Showing 181 - 200 results of 255 for search '"Wave propagation"', query time: 0.05s Refine Results
  1. 181

    Defining quantitative parameters and coordinates of the defect signal by acoustic-emission control of cylindrical tanks by A. A. Kuznetsov, V. P. Kulakovskaya

    Published 2024-02-01
    “…The approach proposed in the article makes it possible to reduce the error of determining the coordinates of defects, as compared to the expressions in the case of rectilinear wave propagation on a flat surface.…”
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    Article
  2. 182

    Evaluation of Selected Modulation Techniques in Underwater Multipath Channel by Agnieszka Czapiewska, Andrzej Luksza, Ryszard Studanski, Lukasz Wojewodka, Andrzej Zak

    Published 2025-01-01
    “…However, the channel for Underwater Acoustic (UWA) communications is challenging compared to the radio wave propagation in the air. Especially in shallow waters, where the channel has strong multipath effects. …”
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    Article
  3. 183

    Study on Electrical Parameter Matching of Piezoelectric Stack Periodic Strut for Helicopter Cabin Noise Control by Yue Hui-yu, Lu Yang, Dang Chong, Qin Yi-Fan, Ma Jin-chao, Zhu Tian-Yu

    Published 2022-01-01
    “…The propagation of elastic waves in the stopband frequency range is attenuated, which can improve the broadband passive vibration isolation capability of the PSPS; The piezoelectric stacks can adjust the elastic wave propagation in the PSPS and improve the single-frequency or multifrequency active isolation performance of the PSPS. …”
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  4. 184

    Blasting for Fracturing and Improving the Permeability of Deep, Soft, Outburst Prone Coal Seams Using Blasthole and Relief Hole Drilled into the Underlying Stratum: Optimal Hole Di... by Jianyu Zhang, Xingguo Zhao, Shigui Fu, Guodong Qiao, Xin Zhang, Shuai Yang

    Published 2022-01-01
    “…By establishing a theoretical model for this purpose, the stress wave propagation characteristics during the blasting process were analyzed, and the working mechanisms of the relief hole and the stress transmission characteristics were investigated. …”
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    Article
  5. 185

    A Comprehensive Propagation Prediction Model Comprising Microfacet Based Scattering and Probability Based Coverage Optimization Algorithm by A. S. M. Zahid Kausar, Ahmed Wasif Reza, Lau Chun Wo, Harikrishnan Ramiah

    Published 2014-01-01
    “…Although ray tracing based propagation prediction models are popular for indoor radio wave propagation characterization, most of them do not provide an integrated approach for achieving the goal of optimum coverage, which is a key part in designing wireless network. …”
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    Article
  6. 186

    <italic>C&#x2099;</italic>&#x00B2; Modeling for Free-Space Optical Communications: A Review by Florian Quatresooz, Claude Oestges

    Published 2025-01-01
    “…Atmospheric turbulence influence on optical wave propagation, referred to as optical turbulence, has long been studied for astronomical applications and is now being addressed for free-space optical communication links between ground and satellites. …”
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  7. 187

    Fractional Dynamics: Applications of the Caputo Operator in Solving the Sawada–Kotera and Rosenau–Hyman Equations by Khudhayr A. Rashedi, Musawa Yahya Almusawa, Hassan Almusawa, Tariq S. Alshammari, Adel Almarashi

    Published 2025-01-01
    “…Special attention is given to the influence of the fractional parameter on behavior of the solution behavior, highlighting its role in controlling diffusion and wave propagation. The findings underscore the potential of q-HMTM and MVIM as robust tools for solving non-linear fractional differential equations. …”
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  8. 188

    Assessment of landslide generated impulse waves in dam reservoirs using empirical relations: a case study on Borçka Dam by Hakan Ersoy, Murat Karahan, Hasan Hüseyin Öztürk

    Published 2020-07-01
    “…Considering the 4-meter freeboard for the dam, it was determined that the wave propagating through the reservoir and reaching the dam body would not create a danger for the body. …”
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  9. 189

    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
  10. 190

    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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  11. 191

    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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  12. 192

    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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  13. 193

    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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  14. 194

    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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  15. 195

    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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  16. 196

    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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  17. 197

    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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  18. 198

    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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  19. 199

    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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  20. 200

    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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