Showing 761 - 780 results of 1,540 for search '"electromagnet"', query time: 0.06s Refine Results
  1. 761
  2. 762

    Retracted: Design and Performance Evaluation of OAM-Antennas: A Comparative Review by Omar A. Saraereh

    Published 2023-01-01
    “…When propagating, the vortex electromagnetic wave has a spiral phase wavefront structure, and its many OAM modes are orthogonal to one another. …”
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    Article
  3. 763

    Histopathologic effects of mobile phone radiation exposure on the testes and sperm parameters: a systematic literature review of animal studies by Ebrahim Msaye Assefa, Seid Mohammed Abdu

    Published 2025-01-01
    “…IntroductionMale infertility, often attributed to insufficient production of healthy and active sperm, can be exacerbated by electromagnetic radiation emitted from mobile phones, which disrupts normal spermatogenesis and leads to a notable decline in sperm quality. …”
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  4. 764

    Technique of Coaxial Frame in Reflection for the Characterization of Single and Multilayer Materials with Correction of Air Gap by Zarral Lamia, Djahli Farid, Ndagijimana Fabien

    Published 2014-01-01
    “…We have described the structure of the test fixture, its calibration issues, and the experimental results. Finally, electromagnetism simulations showed that the best results can be obtained.…”
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  5. 765
  6. 766

    Bayesian Compressive Sensing as Applied to Directions-of-Arrival Estimation in Planar Arrays by Matteo Carlin, Paolo Rocca, Giacomo Oliveri, Andrea Massa

    Published 2013-01-01
    “…The Bayesian compressive sensing (BCS) is applied to estimate the directions of arrival (DoAs) of narrow-band electromagnetic signals impinging on planar antenna arrangements. …”
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    Article
  7. 767

    Resolving the generation mechanisms and electrodynamical effects of Medium Scale Traveling Ionospheric Disturbances (MSTIDs) by Jeff Klenzing, Kate Zawdie, Elvira Astafyeva, Anna Belehaki, Meghan Burleigh, Angeline G. Burrell, Cosme A. O. B. Figueiredo, Nathaniel A. Frissell, Weizheng Fu, Dustin Hickey, Joe Huba, Pavel Inchin, Stephen R. Kaeppler, Viswanathan Lakshmi Narayanan, Mani Sivankandan, Jonathon M. Smith, Jonathon M. Smith, Chao Xiong, Tatsuhiro Yokoyama, Matt Zettergren, Shun-Rong Zhang

    Published 2025-02-01
    “…This includes multiple generation mechanisms, including ion-neutral collisions, plasma instabilities, and electromagnetic forcing. Observational limitations can impede characterization and identification of MSTID generation mechanisms. …”
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  8. 768

    Continuous underground observation of the geomagnetic field in Xuzhou City, North China, and its time-varying characteristics by Mei Han, Mei Han, Lianghui Guo, Lianghui Guo, Lianghui Guo, Yun Wang, Yun Wang, Xiang Wang, Xiang Wang

    Published 2025-01-01
    “…Underground space in Xuzhou City, North China, has become a favorable site for continuous geomagnetic observation to reveal geomagnetic-field variations and to monitor seismic activity due to its distinct advantage of an “ultra-quiet” and “ultra-clean” environment with low electromagnetic interference. In order to evaluate the underground electromagnetic environment at the Longdong coal mine area (LCMA) in Xuzhou City and establish an underground geomagnetic observatory, we conducted a pilot experiment of continuous geomagnetic observations synchronously underground and on the ground during May 2023. …”
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  9. 769

    Rigorous 2D Model for Study of Pulsed and Monochromatic Waves Propagation Near the Earth’s Surface by Seil S. Sautbekov, Yuriy K. Sirenko, Nataliya P. Yashina, Aleksey A. Vertiy

    Published 2014-01-01
    “…A model problem considered in the paper allows solving rather complex 2D problems of the electromagnetic wave propagation with a required accuracy using conventional personal computers. …”
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  10. 770

    Development of rotor flux control laws for high-speed asynchronous electric drive by M. V. Glazyrin, I. A. Aleinikov

    Published 2019-04-01
    “…Marked and mathematically taken into account factors limiting the magnitude of the motive electromagnetic moment of an asynchronous electric drive in the entire range of values of shaft speed. …”
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  11. 771

    Magnetic field strength gradiometer by R. A. Akhmedzhanov, A. I. Cheredov, A. V. Shchelkanov

    Published 2021-09-01
    “…Most methods of measuring magnetic field parameters are based on force (energy) interaction of magnetic field with macro- or microscopic currents and electromagnetic induction. The paper considers the possibility of constructing a magnetic field strength gradient meter based on the absolute helical instability of electron-hole plasma of a semiconductor sample. …”
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  12. 772

    CHOOSING OF OPERATING FREQUENCY OF EDDY CURRENT THICKNESS METER WITH SUPERIMPOSED TRANSDUCER by A. V. Chernyshev

    Published 2015-03-01
    “…It is shown that when using eddy current thickness meter with superimposed transducer the maximal thickness of the conductive sheets or conductive surface layers of a two-layer wares, which may be controlled with selected frequency of excitation current of the transducer, can be estimated based on the magnitude of the penetration depth of a plane electromagnetic wave in the half-space, the specific electrical conductivity and the relative magnetic permeability of which is equal to the values of these parameters in a controlled surface layer or sheet of two-layer ware.…”
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  13. 773

    EBG Size Reduction for Low Permittivity Substrates by Gonzalo Expósito-Domínguez, José Manuel Fernández-González, Pablo Padilla, Manuel Sierra-Castañer

    Published 2012-01-01
    “…Double layer and edge-location via techniques are combined for electromagnetic band gap (EBG) size reduction. The study of the required number of elements and their dimensions is carried out in order to suppress the surface wave propagation modes and consequently to reduce the mutual coupling between radiating elements in low-permittivity substrates. …”
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  14. 774

    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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  15. 775

    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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  16. 776

    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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  17. 777

    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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  18. 778

    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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  19. 779

    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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  20. 780

    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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