Showing 221 - 240 results of 310 for search '"Wave propagation"', query time: 0.05s Refine Results
  1. 221

    Physical and mechanical aging of wood-plastic composites. Non-destructive methods for quality control by Ignacio Bobadilla Maldonado, Roberto Martínez, Hamed Matini Behzad, Everton Hillig

    Published 2025-01-01
    “…The non-destructive methods used proved to be reliable estimators of composite properties, especially ultrasound wave propagation, confirming previous findings on other materials. …”
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    Article
  2. 222

    Spatial Characteristics of Wideband Channels Using Leaky Coaxial Cables in Tunnel Scenario by Asad Saleem, Min Wang, Guoxin Zheng, Xiaoyu Yin

    Published 2019-01-01
    “…A ray tracing phenomenon was exploited to visualize the wave propagation for different transmitter and receiver antenna distances by using the time domain approach for both the horizontally and vertically polarized LCXs. …”
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    Article
  3. 223

    Detection of VLF Attenuation in the Earth‐Ionosphere Waveguide Caused by X‐Class Solar Flares Using aGlobal Lightning Location Network by T. S. Anderson, M. P. McCarthy, R. H. Holzworth

    Published 2020-03-01
    “…Abstract Solar flares, energetic particles, and Earth‐impacting coronal mass ejections enhance ionization in the lower ionosphere, inhibiting radio wave propagation in the Earth‐ionosphere waveguide (EIWG). …”
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    Article
  4. 224

    Calculation of cooling of building premises in emergency modes at variable outdoor temperature by O. D. Samarin

    Published 2024-01-01
    “…The basic differential equation of the convective heat balance in the room, including the most significant components of the heat flow is used under the assumption of the linear character of the outdoor temperature decrease over time, taking into account the peculiarities of the temperature wave propagation in massive enclosures in the initial period of time. …”
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    Article
  5. 225

    Investigation on the Effects of Prefabricated Crack and Strain Rate on Uniaxial Compressive Properties of Frozen Silty Soil by Dongdong Ma, Ezra Esanju Kaunda, Kun Huang

    Published 2020-01-01
    “…However, tensile cracks parallel to stress wave propagation direction were observed for the frozen silty soil specimen with prefabricated crack.…”
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  6. 226

    Novel Visualization of Building Earthquake Response Recorded by a Dense Network of Sensors by Lichiel Cruz, Maria I. Todorovska, Mihailo D. Trifunac, Alimu Aihemaiti, Guoliang Lin, Jianwen Cui

    Published 2025-01-01
    “…The animations provide invaluable insight into the 3D structural response of the building as a whole, including wave propagation through the structure and the interplay between translations and rotations, which will be useful for testing existing and developing new methods for structural health monitoring of buildings and for the further development of building design codes. …”
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  7. 227

    One-Dimensional Simulation of the In-Situ Oil Combustion with Consideration to Fluid and Solid Combustible Components by I. A. Koznacheev, K. V. Dobrego

    Published 2019-02-01
    “…Calculations shown, that thermal wave propagation velocity, at least after passing the “peaks” and transition to quasi-steady regime, does not considerably depend on mass traction of the fluid component in the system. …”
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  8. 228

    Investigating the Sensitivity of Alfvén Pulse Interactions to Plasma Beta in the Corona by Naser Karimi, Mahdi Alizadeh, Zianab Shajei

    Published 2024-01-01
    “…Plasma β, the ratio of thermal plasma pressure to magnetic pressure, varies significantly in the solar corona, influencing wave propagation Throughout much of the corona, the plasma β is considerably smaller than one, to disregard pressure gradients in the plasma. …”
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    Article
  9. 229

    DNA origami-designed 3D phononic crystals by Park Sung Hun, Park Haedong, Nam Jwa-Min, Ke Yonggang, Liedl Tim, Tian Ye, Lee Seungwoo

    Published 2023-05-01
    “…To this end, 3D phononic crystals (PnCs) have been considered the gold standard because their complete phononic bandgap (PnBG) enables omnidirectional inhibition of phononic wave propagation. Nevertheless, achieving a complete PnBG in the high-frequency regime is still challenging, as attaining the correspondingly demanded mesoscale 3D crystals consisting of continuous frame networks with conventional fabrications is difficult. …”
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  10. 230

    Deep Learning Model for CS-Based Signal Recovery for IRS-Assisted Near-Field THz MIMO System by Vaishali Sharma, Prakhar Keshari, Sanjeev Sharma, Kuntal Deka, Ondrej Krejcar, Vimal Bhatia

