Showing 23,741 - 23,760 results of 24,968 for search '"electromagnet"', query time: 0.18s Refine Results
  1. 23741

    Model-independent Way to Determine the Hubble Constant and the Curvature from the Phase Shift of Gravitational Waves with DECIGO by Tonghua Liu, Shuo Cao, Marek Biesiada, Yilong Zhang, Jieci Wang

    Published 2024-01-01
    “…Similarly to the redshift drift in the electromagnetic domain, accelerating expansion of the Universe causes a characteristic phase correction to the gravitational waveform detectable by DECIGO. …”
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  2. 23742

    Comparisons of Tidal Currents in the Pearl River Estuary between High-Frequency Radar Data and Model Simulations by Langfeng Zhu, Tianyi Lu, Fan Yang, Bin Liu, Lunyu Wu, Jun Wei

    Published 2022-06-01
    “…A hybrid machine-learning-based inversion algorithm including traditional electromagnetic analysis and physical oceanography factors is needed to develop and improve radar data quality. …”
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    Article
  3. 23743

    Multi-Objective Hybrid Optimization Algorithm for Design a Printed MIMO Antenna With n78–5G NR Frequency Band Applications by Vahid Hosseini Hasbestan, Yousef Farhang, Kambiz Majidzadeh, Changiz Ghobadi

    Published 2023-01-01
    “…Computer Simulation Technology (CST) Studio Suite carries out electromagnetic and high-frequency simulations, and the novel developed optimization algorithm in MATLAB determines what and how much parameter values need to be changed by CM-PSO or an innovative modified GA in order to enhance the antenna&#x2019;s <inline-formula> <tex-math notation="LaTeX">$S_{11}$ </tex-math></inline-formula> result and its Impedance Bandwidth (IBW). …”
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  4. 23744

    A Standard Siren Measurement of the Hubble Constant Using Gravitational-wave Events from the First Three LIGO/Virgo Observing Runs and the DESI Legacy Survey by A. Palmese, C. R. Bom, S. Mucesh, W. G. Hartley

    Published 2023-01-01
    “…This result shows that a combination of eight well-localized dark sirens combined with an appropriate galaxy catalog is able to provide an H _0 constraint that is competitive (∼20% versus 18% precision) with a single bright standard siren analysis (i.e., assuming the electromagnetic counterpart) using GW170817. When combining the posterior with that from GW170817, we obtain ${H}_{0}={72.77}_{-7.55}^{+11.0}\,\mathrm{km}\,{{\rm{s}}}^{-1}\,{\mathrm{Mpc}}^{-1}$ . …”
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  5. 23745

    ESTABLISHMENT AND PRACTICE OF UNDERGRADUATE EDUCATION SYSTEM FOR MARINE SURVEYING AND MAPPING IN THE NEW STAGE by F. Yang, S. Liu, C. Qin, K. Zhang, X. Cui, J. Sun

    Published 2023-05-01
    “…The discipline roots in the geodesy discipline, but is also deeply connected with oceanography, electromagnetics, and underwater acoustic. Moreover, it serves the national marine strategy and coastal economic development. …”
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  6. 23746

    Local Freeman Decomposition for Robust Imaging and Identification of Subsurface Anomalies Using Misaligned Full-Polarimetric GPR Data by Haoqiu Zhou, Xuan Feng, Zejun Dong, Cai Liu, Wenjing Liang, Yafei An

    Published 2022-02-01
    “…However, in field FP-GPR measurements, the arrival time of the received electromagnetic (EM) waves from different channels cannot be strictly aligned due to the limitations of human operation errors and the craftsmanship of the equipment. …”
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  7. 23747

    Functional brain changes using electroencephalography after a 24-week multidomain intervention program to prevent dementia by Hee Kyung Park, Hee Kyung Park, Seong Hye Choi, SeonMyeong Kim, Ukeob Park, Seung Wan Kang, Seung Wan Kang, Jee Hyang Jeong, So Young Moon, Chang Hyung Hong, Hong-Sun Song, Buong-O Chun, Sun Min Lee, Muncheong Choi, Kyung Won Park, Byeong C. Kim, Soo Hyun Cho, Hae Ri Na, Yoo Kyoung Park, Yoo Kyoung Park

