Showing 821 - 840 results of 1,156 for search '"electromagnetism"', query time: 0.04s Refine Results
  1. 821

    Frequency-Dependent Streaming Potential of Porous Media—Part 1: Experimental Approaches and Apparatus Design by P. W. J. Glover, J. Ruel, E. Tardif, E. Walker

    Published 2012-01-01
    “…We conclude that the electromagnetic drive is currently the only approach that is practicable, while the piezoelectric drive may be useful for low permeability samples and at specified high frequencies. …”
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  2. 822

    Propagation Characteristics and Magnetic Field Distribution of Rotating Magnet-Based Mechanical Antenna in the Air-Seawater-Seabed Three-Layer Medium by S. P. Chen, Q. Zhou, J. Y. Zhang, S. Y. Wang

    Published 2024-01-01
    “…Aiming at the application requirements of underwater cross-domain communication, based on the equivalent relationship between the rotating permanent magnet and the orthogonal time-varying current loop, this paper establishes an air-seawater-seabed three-layer medium model and analyzes the magnetic field distribution and propagation characteristics of the rotating permanent magnet-based mechanical antenna (RMBMA). Based on the electromagnetic field simulation software FEKO, the influence of vertical rotation and horizontal rotation of RMBMA on the radiation magnetic field is analyzed. …”
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  3. 823

    Angle-controlled strong and weak coupling in photon molecules by Feng Xiao, Xiaoqiuyan Zhang, Yueying Wang, Xingxing Xu, Tianyu Zhang, Min Hu

    Published 2025-01-01
    “…Abstract Strong light-matter coupling occurs when the rate of energy exchange between the electromagnetic mode and the molecular ensemble exceeds the competitive dissipation process. …”
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  4. 824

    Frequent Home Monitoring of ICD Is Effective to Prevent Inappropriate Defibrillator Shock Delivery by Paolo Bifulco, Luigi Argenziano, Maria Romano, Mario Cesarelli, Mario Sansone, Stefano Casella, Stefano Nardi

    Published 2014-01-01
    “…Inappropriate shock generally depends on atrial fibrillation, supraventricular tachycardia, and abnormal sensing (such as those caused by electromagnetic interferences). As a practical example, an unusual case of an ICD patient who risked an inappropriate shock while taking a shower is reported. …”
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  5. 825

    Nondestructive Measurement of Momentum Transfer Collision Frequency for Low Temperature Combustion Plasma by Douglas Letsholathebe, Kgakgamatso M. Mphale, Samuel Chimidza

    Published 2014-01-01
    “…Accurately measured momentum transfer collision frequency and electron density for fire plasma enable correct simulation of electromagnetic wave propagation in the medium. The simulation is essential for designing high-performance systems suitable for the environment. …”
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  6. 826

    A Contrast Source Inversion Algorithm Formulated Using the Log-Phase Formulation by Tonny Rubæk, Paul M. Meaney, Keith D. Paulsen

    Published 2011-01-01
    “…In the CSI algorithm, the nonlinear integral equation, which must be solved to extract the constitutive electromagnetic parameters of the object under test from the microwave measurements, is represented by two linear equations, known as the data and the object equations. …”
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  7. 827

    Evaluation of SAR Distribution in Six-Layer Human Head Model by Asma Lak, Homayoon Oraizi

    Published 2013-01-01
    “…The interaction between human head model and electromagnetic field sources is studied. The head models are composed of one and six layers. …”
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  8. 828

    A Low Profile Ultrawide Band Monopole Antenna for Wearable Applications by Srinivas Doddipalli, Ashwin Kothari, Paritosh Peshwe

    Published 2017-01-01
    “…Specific absorption rate (SAR) of the proposed antenna on dispersive phantom model is also measured to observe the exposure of electromagnetic energy on human tissues. The simulated and measured results of the proposed antenna exhibit wide bandwidth and radiation characteristics in both free space and human proximity.…”
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  9. 829

    Multimode Coordination Control of a Hybrid Active Suspension by Fa-Rong Kou, Dong-Dong Wei, Lei Tian

    Published 2018-01-01
    “…Secondly, the active mode with damping switching control of the hybrid suspension and the semiactive mode with feedback adjustment of the electromagnetic damping force of the hybrid suspension are analyzed. …”
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  10. 830

    Radar Jamming Recognition: Models, Methods, and Prospects by Zan Wang, Zhengwei Guo, Gaofeng Shu, Ning Li

    Published 2025-01-01
    “…In modern warfare with complex and changeable electromagnetic environments, radar jamming is getting more complex and realistic, which poses a serious threat to radar; jamming recognition has become a hot topic in the field of electronic countermeasures. …”
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    Article
  11. 831

