Showing 781 - 800 results of 1,540 for search '"electromagnetic"', query time: 0.05s Refine Results
  1. 781

    Terahertz joint communication and sensing waveform:status and prospect by Zhiqing WEI, Zhiyong FENG, Yiheng LI, Hao MA, Jinzhu JIA

    Published 2022-01-01
    “…To meet the requirements of machine communication and immersive service in the 6G era for high precision perception and high speed communication, communication perception integration technology emerges at the right moment.Based on this, the scenarios, waveform design methods and future prospects of terahertz communication perception integrated waveform were described and summarized.First of all, the scenarios and requirements of terahertz integrated waveform design were summarized, including perception-assisted communication scenarios, new business scenarios generated by perception, etc.Then, from the propagation characteristics of terahertz electromagnetic wave, the characteristics of terahertz devices, and the requirements of communication and perception on waveform, the characteristics of terahertz communication and perception integrated waveform were analyzed, and the research status of terahertz communication integrated waveform was summarized.Finally, the future research direction of terahertz synesthesia integrated waveform was pointed out.…”
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  2. 782

    Matching and positivity beyond minimal coupling in effective theories of photons and gravitons by Edoardo Alviani, Adam Falkowski

    Published 2025-02-01
    “…The matter is allowed to have non-minimal electromagnetic and gravitational interactions. We construct the one-loop 4-photon and 4-graviton helicity amplitudes with matter in the loop carrying anomalous multipole moments, and we read off the Wilson coefficients in the effective theory below the matter particle mass. …”
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  3. 783

    Analytical Method and Semianalytical Method for Analysis of Scattering by Anisotropic Sphere: A Review by Chao Wan, Hongning Li

    Published 2012-01-01
    “…The history of methods for the electromagnetic scattering by an anisotropic sphere has been reviewed. …”
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    Article
  4. 784

    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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    Article
  5. 785

    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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  6. 786

    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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  7. 787

    A Novel Hybrid Analytic-Numerical Algorithm for Scattering from a 3-D Coated Target above a PEC Rough Surface by Hong-Jie He, Ya Zhang

    Published 2024-01-01
    “…Some numerical results are provided to study the electromagnetic scattering characteristics from a coated sphere above a Gaussian rough surface.…”
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  8. 788

    Design, Simulation, and Optimization of Polarization-Independent Four-Port Optical Waveguide Circulator Based on a Ferrite Material by Babak Hashemi, Amir Hamid Alizadeh

    Published 2022-01-01
    “…Usually, the magnetic material in the center of the circulator conducts light by interacting with the electromagnetic wave. In this research, a polarization-independent four-port optical waveguide circulator with the presence of a rhombus-shaped ferrimagnetic material has been designed, simulated, and optimized in the three-dimensional part of Comsol software. …”
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  9. 789

    Glass Superstrate Nanoantennas for Infrared Energy Harvesting Applications by Isa Kocakarin, Korkut Yegin

    Published 2013-01-01
    “…According to our FOM definition, the Archimedean balanced spiral antenna exhibited superior performance among other structures with less sensitivity to the incoming polarization of the electromagnetic wave.…”
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  10. 790

    Subwavelength Plasmonic Waveguides and Plasmonic Materials by Ruoxi Yang, Zhaolin Lu

    Published 2012-01-01
    “…The oscillation of free electrons, when properly driven by electromagnetic waves, would form plasmon-polaritons in the vicinity of metal surfaces and potentially result in extreme light confinement. …”
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  11. 791

    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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  12. 792
  13. 793

    Rigorous Solution to Plane Wave Scattering by an Arbitrary-Shaped Particle Embedded into a Cylindrical Cell of Similar Material by Constantine A. Valagiannopoulos

    Published 2009-01-01
    “…An infinite cylinder of arbitrary shape is embedded into a circular one, and the whole structure is illuminated by a plane wave. The electromagnetic scattering problem is solved rigorously under the condition that the materials of the two cylinders possess similar characteristics. …”
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  14. 794

    Application of Temperature-Dependent Fluorescent Dyes to the Measurement of Millimeter Wave Absorption in Water Applied to Biomedical Experiments by Nataliia Kuzkova, Oleksandr Popenko, Andrey Yakunov

    Published 2014-01-01
    “…Temperature sensitivity of the fluorescence intensity of the organic dyes solutions was used for noncontact measurement of the electromagnetic millimeter wave absorption in water. By using two different dyes with opposite temperature effects, local temperature increase in the capillary that is placed inside a rectangular waveguide in which millimeter waves propagate was defined. …”
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  15. 795

    A Compact Low-Permittivity Dual-Layer EBG Structure for Mutual Coupling Reduction by A. Azarbar, J. Ghalibafan

    Published 2011-01-01
    “…Electromagnetic bandgap (EBG) structures can help in the reduction of mutual coupling by their capabilities of suppressing surface wave's propagation in a specific frequency range. …”
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  16. 796

    Stochastic bridge approach for generating correlated time series and its applications by HU Luo-quan, ZHU Hong-bo

    Published 2006-01-01
    “…According to the propagation properties of electromagnetic wave in wireless channels, correlated time series generated by stochastic bridge processes were proposed. …”
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  17. 797

    The Exact Absorbing Conditions Method in the Analysis of Open Electrodynamic Structures: Circular and Coaxial Waveguides by Seil S. Sautbekov, Yuriy K. Sirenko, Lyudmyla G. Velychko, Alexey A. Vertiy

    Published 2014-01-01
    “…The exact absorbing conditions (EAC) have been constructed and used for truncating an unbounded domain of computation in open initial boundary value problems, which describe space-time transformations of electromagnetic waves in axially symmetrical waveguides. …”
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  18. 798

    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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  19. 799

    Determination of Gear Bending Fatigue Limit based on Up and Down Method by Yang Guangming

    Published 2015-01-01
    “…The test method of pulse load in single-tooth and the group method is used in the experiment and the bending fatigue strength test of gear tooth at 5classes of constant stress levels is carried out on the electromagnetic resonance testing machine. By applying planar section method and broken- line section method,the root stress of gear teeth under different load levers is calculated. …”
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  20. 800

    Quantum Radiation Properties of General Nonstationary Black Hole by T. Ibungochouba Singh

    Published 2017-01-01
    “…Using the generalized tortoise coordinate transformations the quantum radiation properties of Klein-Gordon scalar particles, Maxwell’s electromagnetic field equations, and Dirac equations are investigated in general nonstationary black hole. …”
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