Showing 1,261 - 1,280 results of 1,540 for search '"electromagnetic"', query time: 0.07s Refine Results
  1. 1261

    A multi-band dual-layer encoded microwave absorber with angle selectivity by Senfeng Lai, Jingyi Luo, Junxian Tan, Huiyuan Fu

    Published 2025-03-01
    “…The experimental results showed that the absorber demonstrated selective absorption exceeding 90 % for various angles of incidence and frequencies; specifically, it achieved over 99 % absorption only at 2 GHz at an oblique incidence angle of 60°, and over 90 % absorption only at 18 GHz at an incidence angle of 30°.This microwave absorber, capable of achieving 99 % absorption at specific angles and frequencies, showcases significant value in multiple areas such as electromagnetic compatibility, signal integrity, military applications, and communication fields.…”
    Get full text
    Article
  2. 1262

    Fluid and thermal effect on temperature-dependent power increase of electric vehicle's permanent magnet synchronous motor using compound water cooling method by Zichao Zhang, Qiang Song, Bilal Ahmed, Yuecheng Han

    Published 2025-01-01
    “…Temperature-dependent material properties were taken into consideration in electromagnetic finite element analysis (FEA). The models were modified and validated by experiments. …”
    Get full text
    Article
  3. 1263

    SERS-based quantitative vertical flow assay using dual Au-Ag SERS nanoprobes by Jinhyeok Jeon, Ji-In Park, Chulhyun Lee

    Published 2025-01-01
    “…For the preparation of SERS nanoprobes, we made use of the gold-silver/core–shell metal nanostructures for the local electromagnetic-field enhancement effect, and the Raman signal could be improved. …”
    Get full text
    Article
  4. 1264

    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. …”
    Get full text
    Article
  5. 1265

    Articulatory-to-Acoustic Conversion Using BiLSTM-CNN Word-Attention-Based Method by Guofeng Ren, Guicheng Shao, Jianmei Fu

    Published 2020-01-01
    “…In this paper, we used the electromagnetic articulography (EMA) database designed by Taiyuan University of Technology, which contains ten speakers’ 299 disyllables and sentences of Mandarin, and extracted 8-dimensional articulatory features and 1-dimensional semantic feature relying on the word-attention layer; we then trained 200 samples and tested 99 samples for the articulatory-to-acoustic conversion. …”
    Get full text
    Article
  6. 1266

    Investigation on Deicing Property of Steel Wool Fiber-Reinforced Asphalt Mixture by Induction Heating by Fa Yang, Kehong Li, Rui Xiong, Bowen Guan, Hua Zhao

    Published 2020-01-01
    “…The steel wool fiber asphalt mixture heated by electromagnetic induction obtains satisfactory result. …”
    Get full text
    Article
  7. 1267

    Structure and Properties of Multiwall Carbon Nanotubes/Polystyrene Composites Prepared via Coagulation Precipitation Technique by I. N. Mazov, V. L. Kuznetsov, D. V. Krasnikov, N. A. Rudina, A. I. Romanenko, O. B. Anikeeva, V. I. Suslyaev, E. Yu. Korovin, V. A. Zhuravlev

    Published 2011-01-01
    “….%, mainly due to the insulating polymer layer deposited on the surface of nanotubes. Electromagnetic response of prepared materials was investigated in broadband region (0.01–4 and 26–36 GHz). …”
    Get full text
    Article
  8. 1268

    Reflection of circularly polarized light from a CdS semiconductor crystal near the exciton resonance taking into account spatial dispersion by Valeriy V. Yatsyshen, Irina I. Borodina

    Published 2024-12-01
    “…The study of materials using polarized radiation allows one to obtain additional information about the properties of the material due to the vector nature of the electromagnetic field. In this regard, the most widely used method is the ellipsometric method for analyzing the optical properties of materials. …”
    Get full text
    Article
  9. 1269
  10. 1270

    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. …”
    Get full text
    Article
  11. 1271

    On-site quantitative detection of fentanyl in heroin by machine learning-enabled SERS on super absorbing metasurfaces by Yingkun Zhu, Haomin Song, Ruiying Liu, Yunyun Mu, Murali Gedda, Abdullah N. Alodhay, Lei Ying, Qiaoqiang Gan

    Published 2025-02-01
    “…This architecture facilitates significant electromagnetic field enhancement, over 2.19 × 107, ensuring high sensitivity, uniformity, and reproducibility. …”
    Get full text
    Article
  12. 1272

    Compact wearable microstrip antenna design using hybrid quasi-Newton and Taguchi optimization by Archana Tiwari, Aleefia A. Khurshid, Kanhaiya Sharma