    Published 2022-10-01
    “…Source cortical current density and functional connectivity were estimated by standardized low-resolution brain electromagnetic tomography. Participants who received the intervention showed increases in the power of the beta1 and beta3 bands and in the imaginary part of coherence of the alpha1 band compared to the control group. …”
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  8. 23748

    Detection of Cover Collapse Doline and Other Epikarst Features by Multiple Geophysical Techniques, Case Study of Tarimba Cave, Brazil by Yawar Hussain, Rogerio Uagoda, Welitom Borges, Renato Prado, Omar Hamza, Martín Cárdenas-Soto, Hans-Balder Havenith, Jie Dou

    Published 2020-10-01
    “…The methods used for the investigation were Electrical Resistivity Tomography (ERT), Seismic Refraction Survey (SRS), Seismic Refraction Tomography (SRT) and the Very Low Frequency Electromagnetic (VLF-EM) method. The study developed several (2D) sections of the measured physical properties, including P-wave velocity and electrical resistivity, as well as the induced current (because of local bodies). …”
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  9. 23749

    Injuries to both anterolateral ligament and Kaplan fiber of the iliotibial band do not increase preoperative pivot-shift phenomenon in ACL injury by Takeo Tokura, Kanto Nagai, Yuichi Hoshino, Shu Watanabe, Noriyuki Kanzaki, Kyohei Nishida, Takehiko Matsushita, Ryosuke Kuroda

    Published 2024-04-01
    “…Before ACL reconstruction, tibial acceleration during the pivot-shift test was measured by an electromagnetic measurement system, and manual grading was recorded according to the International Knee Documentation Committee (IKDC) guideline. …”
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  10. 23750

    Programmable Beam-Steering Capabilities Based on Graphene Plasmonic THz MIMO Antenna via Reconfigurable Intelligent Surfaces (RIS) for IoT Applications by Sherif A. Khaleel, Ehab K. I. Hamad, Naser Ojaroudi Parchin, Mohamed B. Saleh

    Published 2022-12-01
    “…Recently, reconfigurable intelligent surfaces (RIS), also called codded/tunable programmable metasurfaces, have enabled a conspicuous functionality for THz devices and components for influencing electromagnetic waves (EM) such as beam steering, multi-beam-scanning applications, polarization variation, and beam focusing applications. …”
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  11. 23751

    Highly Regular Hexagonally-Arranged Nanostructures on Ni-W Alloy Tapes upon Irradiation with Ultrashort UV Laser Pulses by Luis Porta-Velilla, Neslihan Turan, Álvaro Cubero, Wei Shao, Hongtao Li, Germán F. de la Fuente, Elena Martínez, Ángel Larrea, Miguel Castro, Haluk Koralay, Şükrü Çavdar, Jörn Bonse, Luis A. Angurel

    Published 2022-07-01
    “…Their formation mechanism is discussed on the basis of the interplay between electromagnetic scattering effects followed by hydrodynamic matter re-organization after the laser exposure. …”
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  12. 23752

    The dynamic universe: realizing the potential of classical time domain and multimessenger astrophysics by Steve B. Howell, D. Andrew Howell, D. Andrew Howell, R. A. Street, Melinda Soares-Furtado, Brian Jackson, Thomas P. Greene

    Published 2024-01-01
    “…In parallel with the multi-messenger revolution, major advances in time-domain astronomy across multiple science disciplines relevant to astrophysics are becoming more urgent to address. Aside from electromagnetic observations of gravitational wave events and explosive counterparts, there are a number of “classical” astrophysical areas that require new thinking for proper exploration in the time domain. …”
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  13. 23753

    Triple network in adolescents with borderline personality disorder, early traumatic experiences and dissociative symptoms: An eloreta study by C. Di Maggio, C. Massullo, C. Imperatori, O. Palazzolo, B. Farina, M. Brinciotti, M. Ferrara, V. Guidetti, A. Terrinoni

