbekov, Yuriy Sirenko, Nataliya Yashina

    Published 2015-01-01
    “…For the first time, several physical peculiarities owing to these effects are considered in the conditions of possible resonant scattering of electromagnetic waves.…”
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    Article
  18. 938

    High-Q Resonances Induced by Toroidal Dipole Bound States in the Continuum in Terahertz Metasurfaces by Lincheng Guo, Yachen Gao

    Published 2025-01-01
    “…The radiation mode of the interaction between electromagnetic waves and materials has always been a research hotspot in nanophotonics, and bound states in the continuum (BICs) belong to one of the nonradiative modes. …”
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    Article
  19. 939

    Tidal Reconstruction of Neutron Star Mergers from Their Late Inspiral by Souradeep Pal, Rajesh Kumble Nayak

    Published 2025-01-01
    “…Fast and accurate measurements of the tidal deformability parameters can be used to inform astronomers when prioritizing the electromagnetic follow-up efforts for such sources.…”
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    Article
  20. 940

    Radiofrequency Ablation for Treatment of Symptomatic Uterine Fibroids by Siân Jones, Peter O'Donovan, David Toub

    Published 2012-01-01
    “…Most thermal ablation devices involve hyperthermia (heating of tissue), which entails the conversion of an external electromagnetic or ultrasound waves into intracellular mechanical energy, generating heat. …”
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    Article