Showing 241 - 260 results of 293 for search 'model superposition methods', query time: 0.09s Refine Results
  1. 241

    Ship Target SAR Dataset Generation Based on Ray Tracing Including Multiple Scattering by Junjie Li, Ke Wu, Liuyan Wei, Chuanxiang Cheng, Gaohao Zhu

    Published 2025-01-01
    “…The method integrates the SAR spatial traversal mode and ray casting theory for discriminating the radar beam radiation areas of ship target and modeling electromagnetic (EM) wave transmissions under the geometric constraints of Range Doppler (RD) imaging geometry. …”
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  2. 242

    Study on the evolution of rock damage and blasting characteristics of deep tunnel splitting and drilling with explosives by Shigui FU, Zegong LIU, jinwei QIU, Shuai YANG, Gangjian AN, Guodong QIAO, Xin ZHANG

    Published 2025-06-01
    “…This model is further refined to create a three-dimensional numerical model for twin-hole cutting seam blasting under varying geological stress conditions. …”
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  3. 243

    A Quantum Perceptron: A New Approach for Predicting Rice Prices at the Indonesian Wholesale Trade Level by Solikhun, Tri Yunita

    Published 2024-08-01
    “…Although the research is still in the analytical stage, the use of Quantum Perceptron shows promise in dynamically addressing the complexity of market data and the variability of factors affecting rice prices. The method focuses on developing models that can leverage quantum computing to process information more effectively than classical methods. …”
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  4. 244

    Numerical simulation of manta ray's self-propulsion by CHEN Xiao, YE Jikun, HUANG Qiaogao, PAN Guang

    Published 2025-02-01
    “…This paper established a computational model of the two-degree-of-freedom self-propulsion of the manta ray. …”
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  5. 245

    Numerical Simulation of Rock-Breaking Mechanism by Spherical Tooth Impact in Granite Formation by Jing Zhou, Kunkun Li, Hao Wu, Yuan Dong, Bairu Xia

    Published 2025-03-01
    “…With the increasing depth of mining operations and the emergence of complex geological conditions, pneumatic down-the-hole (DTH) hammers have become an efficient drilling technology. This method utilizes high-pressure air to drive hammering actions for rock fragmentation. …”
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  6. 246

    Small-Scale Void-Size Determination in Reinforced Concrete Using GPR by Yong Yang, Junwei Lu, Rongzhe Li, Weigang Zhao, Deli Yan

    Published 2020-01-01
    “…In order to develop the tactic of small-scale void-size determination with considerable noise originated from rebar, a two-stage regression method is proposed in this study. First, a superposition model of target echoes was established to analyze the relationship between the space-time distribution and spectrum of the rebar echo and the void echo, and a curvelet transform was employed to reduce the strong reflection of the rebar. …”
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  7. 247

    Stochastic Analysis on the Resonance of Railway Trains Moving over a Series of Simply Supported Bridges by Tao Zhang, Taimu Jin, Jun Luo, Shengyang Zhu, Kaiyun Wang

    Published 2021-01-01
    “…The rail, track slab, and bridge are considered as Euler–Bernoulli beams, and the vibration equations of which are established by the modal superposition method (MSM). Except for the nonlinear wheel-rail interaction based on the Hertz contact theory, the other coupling relations between each subsystem are assumed to be linear elastic. …”
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  8. 248

    Rural Landscape Characters and Spatial Correlation Mechanism in the Tiaoxi River – Canal Basin in Zhejiang Province by Lin ZHANG, You ZUO, Binyi LIU

    Published 2025-04-01
    “…At the river − canal basin scale, the multi-level spatial superposition technique is utilized to identify associative character zones, and a coupling coordination model is used to identify the correlation patterns of water network, canal channel and rural landscape. …”
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    Article
  9. 249

    Spectrum Sharing Design for Integrated Aeronautical Communication and Radar System by Lanchenhui Yu, Jingjing Zhao, Quan Zhou, Yanbo Zhu, Kaiquan Cai

    Published 2025-03-01
    “…Specifically, NOMA-inspired technology is utilized to enable dual-spectrum sharing. The superposition of communication and radar signals is facilitated in the power domain. …”
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  10. 250

    Hysteresis cycles and invariance of the Dst index form during geomagnetic storm development by Kurazhkovskaya Nadezhda, Klain Boris, Zotov Oleg, Kurazhkovskii Alexander

    Published 2025-06-01
    “…We have analyzed the Dst index, solar wind, and interplanetary magnetic field (IMF) data accumulated using the epoch superposition method. It is shown that over the time interval of development of varying intensity storms with sudden and gradual onset the trajectory of Dst change depending on heliospheric parameters during the main phase of the storms does not coincide with its trajectory during the recovery phase, which is typical of the hysteresis phenomenon. …”
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  11. 251

    Research on the Elastic Properties of Deep Rock Composites Under High Pressure by Linmei Li, Xianren Zeng, Yonghong Tan, Qiyuan Xu, Shihuan Liu