    Published 2024-01-01
    “…A promising solution to navigate these obstacles involves the use of intelligent reflecting surfaces (IRS)-enhanced multiple-input multiple-output (MIMO) technology, which steers THz wave propagation. However, the substantial dimensions associated with IRS and MIMO extend the near-field, particularly at THz frequencies, as indicated by the Rayleigh distance and suffer from beam squint. …”
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  11. 231

    Experimental study and field application of hydraulic flushing technology in soft coal seam by Xun Zhao, Bei Hu, Baisheng Nie, Xianfeng Liu, Dan Zhao, Hongsheng Li, Chuan Deng, Zhengpeng Duan

    Published 2025-01-01
    “…Additionally, the amplitude of stress wave is positively correlated with the density of the sample, with low-strength samples exhibiting extensive stress wave propagation and minimal attenuation. The stress wave vibration is multi-directional, which can maximize the instability and destruction of the internal structure of the coal body. …”
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  12. 232

    A stretched polar vortex increased mid-latitude climate variability during the Last Glacial Maximum by Y. Zhang, H. Renssen, H. Seppä, Z. Li, X. Li

    Published 2025-01-01
    “…Our results show that under LGM conditions, the SPV stretched towards the Laurentide ice sheet; this was accompanied by anomalous upward wave propagation and enhanced SPV variability, which increased the likelihood of cold-air outbreaks into the mid-latitudes. …”
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  13. 233

    Can Nonfibrotic Nonalcoholic Steatohepatitis Be Effectively Identified by Supersonic Shear Imaging? by Jiajia Yang, Liwu Lin, Ensheng Xue, Dengke Hong, Yan Yang, Meifang Xu, Zhikui Chen

    Published 2019-01-01
    “…Supersonic shear imaging (SSI) is a relatively new technique to measure the elasticity of target tissues based on the shear wave propagation. The aim of this study was to evaluate the value of SSI in discriminating nonfibrotic nonalcoholic steatohepatitis (NASH) from the less severe nonalcoholic fatty liver disease (NAFLD), NASH with fibrosis, and the normal liver, as well as the relationship between various NAFLD pathologic or biochemical findings and SSI liver elasticity. …”
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  14. 234

    Resource-Efficient Acoustic Full-Waveform Inversion via Dual-Branch Physics-Informed RNN with Scale Decomposition by Cai Lu, Jijun Liu, Liyuan Qu, Jianbo Gao, Hanpeng Cai, Jiandong Liang

    Published 2025-01-01
    “…However, these approaches demand considerable storage to capture spatiotemporal seismic wave propagation fields and their gradient information, often exceeding the memory capabilities of current GPU resources during field data processing. …”
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  15. 235

    Multiscale Method for Seismic Response of Near-Source Sites by Shutao Li, Jingbo Liu, Zhou Yang, Xin Bao, Fei Wang, Xiaofeng Wang, Mohsen Saleh Asheghabadi

    Published 2020-01-01
    “…The generalized free-field seismic response of the near-source region is obtained by establishing a large-scale calculation model of the source site and is used to simulate the fracture mechanism of faults and the process of seismic wave propagation. Then, using the method of seismic wave input based on artificial boundary substructures, the free-field motion of the wave is transformed into the equivalent seismic load, which is the seismic wave input data for the small-scale region of interest. …”
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  16. 236

    Non-unit protection method for boundary-component-free MTDC systems using normalized backward traveling waves by Fan Xie, Le Liu, Zhiguo Hao, Ting Wang, Songhao Yang, Aleksandra Lekić, Marjan Popov

    Published 2025-03-01
    “…Firstly, traveling wave propagation characteristics are analyzed, and a rationalization approach based on vector fitting is proposed. …”
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  17. 237
  18. 238

    A Deep-Learning Approach to a Volumetric Radio Environment Map Construction for UAV-Assisted Networks by Bethelhem S. Shawel, Dereje H. Woldegebreal, Sofie Pollin

    Published 2024-01-01
    “…This neglects the altitude-related characteristics of electromagnetic wave propagation and confines REMs to 2D formats, which limits the comprehensive and continuous visualization of propagation environment variation in spatial dimensions. …”
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  19. 239

    Potential and limitations of noise-based surface-wave tomography for numerical site effect estimation: a case study in the French Rhône valley by Lavoué, François, Froment, Bérénice, Gélis, Céline, Boué, Pierre,  Chaljub, Emmanuel, Stehly, Laurent, Beauprêtre, Sophie, De Martin, Florent,  Gisselbrecht, Loïc, Pilz, Marco, Moiriat, Denis, Cushing, Edward Marc

    Published 2024-07-01
    “…More specifically, we use a 3D numerical model of seismic properties derived from Ambient Noise Surface-Wave Tomography (ANSWT) for 3D numerical simulations of seismic wave propagation, and consequently for a numerical estimation of seismic amplification in the basin. …”
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    Article
  20. 240