    Published 2021-04-01
    “…Eyes-closed resting-state (RS) EEG recordings were performed (19 electrodes; 10- 20 system) and analyzed using Exact Low-Resolution Electromagnetic Tomography software (eLORETA). FC was computed for all frequency bands and 9 Regions of Interest for TNM. …”
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  14. 23754

    Risk Analysis of Lightning and Surge Protection Devices for Power Energy Structures by Chien-Hsun Liu, Yirga Belay Muna, Yu-Tung Chen, Cheng-Chien Kuo, Hung-Yi Chang

    Published 2018-08-01
    “…This paper takes advantage of Electromagnetic Transients Program (EMTP) to simulate the voltage of equipment with different types of loads and length of the cable. …”
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  15. 23755

    Study of the mining and aquifer interactions in complex geological conditions and its management by Wanpeng Huang, Le Sui, Yanmin Wang, Chengguo Zhang, Donghai Jiang, Xianwei Cai, Zhixiang Yang

    Published 2023-06-01
    “…In this study, the transient electromagnetic method and the high-density three-dimensional electrical method were used to identify two areas prone to water inrush danger in the working face. …”
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  16. 23756

    A Preliminary Study on Ionospheric Scintillation Anomalies Detected Using GNSS-R Data from NASA CYGNSS Mission as Possible Earthquake Precursors by Carlos Molina, Badr-Eddine Boudriki Semlali, Hyuk Park, Adriano Camps

    Published 2022-05-01
    “…Ionospheric perturbations affect the propagation of electromagnetic waves. These perturbations, besides being a problem for space communications, satellite navigation, and Earth observation techniques, could also be used as another Earth observation tool. …”
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  17. 23757

    Resource Allocation and Sharing Methodologies When Reconfigurable Intelligent Surfaces Meet Multiple Base Stations by Yoghitha Ramamoorthi, Riku Ohmiya, Masashi Iwabuchi, Tomoaki Ogawa, Yasushi Takatori

    Published 2022-07-01
    “…Reconfigurable intelligent surface (RIS) assisted mmWave networks consist of smaller antenna elements that control the propagation channel between the base station (BS) and the user by appropriately tuning the phase and the reflection of the incident electromagnetic signal. The deployment of RIS is considered to be an energy efficient solution to improve the coverage of regions with high blocking probability. …”
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  18. 23758

    Scratch and Wear Behaviour of Co-Cr-Mo Alloy in Ringer’s Lactate Solution by Raimundo Silva, Marcos Dantas dos Santos, Rui Madureira, Rui Soares, Rui Neto, Ângela Aparecida Vieira, Polyana Alves Radi Gonçalves, Priscila Maria Sarmeiro M. Leite, Lúcia Vieira, Filomena Viana

    Published 2023-04-01
    “…This paper investigates the tribological behaviour of a Co-Cr-Mo alloy produced using investment casting, together with electromagnetic stirring, to reduce its grain size. The samples were subjected to wear and scratch tests in simulated body fluid (Ringer’s lactate solution). …”
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  19. 23759

    WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments by Hyuckjin Choi, Jaeky Oh, Jaehoon Chung, George C. Alexandropoulos, Junil Choi

    Published 2023-01-01
    “…By combining the RT algorithm for the signal propagation trajectories with electromagnetic (EM) equations, generalized channel impulse responses (CIRs) are obtained. …”
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  20. 23760

    Direct Temperature Measurements of Cardiac Stent during MRI Examinations by Giuseppe Acri, Francesco Campanella, Giuseppe Vermiglio, Carmelo Anfuso, Barbara Testagrossa, Daniela Cavallaro, Domenica Urzì, Antonio Sanzo, Maria Antonietta D’Avanzo, Valentina Hartwig

    Published 2023-10-01
    “…During the entire length of the MRI exam, patients are exposed to electromagnetic fields with different characteristics (static, low frequency, radiofrequency fields), which are related to different risks. …”
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