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Showing 2,481 - 2,500 results of 3,373 for search 'complex selection (coefficient OR efficient)', query time: 0.21s Refine Results
  1. 2481

    Adaptive Noise Exploration for Neural Contextual Multi-Armed Bandits by Chi Wang, Lin Shi, Junru Luo

    Published 2025-01-01
    “…This paper presents an adaptive noise exploration framework to reduce computational complexity and introduces two novel algorithms: EAD (Exploring Adaptive Noise in Decision-Making Processes) and EAP (Exploring Adaptive Noise in Parameter Spaces). …”
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    Article
  2. 2482

    Reflection and transmission of circularly polarized light for a layered periodic system with distributed defects by Valeriy V. Yatsyshen

    Published 2025-04-01
    “…The paper presents the results of calculating the frequency and angular spectra of reflection and transmission of light for a periodic structure with complex embedded defects. Methods. Using the characteristic matrix method, the energy reflection and transmission coefficients are calculated for such a structure using circularly polarized light. …”
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    Article
  3. 2483

    Research on Fault Stability in Junggar Basin Based on 3D Geological Modeling by XIONG Yuwei, ZHANG Yan, MA Jinyu, LI Zhe, LEI Cheng, SUN Wentie

    Published 2024-08-01
    “…The distribution characteristics of ground stress and fault stability are very important for horizontal well location deployment, drilling orientation and hydraulic fracturing design in complex areas. The Junggar basin is characterized by intense structure and complex strati-graphic characteristics, so it is necessary to clarify the variation law of ground stress, identify fault stability and control drilling risk to improve drilling efficiency. …”
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    Article
  4. 2484

    Medium- and Long-term Forecast of Inflow of Dahuofang Reservoir Based on CEEMDAN-LSTM Model by WANG Chunyu, ZHANG Jing, YANG Xu, YAN Bin

    Published 2025-06-01
    “…As the flow process is subject to rain fall, temperature fluctuations, human activity intervention, and other multiple factors of complexity, its law of change shows significant randomness and uncertainty, greatly increasing the difficulty of medium- and long-term forecast and restricting its application effect in production practice. …”
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    Article
  5. 2485

    Fuzzy clustering based scheduling algorithm for minimizing the tasks completion time in cloud computing environment by Nawaf R. Alharbe

    Published 2025-06-01
    “…Abstract This paper explores the complexity of project planning in a cloud computing environment and recognizes the challenges associated with distributed resources, heterogeneity, and dynamic changes in workloads. …”
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    Article
  6. 2486

    Multi-user hybrid precoding design based on QR decomposition and beam gain alignment by ZHANG Tingting, CAO Haiyan, LI Bin, JI Yangrui, LING Haikun, XU Fangmin

    Published 2024-11-01
    “…Simulation results show that the proposed algorithm has lower complexity and higher achievable sum rate and energy efficiency.…”
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    Article
  7. 2487

    Low error floor LT coding algorithm by using fixed-length node classification window by Xin SONG, Naiping CHENG, Shuyan NI, Yurong LIAO, Tuofeng LEI

    Published 2021-09-01
    “…To solve the problem of high error floor for LT codes in additive white Gaussian noise (AWGN) channels, an improved coding scheme was designed.A fixed-length classification window was used to sort out the information nodes with relatively small degrees.Then these nodes would be forced to participate in the coding process frequently, so that they could obtain sufficiently high reliability.To design the optimal parameters, firstly, the bit error rate (BER) performance of LT codes and the cause of the error floor were analyzed, and the theoretical BER lower bound was introduced as the first constraint.Secondly, the extrinsic information gain loss ratio (GLR) was designed to measure the convergence behavior of the improved LT code, and maximizing the GLR was denoted as the second constraint.Finally, the influence of different parameters on algorithm efficiency and coding complexity were analyzed, and the principle of priority selection of parameters was pointed out as the third constraint.The simulation results show that compared with the conventional LT code, the proposed algorithm can reduce the error floor by nearly three orders of magnitude.Besides, the designed LT code outperforms the existing LT codes in literature in terms of bit error rate (BER) performance.…”
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    Article
  8. 2488

    Quantifying the distinct role of plasmon enhancement mechanisms in prototypical antenna-reactor photocatalysts by Shuang Liu, Zhiyi Wu, Zhijie Zhu, Kai Feng, Yuxuan Zhou, Xinge Hu, Xiong Huang, Binbin Zhang, Xudong Dong, Yueru Ma, Kaiqi Nie, Jiahui Shen, Zidi Wang, Jiari He, Jiaqi Wang, Yu Ji, Binhang Yan, Qingfeng Zhang, Alexander Genest, Xiaohong Zhang, Chaoran Li, Bo Wu, Xingda An, Günther Rupprechter, Le He

    Published 2025-03-01
    “…Abstract Plasmonic photocatalysis enabled by the unique localized surface plasmon resonance represents a promising approach for efficient solar energy conversion. Elucidating the distinct plasmonic catalytic mechanisms and quantification of their effect is crucial yet highly challenging, due to their complex and synergistic nature. …”
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    Article
  9. 2489

    Progress of research on aviation kerosene preparation using bioethanol by Pan LI, Yu ZHAO, Xingguo WU, Lulu ZHANG, Junhao HU, Wei CHEN, Jing BAI, Chun CHANG, Shuqi FANG