    Published 2024-12-01
    “…This paper presents a three-dimensional model of the definitive structure of gypsum, calcite and quartz crystals, which are the primary components of deep rock mass. …”
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  12. 252

    Study on the interaction mechanism among spatial patterns of traditional villages and tourism attractiveness and accessibility in Guizhou province by Baoling Dong, Meiling Zhang, Hua Wang, Jiani Wu

    Published 2025-03-01
    “…Therefore, the study adopts ArcGIS, a modified gravity model combined with the research method of transportation accessibility, to investigate the interaction mechanism and influence relationship between 724 traditional villages in 88 districts and counties of Guizhou Province as the research object. …”
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  13. 253

    Research on the application of magnetic separation technology for the removal of black powder in natural gas pipelines by Hongwei YANG, Tianyu ZHANG, Fang LIU, Zhen LIU, Junxian CHEN, Wengang YANG

    Published 2025-07-01
    “…MethodsA three-dimensional model was developed using the finite element simulation software COMSOL to replicate magnetic system matrices. …”
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  14. 254

    Quantum psychology approach on enjoyment as mediator in relationship between L2 flow and engagement by Ferdi Çelik

    Published 2025-07-01
    “…Adopting a quantum psychology approach, this study conceptualizes learner psychology as probabilistic and non-linear, proposing that flow, enjoyment, and engagement are dynamically entangled, akin to quantum principles of superposition and entanglement.MethodsTo test this, the study investigates the mediating role of enjoyment in the relationship between psychological flow and academic engagement among 162 high school students in artificial intelligence (AI)-assisted English as a Foreign Language (EFL) speaking and writing classes. …”
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  15. 255

    Direct integration of non-axisymmetric Gaussian wind-turbine wake including yaw and wind-veer effects by K. Ali, P. Ouro, T. Stallard

    Published 2025-03-01
    “…Furthermore, the analytical expressions are shown to be compatible with multiple wake superposition models and are differentiable, providing a foundation for deriving analytical gradients which can be advantageous for optimisation-based applications.…”
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  16. 256

    On the Interactions of Fused Pyrazole Derivative with Selected Amino Acids: DFT Calculations by Kornelia Czaja, Jacek Kujawski, Elżbieta Jodłowska-Siewert, Paulina Szulc, Tomasz Ratajczak, Dominika Krygier, Marcin K. Chmielewski, Marek K. Bernard

    Published 2017-01-01
    “…For this purpose, we apply the DFT formalism (optimization using the B3LYP, CAM-B3LYP, PBE0, and M06L functionals) and interaction energy calculations (counterpoise corrected method based on the basis set superposition error, BSSE) together with QTAIM approach and estimation of the 1H NMR chemical shifts of analyzed pyrazole derivative using different basis sets and DFT functionals in CPCM solvation model (and water used as a solvent).…”
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  17. 257

    Research on load design for large containership based on nonlinear springing analysis in frequency domain by Ye Lu, Qiu Jin, Nan Zhao, Chao Tian, Qun Cao

    Published 2025-09-01
    “…These advancements represent a substantial improvement in fluid-structure interaction modeling accuracy. The study employs nonlinear hydroelastic theory and computational methods to solve frequency-multiplied wave-induced vibration responses of container ships under regular wave conditions. …”
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  18. 258

    Rock-Breaking Mechanism and Application of Combined Long and Short Holes in Parallel Holes Cut in Small-Section Tunnels by Hongxian Fu, Yufan Gao

    Published 2024-12-01
    “…A mechanical model was established to elucidate the parameter design method and cavity formation principle of the combined cutting. …”
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  19. 259

    Characteristics of Seepage Barriers in Fluvial Reservoirs of Meandering Rivers and Their Impacts on Water Injection Development: A Case Study of Neogene Guantao Formation in Block... by Ruhao Liu, Yu Sun, Xinrui Wang, Baiquan Yan, Haitao Yu

    Published 2022-01-01
    “…The seepage barriers were described based on the multilevel classification of seepage barrier categories, the intralayer seepage barriers with a lateral accretion pattern in the meandering river point bars were identified and described, and the distribution characteristics of seepage barriers were summarized at multiple levels. The method of “hierarchical analysis, skeleton construction, and category fitting” was used to establish 3D models of different levels of seepage barriers, and a modeling method based on the characteristics of intralayer seepage barriers under the constraint of architecture pattern was used to model intralayer seepage barriers with a lateral accretion pattern. …”
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  20. 260

    Analysis of Wind-Sand-Load-Induced Dynamic Response of Transmission Tower-Line Systems by Zhuoqun Zhang, Jiashu Liu, Kangjie Shao, Peng Zhang

    Published 2022-01-01
    “…The wind load is generated based on Kaimal fluctuating wind power spectrum and the harmonic superposition method, and the sand load is constructed based on the law of conservation of momentum and sandstorm classification. …”
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