Showing 921 - 940 results of 1,156 for search '"electromagnet"', query time: 0.06s Refine Results
  1. 921

    Real-Time Respiratory Monitoring Using a Sparse-Sampled Frequency-Scanning White-Light Interferometry System by Wenyan Liu, Cheng Qian, Kexin Li, Yiping Wang, Xiaoyan Cai, Qiang Liu

    Published 2025-01-01
    “…Fiber-optic tip sensors offer significant potential in biomedical applications due to their high sensitivity, compact size, and resistance to electromagnetic interference. This study focuses on advancing phase demodulation techniques for ultra-short Fabry–Pérot cavities within limited spectral bandwidths to enhance their application in biomedicine and diagnostics. …”
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  2. 922

    Enhancing the Performance of Vibration Energy Harvesting Based on 2:1:2 Internal Resonance in Magnetically Coupled Oscillators by Shakiba Dowlati, Najib Kacem, Noureddine Bouhaddi

    Published 2024-12-01
    “…An electromagnetic vibration energy harvester with a 2:1:2 internal resonance (IR) is proposed, allowing for the simultaneous activation of two IRs within the system in order to enhance its performance in terms of bandwidth and harvested power. …”
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  3. 923

    Using Multivariate Geostatistics to Assess Patterns of Spatial Dependence of Apparent Soil Electrical Conductivity and Selected Soil Properties by Glécio Machado Siqueira, Jorge Dafonte Dafonte, Montserrat Valcárcel Armesto, Ênio Farias França e Silva

    Published 2014-01-01
    “…The apparent soil electrical conductivity (ECa) was continuously recorded in three successive dates using electromagnetic induction in horizontal (ECa-H) and vertical (ECa-V) dipole modes at a 6 ha plot located in Northwestern Spain. …”
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  4. 924

    Popcorn Effect–inspired Self‐propagating Formation of High‐conductivity Cement Composite for Multifunctional Applications by Haiping Wu, Jiaqi Huang, Zhengyao Qu, Xueling Zheng, Sirui Tan, Wei Du, Guanming Cai, Zhong Zhao, Jing Wu, Daiqi Li

    Published 2025-01-01
    “…The conductive properties endow the material with excellent electrothermal (>100 °C at 10 V), electrothermochromic (response time of 2 s), and electromagnetic interference shielding (42 dB at 12.4 GHz) performance. …”
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  5. 925

    Geometry-symmetry-free and material-symmetry-guaranteed polariton-induced transparency by Xingyu Tang, Huaping Wang, Zhenyang Cui, Sihao Xia, Zhiwei He, Song Han, Hongsheng Chen, Yingjie Wu

    Published 2025-02-01
    “…Summary: Plasmon-induced transparency is a classical analogue of electromagnetically induced transparency (EIT). However, its realization and control primarily rely on geometry engineering rather than tuning plasmon polaritons (PPs) themselves, due to their relatively poor tunability. …”
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  6. 926

    Thermodynamical topology with multiple defect curves for dyonic AdS black holes by Zi-Qing Chen, Shao-Wen Wei

    Published 2024-12-01
    “…Abstract Dyonic black holes with quasitopological electromagnetism exhibit an intriguing phase diagram with two separated first-order coexistence curves. …”
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  7. 927

    Full-space trifunctional metasurface with independent control of amplitude and phase for circularly polarized waves by Li Xi Ming, Zhao Yuan, Lu Ren Pan, Sun Xiao Feng, Yang Zhao, He Hai Dan, Liu Yan Hui, Du Guo Hong

    Published 2024-10-01
    “…Flexible and diverse manipulation of electromagnetic (EM) waves in half space (reflection or transmission) has facilitated strong aspiration toward full-space wave control. …”
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  8. 928

    Photon antibunching in single-molecule vibrational sum-frequency generation by Moradi Kalarde Fatemeh, Ciccarello Francesco, Sánchez Muñoz Carlos, Feist Johannes, Galland Christophe

    Published 2025-01-01
    “…Sum-frequency generation (SFG) enables the coherent upconversion of electromagnetic signals and plays a significant role in mid-infrared vibrational spectroscopy for molecular analysis. …”
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    Article
  9. 929

    A Review of UWB Radar Detection of Respiration and Heartbeat Signals in Different Scenarios by Xuezhao ZHENG, Wen DING, Yuan HUANG, Guobin CAI, Yang MA, Shengkai LIU, Bo ZHOU

    Published 2025-02-01
    “…Therefore, this paper introduces a UWB radar and its classification, electromagnetic scattering mechanisms, and detection principles. …”
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  10. 930

    Cognitive Scout Node for Communication in Disaster Scenarios by Rajesh K. Sharma, Anastasia Lavrenko, Dirk Kolb, Reiner S. Thomä

    Published 2012-01-01
    “…This node should have two components: one is a passive sensor unit that collects and stores the technical knowledge about the electromagnetic environment in a data processing unit so-called “radio environment map” in the form of a dynamically updated database, and other is an active transceiver unit which can automatically be configured either as a secondary node for opportunistic communication or as a cooperative base station or access point for primary network in emergency communications. …”
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  11. 931

    Multifocal Breast Cancer in Young Women with Prolonged Contact between Their Breasts and Their Cellular Phones by John G. West, Nimmi S. Kapoor, Shu-Yuan Liao, June W. Chen, Lisa Bailey, Robert A. Nagourney

