Showing 681 - 700 results of 2,557 for search '(functional OR function) gradient', query time: 0.15s Refine Results
  1. 681

    VIBRATION FATIGUE ANALYSIS AND OPTIMAL DESIGN OF ALTERNATOR BRACKET by LU Jian, ZHONG ZiFeng

    Published 2019-01-01
    “…Secondly, the alternator bracket was vibration fatigue analyzed by adopting power spectrum density function, the analysis results show that the minimum life was lower than target, and it was consistent with the strength analysis weak region and actual failure position. …”
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  2. 682

    Bridge Crack Segmentation Algorithm Based on Improved U-Net by Yanhao Fang, Jie LYu, Yonghua Xia, Yingke Wang

    Published 2025-01-01
    “…Finally, the model utilizes a weighted combination loss function to achieve a balance between pixel-level classification and global shape consistency, effectively addressing gradient conflicts in scenarios with class imbalance. …”
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  3. 683

    Physics-Informed Deep Learning for Three Dimensional Black Holes by Emad Yaraie, Hossein Ghaffarnejad, Mohammad Farsam

    Published 2023-12-01
    “…Data has been collected by choosing minimally coupled massive scalar field with quantum fluctuations and we try to process two emergent and ground-truth metrics versus the holographic parameter which plays the role of depth of the neural network. Loss or error function which shows rate of deviation of these two metrics in presence of penalty regularization term reaches to its minimum value when values of the learning rate approach to the observed steepest gradient point. …”
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  4. 684

    DFT analysis: correlation of epinephrine HOMO-LUMO, refractive index, optical electronegativity, and electrical conductivity with substituted halogens (F, Cl, Br) by Rebaz Obaid Kareem

    Published 2025-06-01
    “…According to our Electron Localized Function (ELF) topological analysis data, the group of H atoms had a red patch around them, indicating an abundance of delocalized electrons…”
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  5. 685
  6. 686

    Percutaneous endocardial septal radiofrequency ablation in patients with hypertrophic obstructive cardiomyopathy by Aiju Tian, Yunjiu Cheng, Yuhe Jia, Tianjing Zhang, Jiaju Li, Xuhua Chen, Jun Liu, Xiaogang Guo, Qi Sun, Min Tang, Keping Chen, Yan Yao

    Published 2025-08-01
    “…The New York Heart Association (NYHA) functional class of the patients was improved from 2.14 ± 0.57 to 1.76 ± 0.54 (p = 0.002). …”
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  7. 687

    P-V-T equation of state and thermoelastic properties of shortite Na2Ca2 (CO3)2 from first principles by T. Inerbaev, P. Gavryushkin, K. Litasov, F. Abuova, A. Akilbekov

    Published 2017-12-01
    “… Theoretical study of structural, thermodynamic and dynamic properties of the double Na-Ca carbonate, shortite, was carried out with density functional theory. Local density approximation (LDA) and generalized gradient approximation in the Perdew-Burke-Ernzerh of (PBE) parameterization were used. …”
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  8. 688

    Small-world network properties and cortical responses of Tai Chi Yunshou: Insights from fNIRS by Jin Fan, Ruijun He, Dongling Zhong, Xiaobo Liu, Huan Liu, Zhi Chen, Qinjian Dong, Yuxi Li, Chen Xue, Jiaming Zhang, Cheng Xie, XianJun Xiao, Xiaoshen Hu, Xi Wu, Juan Li, Rongjiang Jin

    Published 2025-10-01
    “…Objective: This study aims to characterize the time-domain features and functional network properties from Tai Chi Yunshou across four states (rest, observation, imagination, and motion) using functional near-infrared spectroscopy (fNIRS), thereby discriminating the neural mechanisms underlying the mental regulation and integrative body-mind harmony of Tai Chi Yunshou. …”
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  9. 689
  10. 690

    Machine learning applications in forecasting patient satisfaction and clinical outcomes after carpal tunnel release: a retrospective study by Zohreh Manoochehri, Sara Manoochehri, Seyed Reza Bagheri, Alireza Abdi, Ehsan Alimohammadi

    Published 2025-08-01
    “…Outcomes evaluated included symptom severity and functional status, measured using the Boston Carpal Tunnel Questionnaire (BCTQ), as well as patient satisfaction post-CTR. …”
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  11. 691

