Showing 781 - 800 results of 1,540 for search '"electromagnetism"', query time: 0.04s Refine Results
  1. 781

    TECHNIQUE OF ESTIMATE OF CONDUCTIVITY OF SMALL COAL SAMPLES BY THEIR INFLUENCE ON SIGNAL OF SPIN-LABEL IN RESONATOR OF ESR SPECTROMETER by N. A. Poklonski, S. A. Vyrko, O. N. Poklonskaya, N. I. Gorbachuk, A. I. Siahlo

    Published 2015-03-01
    “…The results of study at room temperature in the air of influences of the nonresonant absorption of microwave electromagnetic radiation by coal samples of different masses in the center of H102-resonator on the electron spin resonance (ESR) signal of a standard sample (spin label) of a ruby crystal, permanently mounted on the side wall of the resonator, are presented. …”
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  2. 782

    Klein-Gordon Oscillator in the Presence of External Fields in a Cosmic Space-Time with a Space-Like Dislocation and Aharonov-Bohm Effect by Faizuddin Ahmed

    Published 2020-01-01
    “…In this paper, we study interactions of a scalar particle with electromagnetic potential in the background space-time generated by a cosmic string with a space-like dislocation. …”
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  3. 783

    All-dielectric nonlinear metasurface: from visible to vacuum ultraviolet by Zhihui Wang, Rong Lin, Jin Yao, Din Ping Tsai

    Published 2025-01-01
    “…This review introduces the theoretical framework: resonant modes enhance the local electromagnetic field and promote nonlinear polarization. …”
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  4. 784

    Structural, electrical and EMI shielding property of carbon nanotube decorated magnetic/ceramic nanoparticles by Mahdieh Dehghani-Dashtabi, Hoda Hekmatara

    Published 2025-01-01
    “…Abstract To protect against harmful electromagnetic interference (EMI), it is crucial to fabricate composite with high total electromagnetic shielding efficiency (SET); In this study, FeNi3-NiFe2O4-SiO2 nanoparticles (NPs) were synthesized using one-pot method and decorated on carbon nanotube’s (CNT) sidewall. …”
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  5. 785

    Predicting and synthesizing terahertz spoof surface plasmon polariton devices with a convolutional neural network model by Vahid Najafy, Bijan Abbasi-Arand, Maryam Hesari-Shermeh

    Published 2025-01-01
    “…Abstract With the increasing global attention to deep learning and the advancements made in applying convolutional neural networks in electromagnetics, we have recently witnessed the utilization of deep learning-based networks for predicting the spectrum and electromagnetic properties of structures instead of traditional tools like fully numerical-based methods. …”
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  6. 786

    Microscale insight into the proton concentration during electrolytic reaction via an optical microfiber: potential for microcurrent monitoring by a dielectric probe by Yunyun Huang, Jiaxuan Liang, Haotian Wu, Pengwei Chen, Aoxiang Xiao, Bai-Ou Guan

    Published 2025-02-01
    “…The current measurement techniques rely on electromagnetic materials which inevitably introduce interference to the system under examination. …”
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  7. 787

    Time-Frequency Characteristics and the Influence Mechanism of the EMR from Coal with Different Joint Angles by Hongwei Mu, Dazhao Song, Shan Yin, Xueqiu He, Liming Qiu, Dongfang Su, Yang Liu

    Published 2021-01-01
    “…It is vital to understand the electromagnetic radiation’s time-frequency characteristics in the process of coal and rock failure with different joint angles in order to reveal the generation mechanism of the electromagnetic radiation (EMR) and improve the accuracy of EMR early warning. …”
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  8. 788

    An open source code for modeling radio wave propagation in earth’s ionosphere by Alexander Green, William J. Longley, Meers M. Oppenheim, Matthew A. Young

    Published 2025-02-01
    “…The FDTD method directly solves Maxwell’s equations and captures all features of electromagnetic propagation, including the effects of polarization and finite-bandwidth wave packets. …”
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  9. 789

    Gravitational-wave Dark Siren Cosmology Systematics from Galaxy Weighting by Alexandra G. Hanselman, Aditya Vijaykumar, Maya Fishbach, Daniel E. Holz

    Published 2025-01-01
    “…The detection of GW170817 and the measurement of its redshift from the associated electromagnetic counterpart provided the first gravitational-wave (GW) determination of the Hubble constant ( H _0 ), demonstrating the potential power of standard siren cosmology. …”
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  10. 790