    Decoupling Control Strategy of IPT System Based on Optimal Efficiency Load Tracking by Wenmei Hao, Liwei Zhang, Sanmu Xiu, Fengyu Leng

    Published 2019-01-01
    “…However, in the application of dynamic wireless charging in urban rail transit, the primary and secondary side coils are in the process of relative movement, so it is relatively difficult to establish reliable real-time communication, and it is easy to be interfered by electromagnetic transmission process, resulting in large errors. …”
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  12. 832

    Electrically tunable THz graphene metasurface wave retarders by Park Hyunwoo, Jeong Sodam, Seo Changwon, Park Hyeongi, Oh Donghak, Shim Jae-Eon, Lee Jaeyeong, Ha Taewoo, Kim Hyeon-Don, Baek Soojeong, Min Bumki, Kim Teun-Teun

    Published 2023-03-01
    “…Anisotropic materials with chirality or birefringence can be used to manipulate the polarization states of electromagnetic waves. However, the comparatively low anisotropy of natural materials hinders the miniaturization of optical components and devices at terahertz frequencies. …”
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  13. 833

    Scattering and Doppler Spectral Analysis for a Fast-Moving Target above Time-Varying Lossy Dielectric Sea Surface by Ke Li, Lixin Guo, Juan Li

    Published 2016-01-01
    “…A numerical electromagnetic method based on the physical optics with physical optics method (PO-PO) is employed to calculate backscattered returns from a missile-like target above sea surface. …”
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  14. 834

    Characterization of aerosol jet printed features at microwave frequencies by Teresa Cheng, Kelvin J. Nicholson

    Published 2025-12-01
    “…This work has demonstrated that AJP can be utilized to fabricate bulk microwave components with acceptable electromagnetic performance and sets a solid foundation for the manufacturing of conformal antennas in the future.…”
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  15. 835

    A 28-GHz Vivaldi Array Antenna With Power Divider Structure for Achieving Wide Band and Gain Enhancement by Ming-An Chung, Dainius Udris, Chia-Wei Lin, Chih-Wei Yang

    Published 2024-01-01
    “…The antenna is simulated with an electromagnetic power density (PD) of 28.5 W/m2 at 1 cm2 and 7.27 W/m2 at 4 cm2, which are in compliance with the FCC regulations. …”
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  16. 836

    Composite Scattering from a PEC Object above Two-Layered Rough Soil Surfaces Based on an Efficient Bi-Iterative Model by Ke Li, Lixin Guo, Juan Li

    Published 2022-01-01
    “…In the study, an efficient bi-iterative physical optics (PO) electromagnetic model is used to analyze the composite scattering from a PEC object above two-layered rough soil surfaces for the first time. …”
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  17. 837

    Comparison of Matrix Pencil Extracted Features in Time Domain and in Frequency Domain for Radar Target Classification by Mahmoud Khodjet-Kesba, Khalil El Khamlichi Drissi, Sukhan Lee, Kamal Kerroum, Claire Faure, Christophe Pasquier

    Published 2014-01-01
    “…To the best of our knowledge, this comparison and the reconstruction of the complex electromagnetic field by MPMFD have not been done before. …”
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  18. 838

    Optimization of Photonic Nanocrystals for Invisibility Using Artificial Intelligence by Z. Dorrani

    Published 2024-12-01
    “…These structures facilitate directing electromagnetic waves in specific directions and making objects invisible by creating a bandgap. …”
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  19. 839

    Modeling Human Body Using Four-Pole Debye Model in Piecewise Linear Recursive Convolution FDTD Method for the SAR Calculation in the Case of Vehicular Antenna by Ammar Guellab, Qun Wu

    Published 2018-01-01
    “…We propose an efficient finite difference time domain (FDTD) method based on the piecewise linear recursive convolution (PLRC) technique to evaluate the human body exposure to electromagnetic (EM) radiation. The source of radiation considered in this study is a high-power antenna, mounted on a military vehicle, covering a broad band of frequency (100 MHz–3 GHz). …”
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  20. 840

    Evaluating the Performance of Smart Meters: Insights into Energy Management, Dynamic Pricing and Consumer Behavior by Konstantinos G. Koukouvinos, George K. Koukouvinos, Pavlos Chalkiadakis, Stavrοs D. Kaminaris, Vasilios A. Orfanos, Dimitrios Rimpas

    Published 2025-01-01
    “…Despite their advantages, challenges such as data privacy, installation costs and electromagnetic radiation concerns, persist. Future investigations to address the identified limitations are required.…”
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