    Published 2025-01-01
    “…By implementing the proposed hybrid approach, computational time is significantly reduced by 98%, outperforming electromagnetic (EM) solvers’ built-in optimization.…”
    Get full text
    Article
  13. 1273

    DESIGN ANALYSIS OF A LOW-COST PARABOLIC ANTENNA FOR DEVELOPING NATION by FRANK ONAIFO, ALEXANDER AKPOFURE OKANDEJI, FISAYO IDOWU, OMOWUMMI GRACE OLASUNKANMI, OLAWALE OLALUWOYE, OLAOLU FOLORUNSHO

    Published 2020-01-01
    “…They are coated with a thin film of aluminum dust to enhance reflectivity since electromagnetic radiations do not travel deep in a conductor. …”
    Get full text
    Article
  14. 1274

    Doubly Fed Induction Machine Models for Integration into Grid Management Software for Improved Post Fault Response Calculation Accuracy—A Short Review by Andrija Mitrovic, Luka Strezoski, Kenneth A. Loparo

    Published 2025-01-01
    “…During faults, voltage drops at the stator terminals lead to elevated voltages and currents on the rotor side due to electromagnetic coupling between stator and rotor, potentially damaging rotor insulation and costly power electronics. …”
    Get full text
    Article
  15. 1275

    A Space-Vector Analysis of the Twelve-Pulse Diode Bridge Rectifier Operation for the Auxiliary Circuit Current Determination Providing the Optimal Line Currents’ THD by Jaroslaw Rolek, Grzegorz Utrata

    Published 2024-12-01
    “…Three-phase diode bridge rectifiers are widely employed in various industrial applications because of their inherent simplicity, robustness, low electromagnetic interference and good overall performance. …”
    Get full text
    Article
  16. 1276

    Partial Discharge Detection from Large Motor Stator Slots Using EFPI Sensors by Jinlong Wang, Weizhong Sun, Jun Zhou, Lei Wang, Lianfei Chen, Pengcheng Chen, Qichao Chen, Weichao Zhang

    Published 2025-01-01
    “…This study addresses the challenges of electromagnetic interference and unstable signal transmission encountered by traditional sensors in detecting partial discharge (PD) within stator slots of large motors. …”
    Get full text
    Article
  17. 1277

    THz Scattering and Tunable Plasmonic Resonances from Graphene-Coated Gold Nanowires by Faroq Razzaz, M. N. Akram, M. Z. Yaqoob

    Published 2024-01-01
    “…The Jacobi–Anger expansion method has been adopted for the transformation of electromagnetic fields in terms of series of cylindrical waves and has been modeled in terms of cylindrical vector wave functions (CVWFs). …”
    Get full text
    Article
  18. 1278

    Collective coupling of driven multilevel atoms and its effect on four-wave mixing by P. Yanes-Thomas, R. Gutiérrez-Jáuregui, P. Barberis-Blostein, D. Sahagún-Sánchez, R. Jáuregui, A. Kunold

    Published 2025-01-01
    “…In this work, we present a systematic analysis of the cooperative effects arising in driven systems composed of multilevel atoms coupled via a common electromagnetic environment. The analysis is based on an interplay between dressed states induced by the driving field and photon exchanges, and collective decay channels. …”
    Get full text
    Article
  19. 1279

    Discretized Impedance-Based Modeling of Converter-Interfaced Energy Resources for State-Variable-Based Real-Time EMT Simulators by Taleb Vahabzadeh, Seyyedmilad Ebrahimi, Juri Jatskevich

    Published 2025-01-01
    “…Design, analysis, and reliable operation of such systems require extensive offline and real-time electromagnetic transient (EMT) simulations. This paper proposes discretized impedance-based modeling (DIBM) of VSCs for efficient time-domain transient analysis in state-variable (SV)-based EMT simulators. …”
    Get full text
    Article
  20. 1280

    A Miniaturized and High Optically Transparent Frequency Selective Surface for RF Shielding Using Double-Glazed Glass Windows for Green Building Applications by Muhammad Nasir, Slawomir Koziel, Adnan Iftikhar

    Published 2025-01-01
    “…The dimensions of FSS unit cell (UC) are optimized to <inline-formula> <tex-math notation="LaTeX">$0.0714\lambda _{0}\times 0.07146\lambda _{0}$ </tex-math></inline-formula>, where <inline-formula> <tex-math notation="LaTeX">$\lambda _{0}$ </tex-math></inline-formula> is the wavelength at 2.1 GHz resonant frequency. Full-wave electromagnetic (EM) simulations, equivalent circuit modeling (ECM), and experimental testing are performed to validate the FSS performance. …”
    Get full text
    Article