    Published 2025-03-01
    “…Currently, the ATJ process still suffers several disadvantages, such as long process flow and low conversion efficiency. The conversion route from ethanol to jet kerosene is complex and requires three different catalysts. …”
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    Article
  10. 2490

    Infrasound phonophoresis with peptide bioregulators and amino acids in children with epilepsy in partial optic atrophy by I. V. Sukhanova, E. E. Sidorenko, Yu. V. Taranova, E. I. Sidorenko

    Published 2024-08-01
    “…Therefore, we faced the question of the need to select modern gentle effective methods of complex treatment of patients in this group. …”
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    Article
  11. 2491

    Structural model of determinants of medication adherence in elderly individuals with tuberculosis in Iran by Somayeh Hassani, Farahnaz Mohammadi Shahboulagi, Mahshid Foroughan, Payam Tabarsi, Gholamreza Ghaedamini Harouni, Hamidreza Jamaati, Mohammad Varahram, Seyed Mohammad Seyedmehdi, Niloufar Alizadeh, Seyed Alireza Nadji

    Published 2025-08-01
    “…Valid and reliable questionnaires were then administered to 305 elderly individuals with tuberculosis and their family caregivers to measure these selected variables. A structural model was employed to examine the relationship between concepts and predict medication adherence variance. …”
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    Article
  12. 2492

    基于数字图像比色法的食用油酸价检测研究Determination of acid value of edible oil by digital image colorimetry-based method by 李跃凡1,马改琴1,王媛媛1,张帆2,于修烛1LI Yuefan1, MA Gaiqin1, WANG Yuanyuan1, ZHANG Fan2, YU Xiuzhu1

    Published 2025-07-01
    “…Through the reaction between free fatty acid and copper soap staining solution to generate copper soap complex presenting indigo color, the relevant images were captured with a smartphone, and after standardized preprocessing, the appropriate color parameters were selected as the response values, and the model of the color response values and acid value was established by regression machine learning. …”
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    Article
  13. 2493

    Research of MIP-HCO Model Based on k-Nearest Neighbor and Branch-and-Bound Algorithms in Aerospace Emergency Launch Missions by Xiangzhe Li, Feng Zhan, Jinqing Huang, Yan Chen

    Published 2025-05-01
    “…KNN classification approximates scheduling quality, reducing B&B complexity and accelerating convergence. Results from simulation data and experimental simulations confirm that the KNN + B&B hybrid strategy optimizes scheduling efficiency, enabling launch systems to respond swiftly under emergencies while maximizing mission effectiveness.…”
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    Article
  14. 2494

    A model of digital literacy development in health care academics and the digital competency plexus by Barry Matthews

    Published 2025-07-01
    “…The discovered complex is either co-created with or limits the development of other areas of digital literacy. …”
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    Article
  15. 2495

    Suitability for processing of carrot (Daucus carota L.) roots of different varieties by О. В. Завадська, І. М. Бобось, Т. В. Дяденко

    Published 2013-02-01
    “…An evaluation of the tested roots for complex organoleptic characteristics has been completed. …”
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    Article
  16. 2496

    Driving Risk Field and Control Strategies for Autonomous Vehicles at a Signalized Intersection by Hui Xu, Jianping Wu

    Published 2023-01-01
    “…This research contributes to improving autonomous driving against complex driving conditions for driving safety and efficiency.…”
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    Article
  17. 2497

    RANDOM WALK HYPOTHESIS IN FINANCIAL MARKETS by Nicolae-Marius JULA, Nicoleta JULA

    Published 2017-05-01
    “…The increasing power of computing and the continuous development of econometric tests should give the potential investors new tools in selecting commodities and investing in efficient markets.…”
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    Article
  18. 2498

    Determination of the inter-repair cycle of production boreholes for underground uranium leaching by Yu. А. Arsentiev, A. P. Nazarov, N. V. Soloviev, D. А. Ivanov, А. G. Ivanov

    Published 2024-05-01
    “…This work is an attempt to analytically develop the main indicator of the duration of the overhaul cycle of the operation of technological wells to determine the frequency of repair and restoration work (RVR) depending on the intensity of the decline in the productivity of borehole in situ leaching (IIL) wells and the coefficient for selecting an effective type of complexes of technical means and technological methods for carrying out RVR.Materials and methods. …”
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  19. 2499

    Evaluation of a CNN model to map vegetation classification in a subalpine coniferous forest using UAV imagery by Weibo Shi, Xiaohan Liao, Shaoqiang Wang, Huping Ye, Dongliang Wang, Huanyin Yue, Jianli Liu

    Published 2025-07-01
    “…Overall, this study provides an efficient and cost-effective method for monitoring and protecting natural forests, serving as a reference for selecting appropriate parameters in UAV-based deep learning remote sensing.…”
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    Article
  20. 2500

    CAFiKS: Communication-Aware Federated IDS With Knowledge Sharing for Secure IoT Connectivity by Ogobuchi Daniel Okey, Demostenes Zegarra Rodriguez, Frederico Gadelha Guimaraes, Joao Henrique Kleinschmidt

    Published 2025-01-01
    “…In this paper, we introduce CAFiKS (Communication-Aware Federated Intrusion Detection System with Knowledge Sharing), a novel FL method designed to address the challenges of data heterogeneity, model complexity, and convergence rates. CAFiKS integrates knowledge sharing and parameter compression techniques to achieve a lightweight model that is both resource-efficient and adaptable to heterogeneous IoT settings. …”
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    Article