Showing 1,041 - 1,060 results of 1,540 for search '"electromagnetism"', query time: 0.05s Refine Results
  1. 1041

    An analytical investigation of nonlinear time-fractional Schrödinger and coupled Schrödinger–KdV equations by Yogeshwari F. Patel, Mohammad Izadi

    Published 2025-03-01
    “…These equations model various wave phenomena, including dust-acoustic waves, electromagnetic waves, and Langmuir waves, in plasma physics. …”
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    Article
  2. 1042

    The Study of Thermal Conditions on Weibel Instability by M. Mahdavi, H. Khanzadeh

    Published 2015-01-01
    “…Weibel electromagnetic instability has been studied analytically in relativistic plasma with high parallel temperature, where |α=(mc2/T∥)(1+p^⊥2/m2c2)1/2|≪1 and while the collision effects of electron-ion scattering have also been considered. …”
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  3. 1043

    Leaky Wave Array in Full Planar Substrate with EBG-Based Wave Guiding Channel by Linghui Kong, Sen Yan, Vladimir Volskiy, Binke Huang, Guy A. E Vandenbosch

    Published 2021-01-01
    “…The guiding channel is developed on the full planar dielectric substrate and aligned with electromagnetic bandgap (EBG) units. Since the bandgap of these mushroom-like units is calculated with a coverage of the channel working band, these units are of great importance on ensuring the transmission efficiency and eliminating the coupling effect between channels. …”
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    Article
  4. 1044

    Charged spherically symmetric and slowly rotating charged black hole solutions in bumblebee gravity by Jia-Zhou Liu, Wen-Di Guo, Shao-Wen Wei, Yu-Xiao Liu

    Published 2025-02-01
    “…Abstract In this paper, we study the scenario in which the matter field is an electromagnetic field nonminimally coupled to the bumblebee vector field. …”
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  5. 1045

    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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  6. 1046

    Synthesis and Investigation of Algorithm for Estimation of Active Stator Resistance of Asynchronous Motor with Fixed Rotor by D. S. Odnolko

    Published 2012-04-01
    “…The analysis has revealed the following: measured signals are noisy due to quantization and differentiation; dynamic model of an induction motor provides only approximate presentation about actual processes in the electromagnetic system of the machine. The paper presents results of  a system simulation while applying the proposed algorithm that confirm the fact that the estimated value of the active stator resistance tends to a true value with high accuracy. …”
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  7. 1047

    An Electromechanical Pendulum Robot Arm in Action: Dynamics and Control by A. Notué Kadjie, P. R. Nwagoum Tuwa, Paul Woafo

    Published 2017-01-01
    “…The authors numerically investigate the dynamics and control of an electromechanical robot arm consisting of a pendulum coupled to an electrical circuit via an electromagnetic mechanism. The analysis of the dynamical behavior of the electromechanical device powered by a sinusoidal power source is carried out when the effects of the loads on the arm are neglected. …”
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    Article
  8. 1048

    Nanostructures for Enhanced Light Absorption in Solar Energy Devices by Gustav Edman Jonsson, Hans Fredriksson, Raja Sellappan, Dinko Chakarov

    Published 2011-01-01
    “…This opens a wealth of possibilities to explore the new, often of resonance character, phenomena observed when the object size and the electromagnetic field periodicity (light wavelength λ) match. …”
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  9. 1049

    Study of the Interference Affecting the Performance of the Theremin by Carmen Bachiller Martín, Jorge Sastre Martínez, Amelia Ricchiuti, Héctor Esteban González, Carlos Hernández Franco

    Published 2012-01-01
    “…The paper shows different simulations calculated with the commercial software Ansoft HFSS, a tool which allows three-dimensional full wave electromagnetic field simulation, with radio frequencies, millimeter and micro waves, and experimental measures, both showing a reduction in the effect of the interference.…”
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  10. 1050

    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
  11. 1051

    Characterization and analysis of Ca-Zn ferrite nanoparticles based flexible metamaterial for sensing applications by Md.Zikrul Bari Chowdhury, Mohammad Tariqul Islam, Iskandar Yahya, Abdulmajeed M. Alenezi, Mohamed S. Soliman, Md. Samsuzzaman

    Published 2025-03-01
    “…Structural characterization through X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) confirmed the composite’s structural integrity and electromagnetic suitability. The MTM exhibited multi-frequency resonance at 2.4 GHz, 3.68 GHz, and 7 GHz, with the C-band resonance demonstrating high sensitivity for sensing applications. …”
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    Article
  12. 1052

