Showing 1,321 - 1,340 results of 1,540 for search '"electromagnetism"', query time: 0.05s Refine Results
  1. 1321

    Optimized measurement methods and systems for the dielectric properties of active biological tissues in the 10Hz-100 MHz frequency range by Yueying Shi, Xiaoxiao Bai, Jingrong Yang, Xinyu Wu, Lei Wang

    Published 2025-01-01
    “…Accurately understanding the dielectric properties of active human tissues holds significant value for disease diagnosis and electromagnetic protection. However, accurately measuring these properties has been challenging due to factors such as electrode polarization and distribution parameters. …”
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    Article
  2. 1322

    Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs by Yang Li, Yang Sun, Jiayang Wu, Guanghui Ren, Xingyuan Xu, Bill Corcoran, Sai Tak Chu, Brent E. Little, Roberto Morandotti, Arnan Mitchell, David J. Moss

    Published 2025-01-01
    “…When implemented using microwave photonic (MWP) technologies, also known as MWP transversal filters, they provide competitive advantages over their electrical counterparts, such as large operation bandwidth, strong immunity to electromagnetic interference, and low loss when processing signals at high frequencies. …”
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    Article
  3. 1323

    Bottom-Up Abstract Modelling of Optical Networks-on-Chip: From Physical to Architectural Layer by Alberto Parini, Luca Ramini, Fabio Lanzoni, Gaetano Bellanca, Davide Bertozzi

    Published 2012-01-01
    “…The inherent modularity and scalability of the S-matrix formalism are preserved inside SystemC, thus allowing the incremental composition and successive characterization of complex topologies typically out of reach for full-vectorial electromagnetic simulators. The consistency of the outlined approach is verified, in the first instance, by performing a SystemC analysis of a four-input, four-output ports switch and making a comparison with the results of 2D-FDTD simulations of the same device. …”
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    Article
  4. 1324

    Exploring the role of electrode density in capturing spatiotemporal dynamics of resting-state networks with EEG by Matheus Mangini Bertuzzo, Rodrigo P Rocha, Ricardo Spyrídes Boabaid Pimentel Gonçalves, Adair Roberto Soares Dos Santos, Odival Cezar Gasparotto

    Published 2025-01-01
    “…Using exact low-resolution electromagnetic tomography, we estimated the cortical current density in regions of interest linked to resting state networks. …”
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    Article
  5. 1325

    High‐dimensional Bayesian optimization for metamaterial design by Zhichao Tian, Yang Yang, Sui Zhou, Tian Zhou, Ke Deng, Chunlin Ji, Yejun He, Jun S. Liu

    Published 2024-12-01
    “…We applied the proposed method for the design of electromagnetic metamaterial microstructures. Experimental results show that we achieve a significantly high probability of finding the ground‐truth topology types and their geometric parameters, leading to high accuracy in matching the design target. …”
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    Article
  6. 1326

    Compact MIMO Microstrip Antennas for USB Dongle Operating in 2.5–2.7 GHz Frequency Band by Vladimir Ssorin, Alexey Artemenko, Alexander Maltsev, Alexey Sevastyanov, Roman Maslennikov

    Published 2012-01-01
    “…Experimental measurements of the fabricated antenna systems proved the characteristics obtained from electromagnetic simulation.…”
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    Article
  7. 1327

    Enhancing Adversarial Transferability With Intermediate Layer Feature Attack on Synthetic Aperture Radar Images by Xuanshen Wan, Wei Liu, Chaoyang Niu, Wanjie Lu, Yuanli Li

    Published 2025-01-01
    “…To address this problem, this study proposes an intermediate layer feature attack algorithm that does not rely on training data for the adversary model. Electromagnetic simulation is used to obtain the simulated SAR local data domain during the training stage. …”
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    Article
  8. 1328

    Chiral exceptional point enhanced active tuning and nonreciprocity in micro-resonators by Hwaseob Lee, Lorry Chang, Ali Kecebas, Dun Mao, Yahui Xiao, Tiantian Li, Andrea Alù, Sahin K. Özdemir, Tingyi Gu

    Published 2025-01-01
    “…Such wafer-scale nano-manufacturing of chiral electro-optic modulators and the chiral EP-tailored tunning may facilitate new micro-resonator functionalities in quantum information processing, electromagnetic wave control, and optical interconnects.…”
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    Article
  9. 1329

    EBG Based Microstrip Patch Antenna for Brain Tumor Detection via Scattering Parameters in Microwave Imaging System by Reefat Inum, Md. Masud Rana, Kamrun Nahar Shushama, Md. Anwarul Quader

    Published 2018-01-01
    “…A compact and efficient microstrip patch antenna is used in the imaging technique to transmit equivalent signal and receive backscattering signal from the stratified human head model. Electromagnetic band gap (EBG) structure is incorporated on the antenna ground plane to enhance the performance. …”
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    Article
  10. 1330

    State-of-the-Art Detection and Diagnosis Methods for Rolling Bearing Defects: A Comprehensive Review by Bojun Sun, Zixin Sheng, Peng Song, Huilin Sun, Fei Wang, Xiaogang Sun, Junyan Liu

    Published 2025-01-01
    “…It discusses methods based on vibration analysis, acoustic methods, current-based methods, electromagnetic methods, infrared methods, radiographic methods, visual methods, and intelligent detection methods. …”
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    Article
  11. 1331