    A Hybrid Retrieval Method for an Ω-Class Bianisotropic Metamaterial Using Scattering Parameter Method by Gokhan Ozturk, Ugur Cem Hasar, Yunus Kaya, Huseyin Korkmaz, Ivaylo Stoyanov

    Published 2025-01-01
    “…Finally, its accuracy is examined by comparing simulated S-parameters with those reconstructed by using extracted electromagnetic parameters. It is observed that our proposed method determines the constitutive parameters with a relatively higher accuracy in a relatively short amount of time.…”
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  11. 791

    Doppler Effect Estimation and Compensation for Satellite Systems in Geolocation Problems by Marcello Asciolla, Angela Cratere, Francesco Dell'Olio

    Published 2025-01-01
    “…In particular, the scenario of interest considers a non-cooperative emitter of electromagnetic waves on the surface of the Earth and a receiver able to perform Angle of Arrival measurements embarked on a satellite in Low Earth Orbit. …”
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  12. 792

    Application of Comprehensive Geophysical Prospecting Method in the Exploration of Coal Mined-Out Areas by Xiao Luo, Shuang Gong, Zhonggang Huo, Hongyan Li, Xinpin Ding

    Published 2019-01-01
    “…And the distribution of mined-out areas and water accumulation in the coal mine are investigated in detail by using the comprehensive geophysical prospecting method of the transient electromagnetic method (TEM) and controlled source audio-frequency magnetotellurics (CSAMT). …”
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  13. 793

    R&D of the EM Calorimeter Energy Calibration with Machine Learning based on the low-level features of the Cluster by Morimasa Suzuna, Iwasaki Masako, Suehara Taikan, Tanaka Junichi, Saito Masahiko, Nagahara Hajime, Nakashima Yuta, Takemura Noriko, Nakano Takashi

    Published 2024-01-01
    “…We have developed an energy calibration method using machine learning for the ILC electromagnetic (EM) calorimeter (ECAL), a sampling calorimeter consisting of Silicon-Tungsten layers. …”
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  14. 794

    Spectral narrowing in the resonance fluorescence of a driven V-type quantum emitter near a two-dimensional plasmonic nanostructure array by Spyridon G. Kosionis, Vassilios Yannopapas, Emmanuel Paspalakis

    Published 2025-01-01
    “…The V-type quantum system is driven by a coherent electromagnetic field whilst quantum interference effects in the spontaneous emission due to the presence of the plasmonic nanostructure are accounted for. …”
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  15. 795

    Optimization of Gain, Impedance, and Bandwidth of Yagi-Uda Array Using Particle Swarm Optimization by Munish Rattan, Manjeet Singh Patterh, B. S. Sohi

    Published 2008-01-01
    “…Particle swarm optimization (PSO) is a new, high-performance evolutionary technique, which has recently been used for optimization problems in antennas and electromagnetics. It is a global optimization technique-like genetic algorithm (GA) but has less computational cost compared to GA. …”
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  16. 796

    Influence of Surface Morphology on Absorptivity of Light-Absorbing Materials by Chunhui Niu, Ting Zhu, Yong Lv

    Published 2019-01-01
    “…., V-type groove surface, sinusoidal surface, and random distribution, is investigated using a rigorous electromagnetic theory and a finite element method. Influences of surface contour parameters (span distance, intersection angle, and height) and light wave parameters (incident angle and wavelength) on absorptivity are numerically simulated and analyzed for the three kinds of surfaces, respectively. …”
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  17. 797

    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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  18. 798

    Active Vibration Control of a Thin Steel Sheet by Yohji Okada, Ken-Ichi Matsuda, Junji Tani

    Published 1995-01-01
    “…This article introduces a noncontact method of active vibration control for reducing the flexural vibrations of a thin steel sheet. The proposed electromagnetic method of control has been implemented in a simple experimental setup where the signal from a motion sensor regulates the attractive force of the magnets that produce a damping force on the steel sheet.…”
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  19. 799

    Fast Far Field Computation of Single and Dual Reflector Antennas by Marcos Arias-Acuña, Antonio García-Pino, Oscar Rubiños-López

    Published 2013-01-01
    “…The physical optics (PO) method has been widely used for the analysis of the electromagnetic behavior of single and dual reflector antennas. …”
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  20. 800

    Three-Dimensional Finite Element Method Modeling for the Improvement of the Design of an Electromechanical Device to Drive a Fan Shaft Balancing System by Marcin Lefik, Michał Krygier, Leszek Podsędkowski

    Published 2024-12-01
    “…The aim of this improvement was to obtain the highest possible value for the electromagnetic torque. A simplified three-dimensional model and the finite element method were used to solve the problem. …”
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