    Thermodynamics of Charged Rotating Dilaton Black Branes Coupled to Logarithmic Nonlinear Electrodynamics by A. Sheykhi, M. H. Dehghani, M. Kord Zangeneh

    Published 2016-01-01
    “…We find the solutions are thermally stable for α<1, while for α>1 the solutions may encounter an unstable phase, where α is dilaton-electromagnetic coupling constant.…”
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  13. 1053

    A New Approach to Black Hole Quasinormal Modes: A Review of the Asymptotic Iteration Method by H. T. Cho, A. S. Cornell, Jason Doukas, T.-R. Huang, Wade Naylor

    Published 2012-01-01
    “…This paper presents for the first time the spin 0, 1/2 and 2 QNMs of a Kerr black hole and the gravitational and electromagnetic QNMs of the RN black hole calculated via the AIM and confirms results previously obtained using the CFM. …”
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  14. 1054

    Design and Analysis of a Carbonyl Iron Powder/Epoxy Composite-Based Ultra-Wideband Multi-Pyramidal Magnetic Absorber Using an Equivalent Circuit Model by Aparna Parameswaran, Nohgyeom Ha, Soo Hyun Kim, Sukjin Kwon, Byeongjin Park, Sangkil Kim

    Published 2025-01-01
    “…This paper presents a CIP/epoxy composite based ultra-wide band electromagnetic multipyramidal absorber. The constituent parameters of the CIP/epoxy composite is experimentally extracted using a waveguide measurement setup. …”
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  15. 1055

    Search for high-frequency gravitational waves with Rydberg atoms by Sugumi Kanno, Jiro Soda, Akira Taniguchi

    Published 2025-01-01
    “…The weak electric field signal is then detected by an electromagnetically induced transparency (EIT) in the system of the Rydberg atoms. …”
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  16. 1056

    Chemical Reaction and Radiation Effects on MHD Flow of Oldroyd-B Fluid through Porous Medium Past an Exponentially Stretching Sheet with Heat Sink by Faisal Salah, Abdelmgid O. M. Sidahmed

    Published 2022-01-01
    “…In this article, the effect of electromagnetic force with the chemical and thermal radiation effect on the Oldroyd-B fluid past an exponentially stretched sheet with a heat sink and porous medium was studied. …”
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  17. 1057

    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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  18. 1058

    NONCONVENTIONAL TECHNIQUE TO MAKE BOROSILICATE GLASS FROTH by Lucian Paunescu, Sorin Mircea Axinte, Bogdan Valentin Paunescu

    Published 2024-12-01
    “…In this experiment, the non-conventional electromagnetic wave heating technique was adopted and as an originality, a mixed heating method (partly direct and partly indirect) was chosen to keep safe the inner structure of the froth. …”
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  19. 1059

    A New Wideband Circularly Polarized Dielectric Resonator Antenna Loaded with Strips by Lichao Hao, Hao Wang, Bo Li, Wenting Yin

    Published 2021-01-01
    “…The CP DRA comprises a circular DR, two pairs of driven L-like DR strips with different lengths, and a square ground-plane. To couple the electromagnetic energy to circular DR, an orthogonal cross-slot is used, and a stepped microstrip-line is also used to adjust the impedance matching. …”
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  20. 1060

    Transmission Characteristic Analysis for Disc Type Eddy Current Permanent Magnetic Governor based on Ansoft by Fang Jun, Tao Hongyan, Yu Chengbo

    Published 2016-01-01
    “…The disc type eddy current permanent magnetic governor is a new type of device for speed control,it is installed between motor and load.The torque and speed can be adjusted by magnetic flux density which relates to the gap size between the magnetic steel rotor and conductor rotor.The governor electromagnetic field is analyzed and the torque expression is established.Through the analysis,the influence factor of structure size,material property of key parts,rotation speed difference three aspects affects on the transmission characteristic are got.Then,by using the Maxwell 3D of Ansoft software,the simulation model is built and the simulation of 3D static,transient is carried out by changing influence factors separately,the air gap magnetic flux density distribution diagram and curve of each influence factor on the torque and magnetic energy utilization are obtained.By analyzing the variation reason,the conclusion is got and some references for structure size optimization and material selection of this sort of permanent magnet governor is provided.…”
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