    Sandwich‐Structured Fluorinated Polyimide Aerogel/Paraffin Phase‐Change Composites Simultaneously Enables Gradient Thermal Protection and Electromagnetic Wave Transmission by Tao Shi, Jianwei Jing, Zhiqiang Qian, Gaojie Wu, Guofeng Tian, Huan Liu, Xiaodong Wang

    Published 2025-02-01
    “…Through a rational integration of three functional layers, the developed sandwich‐structured composite not only can provide gradient thermal protection for hot objects over a long period but also exhibits an excellent wave‐transparent capability to establish communication between two electromagnetically shielded electronic devices. …”
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  12. 692
  13. 693
  14. 694

    Non‐linear electrical conductivity of compositionally gradient structured zinc oxide/ethylene propylene diene monomer composites for cable accessory application by Tiandong Zhang, Huiduo Xu, Gang Liu, Chao Yin, Changhai Zhang, Yue Zhang, Yongquan Zhang, Qingguo Chi

    Published 2025-06-01
    “…Abstract In this study, the functional gradient materials (FGMs) were the first attempt to homogenise the electric field distribution in the cable accessory, where zinc oxide particles (ZnOk) were filled into ethylene propylene diene monomer with the compositionally gradient distribution using laminating and hot‐pressing methods. …”
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  15. 695
  16. 696

    A Single-End Location Method for Small Current Grounding System Based on the Minimum Comprehensive Entropy Kurtosis Ratio and Morphological Gradient by Jiyuan Cao, Yanwen Wang, Lingjie Wu, Yongmei Zhao, Le Wang

    Published 2025-03-01
    “…Secondly, the intrinsic mode function component with the smallest entropy kurtosis ratio is selected as the line-mode traveling wave characteristic signal and the zero-mode traveling wave characteristic signal, respectively, and the arrival time of the wave head is accurately calibrated by combining the morphological gradient value. …”
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  17. 697

    The Investigation of Nonlinear Polynomial Control Systems by Sergei Nikolaevich Chukanov, Ilya Stanislavovich Chukanov

    Published 2021-10-01
    “…The use of Gro¨bner bases in the gradient method for finding the Lyapunov function of a nonlinear dynamical system is considered. …”
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  18. 698

    A Comprehensive Simplified Algorithm for Heat Transfer Modeling of Medium-Deep Borehole Heat Exchangers Considering Soil Stratification and Geothermal Gradient by Boyu Li, Fei Lei, Zibo Shen

    Published 2025-07-01
    “…Building upon an SFLS model adapted for complex geological conditions, this study proposes a comprehensive simplified algorithm: (1) For soil stratification: A geothermally-weighted thermal conductivity method converts layered heterogeneous media into an equivalent homogeneous medium; (2) For geothermal gradient: A temperature correction method establishes fluid temperatures under geothermal gradient by superimposing correction terms onto uniform-temperature model results (g-function model). …”
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  19. 699

    Ensemble machine learning-based pre-trained annotation approach for scRNA-seq data using gradient boosting with genetic optimizer by Osama Elnahas, Waleed M. Ead, Yushan Qiu, Jian Lu

    Published 2025-07-01
    “…The problem of single-cell RNA annotation involves assigning meaningful labels or annotations to each cell in the scRNA-seq dataset, indicating its corresponding cell type, state, or biological function. Current annotation methods are often challenged by limited source data quality, sensitivity to batch effects, and poor adaptability to uncharacterized cell types. …”
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  20. 700

    Fish Community Resource Utilization Reveals Benthic–Pelagic Trophic Coupling Along Depth Gradients in the Beibu Gulf, South China Sea by Xiaodong Yang, Konglan Luo, Jiawei Fu, Bin Kang, Xiongbo He, Yunrong Yan

    Published 2025-02-01
    “…To better understand the energy coupling of consumers between coastal marine habitats, this study employed a Bayesian mixture model using SC and SI data. By classifying functional groups based on taxonomy, morphological traits, and feeding ecology similarities, we constructed a trophic network and analyzed the changes in fish feeding patterns and the dynamics of benthic–pelagic coupling across environmental gradients. …”
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