    Published 2013-01-01
    “…We report a case series of four young women—ages from 21 to 39—with multifocal invasive breast cancer that raises the concern of a possible association with nonionizing radiation of electromagnetic field exposures from cellular phones. …”
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  12. 932

    Amplifying and Reversing the Chiral Bias in Asymmetric Photo‐Polymerization Reaction by Dingdong Liu, Xiangxiang Xu, Zeyu Feng, Chutian Zhang, Jialei Li, Yifan Xie, Jingguo Li, Hongli Zhang, Gang Zou

    Published 2025-02-01
    “…Nonetheless, little is known about how the spin angular momentum of light competes with the chiral electromagnetic field in the vicinity of a chiral nanoparticle during the chiral induction and amplification process. …”
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  13. 933

    Routing Protocol for Intelligent Unmanned Cluster Network Based on Node Energy Consumption and Mobility Optimization by He Dong, Baoguo Yu, Wanqing Wu

    Published 2025-01-01
    “…Nevertheless, due to factors such as multipath propagation, electromagnetic interference, and frequency band congestion in high dynamic scenarios, unmanned cluster networks experience frequent topology changes and severe spectrum limitations, which hinder the provision of connected, elastic and autonomous network support for data interaction among unmanned aerial vehicle (UAV) nodes. …”
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  14. 934

    A comprehensive numerical study exploring the significance of thermally reactive bioconvection in Falkner-Skan flow of Williamson nanomaterials influenced by activation energy and... by M. Israr Ur Rehman, Haibo Chen, Aamir Hamid, Wu Qian, Refka Ghodhbani, Mohamed Hussien

    Published 2025-02-01
    “…Heat and mass transport performance is greatly improved in a variety of industrial, engineering, and technological applications by the advanced thermal properties of nanomaterials, which are enhanced by chemical reactions, nonlinear thermal radiation, nonuniform heat sources/sinks, Arrhenius kinetic energy, and induced electromagnetic forces. The analysis is further improved by adding thermophoretic diffusion and Brownian motion to the energy and concentration equations Bio-fuels, enzymes, industry, bio-sensors, petroleum, and a number of other novel biotechnological features are also influenced by the bioconvective mechanisms in nanomaterials. …”
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  15. 935

    СONSTRUCTION AND THE ALGORITHM OPERATION OF THE LASER COMBINED FIRE DETECTOR by A. I. Kitsak, A. P. Lushchyk, D. L. Esipovich, V. N. Konon, I. V. Kavalchyk, O. A. Protasevich, I. B. Tretyak

    Published 2017-02-01
    “…The urgent task for this type of detector is to increase its sensitivity to «black» smoke and ensure resilience to the effects of electromagnetic interference and particle smoke origin.The objective of this work is to develop a structure and algorithm of point combined fire detector that provides high sensitivity to various types of fumes, detection rate and high noise immunity. …”
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  16. 936

    Perturbations of Dipole Decay Dynamics Induced by Plasmonic Nano-antennas – A Study within the Discrete Dipole Approximation by Stefania D'Agostino, Fabio Della Sala, Lucio Claudio Andreani

    Published 2015-04-01
    “…Field localization and enhancement induce strong changes on the decay dynamics of dipoles located in the perturbed electromagnetic environment, and these can be faithfully quantified within the framework of classical electromag‐ netism in terms of total, radiative and non-radiative decay rates. …”
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  17. 937

    Radiation-Enhancement Properties of an X-Band Woodpile EBG and Its Application to a Planar Antenna by Fabrizio Frezza, Lara Pajewski, Emanuele Piuzzi, Cristina Ponti, Giuseppe Schettini

    Published 2014-01-01
    “…A woodpile Electromagnetic Bandgap (EBG) material has been designed, by using an in-house code that implements the Fourier Modal Method (FMM). …”
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  18. 938

    A Compact Vivaldi Shaped Partially Dielectric Loaded TEM Horn Antenna for UWB Communication by Mustafa İlarslan, A. Serdar Türk, Salih Demirel, M. Emre Aydemir, A. Kenan Keskin

    Published 2014-01-01
    “…The simulations are performed by using the CST STUDIO SUITE electromagnetic (EM) simulation software and they are later verified by the actual measurements. …”
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  19. 939

    Optimal Pattern Synthesis of Linear Array and Broadband Design of Whip Antenna Using Grasshopper Optimization Algorithm by Hengfeng Wang, Chao Liu, Huaning Wu, Bin Li, Xu Xie

    Published 2020-01-01
    “…A new natural heuristic algorithm simulating social behavior of grasshoppers, grasshopper optimization algorithm (GOA), is applied to electromagnetic field as a new effective technology to solve the antenna optimization problem for the first time. …”
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  20. 940

    Vortical waves in a quantum fluid with vector, axial and helical charges. II. Dissipative effects by Sergio Morales-Tejera, Victor E. Ambruş, Maxim N. Chernodub

    Published 2025-01-01
    “…We will discuss separately a QED-like plasma, in which we ignore background electromagnetic fields and thus the axial charge is approximately conserved, as well as a QCD-like plasma, where instanton effects lead to the violation of the axial charge conservation, even in the absence of background chromomagnetic fields. …”
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