    Aggregate data‐driven dynamic modeling of active distribution networks with DERs for voltage stability studies by Sunil Subedi, Jesus D. Vasquez‐Plaza, Fabio Andrade, Hossein Moradi Rekabdarkolaee, Robert Fourney, Reinaldo Tonkoski, Timothy M. Hansen

    Published 2024-10-01
    “…Despite advances in computational capabilities, electromagnetic transient models are limited in scalability because of their reliance on exact data about the distribution system and each of its components. …”
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    Article
  12. 1332

    Detailed Nonlinear Modeling and High-Fidelity Parallel Simulation of MMC With Embedded Energy Storage for Wind Farm Grid Integration by Bingrong Shang, Ning Lin, Venkata Dinavahi

    Published 2024-01-01
    “…Constant power is oriented in the inverter control by incorporating a DC-DC converter with EES into its submodules. High-fidelity electromagnetic transient modeling is conducted for insights into converter control and energy management. …”
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    Article
  13. 1333

    A novel cellulose-derived graphite carbon with abundant defects for excellent environmental adaptability and superior wideband microwave absorbents by Guangguang Guan, Jiebai Li, Xiaoqiang Li, Jun Xiang, Yangtao Zhou

    Published 2025-03-01
    “…It is still an enormous challenge to regulate microstructure of pure carbonaceous electromagnetic (EM) wave absorbents in order to gain superior wideband microwave absorption (MA) with environmentally adaptive ability. …”
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    Article
  14. 1334

    Delay of Near-relativistic Electrons with Respect to Type III Radio Bursts throughout the Inner Heliosphere by J. G. Mitchell, E. R. Christian, G. A. de Nolfo, C. M. S. Cohen, M. E. Hill, A. Kouloumvakos, A. W. Labrador, R. A. Leske, D. J. McComas, R. L. McNutt Jr., D. G. Mitchell, M. Shen, N. A. Schwadron, M. E. Wiedenbeck, S. D. Bale, M. Pulupa

    Published 2025-01-01
    “…Energetic electrons accelerated by solar eruptive events are frequently observed to have inferred injection times that appear significantly delayed with respect to electromagnetic emission including type III radio bursts. …”
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    Article
  15. 1335

    Joint Active/Passive Beamforming Optimization via RWMMSE and Gradient Projection for Downlink IRS-Aided MU-MISO Systems by Seraphin F. Kimaryo, Eduard E. Bahingayi, Kyungchun Lee

    Published 2025-01-01
    “…Metamaterials are significantly advancing the way we wirelessly transmit electromagnetic signals between communicating devices. …”
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    Article
  16. 1336

    EM Wave-Based Hand Gesture Recognition for Astronauts Using 3D Memristive Neural Network by Shilpa Pavithran, Sruthi Pallathuvalappil, Elizabeth George, Javed G S, Alex James

    Published 2025-01-01
    “…In this paper, to automatically recognize the hand gestures, the classification of electromagnetic (EM) waves from a patch antenna placed on the hand of an astronaut is performed using a three-dimensional memristive Artificial Neural Network (3D-ANN). …”
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    Article
  17. 1337

    Dynamics of Photoinduced Charge Carrier and Photothermal Effect in Pulse-Illuminated Narrow Gap and Moderate Doped Semiconductors by Slobodanka Galovic, Katarina Djordjevic, Milica Dragas, Dejan Milicevic, Edin Suljovrujic

    Published 2025-01-01
    “…When a sample of semiconducting material is illuminated by monochromatic light, in which the photon energy is higher than the energy gap of the semiconductor, part of the absorbed electromagnetic energy is spent on the generation of pairs of quasi-free charge carriers that are bound by Coulomb attraction. …”
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    Article
  18. 1338

    Design and experimental research of pipeline stress measurement system based on alternating current field by Guangfeng QI, Xiyan LI, Xin TANG, Xin'an YUAN, Qing HAN, Anquan WANG, Wei LI, Keyu WANG

    Published 2023-10-01
    “…The simulation and test results demonstrate that the selected characteristic signal could reflect the stress distortion because the stress distortion of pipeline causes the disturbance in electromagnetic field. The optimal excitation direction of the probe is perpendicular to the stress, and the designed portable ACSM based pipeline stress measurement system has been verified to be capable of detecting the stress distortion area of the pipeline. …”
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    Article
  19. 1339

    Plasma-polymerized fluorocarbon Ag–Cu nanocomposites: Nanostructure optimization for superior SERS sensitivity by Joonhyuk Lee, Sung Hyun Kim, Seok-Kyun Son, Sang-Jin Lee

    Published 2025-01-01
    “…This enhancement relies on the presence of Raman-active molecules on suitable nanostructures, where local surface plasmon resonance creates electromagnetic hotspots. This paper proposes a method to finely control the distribution of Ag and Cu nanoparticles within a plasma–polymer–fluorocarbon (PPFC) thin film by adjusting the sputtering power density to improve SERS performance. …”
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    Article
  20. 1340

    Comparative Hypothesis Testing of Auroral Ionospheric Layer Causing Global Navigation Satellite System Scintillation by G. Blinstrubas, A. English, D. J. Stuart, D. L. Hampton, L. Lamarche, Y. Nishimura, S. Datta‐Barua

    Published 2025-01-01
    “…Abstract As Global Navigation Satellite System electromagnetic waves pass through the ionosphere, especially in auroral zones, ionospheric irregularities cause the waves to scintillate. …”
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    Article