Search alternatives:
decomposition » composition (Expand Search)
Showing 1,821 - 1,840 results of 1,939 for search 'model decomposition methods', query time: 0.13s Refine Results
  1. 1821

    POSSIBILITIES OF INCREASING THE EFFICIENCY OF PYROTECHNICAL GENERATORS OF ICE-FORMING AEROSOL by A. G. Shilin, B. M. Khuchunaev

    Published 2022-07-01
    “…In this work, the ways of increasing the efficiency of existing pyrotechnic generators and means of active influence are investigated. Materials and methods of the research. Laboratory experiments were carried out on the physical modeling of the combustion processes of pyrotechnic compositions under the inluence of various conditions. …”
    Get full text
    Article
  2. 1822

    Incorporating Wind Power Generation And Demand Response into Security-Constrained Unit Commitment by M.H. Hemmatpour, E. Zarei, M. Mohammadian

    Published 2018-12-01
    “…Demand includes the fixed and responsive loads, and the volatile nature of wind power is modeled. Responsive loads can be curtailed or shifted to another off peak hours. …”
    Get full text
    Article
  3. 1823

    Burden of cataracts in developing countries: a trend analysis based on data from China, 1990 to 2021 by Cancan Zhang, Pingping Li, Lurun Yu, Lu Li

    Published 2025-04-01
    “…Joinpoint regression, decomposition analysis, and ARIMA modeling were employed to analyze trends and predict future disease burden.ResultsFrom 1990 to 2021, the number and crude rate for cataract related blindness and visual impairment increasing significantly in China. …”
    Get full text
    Article
  4. 1824

    Exploring Global Interest in Propolis, Nanosilver, and Biomaterials: Insights and Implications for Dentistry from Big Data Analytics by Magdalena Sycińska-Dziarnowska, Liliana Szyszka-Sommerfeld, Krzysztof Woźniak, Gianrico Spagnuolo

    Published 2025-06-01
    “…Search data were extracted, normalized, and analyzed using multivariate time series methods, including vector autoregression (VAR) modeling, Impulse Response Function (IRF) analysis, and forecast error variance decomposition (FEVD). …”
    Get full text
    Article
  5. 1825
  6. 1826

    Enhanced Fetal Arrhythmia Classification by Non-Invasive ECG Using Cross Domain Feature and Spatial Differences Windows Information by Gede Angga Pradipta, Putu Desiana Wulaning Ayu, Made Liandana, Dandy Pramana Hostiadi

    Published 2025-01-01
    “…With further development, this method is expected to serve as a foundational model for the advancement of diagnostic tools for physicians.…”
    Get full text
    Article
  7. 1827

    Semiconductor Wafer Flatness and Thickness Measurement Using Frequency Scanning Interferometry Technology by Weisheng Cheng, Zexiao Li, Xuanzong Wu, Shuangxiong Yin, Bo Zhang, Xiaodong Zhang

    Published 2025-06-01
    “…To this end, this paper proposes a high-precision facet reconstruction method for SiC/Si structures, which combines harmonic spectral domain decomposition, refractive index gradient constraints, and partitioning optimization strategy, and introduces interferometric signal “oversampling” and weighted fusion of multiple sets of data to effectively suppress higher-order harmonic interferences, and to enhance the accuracy of phase resolution. …”
    Get full text
    Article
  8. 1828

    Phase-Controlled Closing Strategy for UHV Circuit Breakers with Arc-Chamber Insulation Deterioration Consideration by Hao Li, Qi Long, Xu Yang, Xiang Ju, Haitao Li, Zhongming Liu, Dehua Xiong, Xiongying Duan, Minfu Liao

    Published 2025-07-01
    “…Compared with the machine learning method, this algorithm has stronger generalization ability, effectively overcoming the defects of difficult interpretation of physical causes and the poor engineering adaptability of the black box model.…”
    Get full text
    Article
  9. 1829
  10. 1830

    Analysis of key factors and equity in influenza vaccination among Chinese adults-evidence from a large national cross-sectional survey by Bo Dong, Hengxuan Xu, Ning Tang, Menghan Jiang, Zhihao Lei, Zhihao Lei, Yue Han

    Published 2025-06-01
    “…Subsequently, the importance of influencing factors was assessed through a random forest model, with LASSO used for variable selection. Following this, weighted logistic regression analysis was applied to quantify the significant influencing factors. …”
    Get full text
    Article
  11. 1831

    A Novel Open Circuit Fault Diagnosis for a Modular Multilevel Converter with Modal Time-Frequency Diagram and FFT-CNN-BIGRU Attention by Ziyuan Zhai, Ning Wang, Siran Lu, Bo Zhou, Lei Guo

    Published 2025-06-01
    “…To solve this problem, an intelligent diagnosis method is proposed to integrate the modal time–frequency diagram and FFT-CNN-BiGRU-Attention. …”
    Get full text
    Article
  12. 1832

    Enhanced “Wind‐Evaporation Effect” Drove the “Deep‐Tropical Contraction” in the Early Eocene by Zikun Ren, Tianjun Zhou, Zhun Guo, Meng Zuo, Linqiang He, Xiaolong Chen, Lixia Zhang, Bo Wu, Wenmin Man

    Published 2024-10-01
    “…Based on the energetics framework of the Intertropical Convergence Zone (ITCZ) and the decomposition method of the latent heat flux along with the simulations of a climate system model, CESM1.2, we proposed a novel mechanism responsible for the “deep‐tropical contraction” in the early Eocene. …”
    Get full text
    Article
  13. 1833

    Dynamic Relationship between the Iranian Stock Market and Commodity Markets: A TVP-VAR Approach and Portfolio Optimization by Hadi Esmaeilpour, Emad Sharifbagheri

    Published 2025-06-01
    “…This study employs the Time-Varying Parameter Vector Autoregression (TVP-VAR) model to investigate the dynamic relationships among various commodity markets—including copper, aluminum, nickel, tin, zinc, lead, gold, and crude oil—and the Iranian stock market over the period from June 16, 2014, to May 21, 2024. …”
    Get full text
    Article
  14. 1834

    Multi-objective optimization for smart cities: a systematic review of algorithms, challenges, and future directions by YiFan Chen, Weng Howe Chan, Eileen Lee Ming Su, Qi Diao

    Published 2025-07-01
    “…Existing algorithms are organised into four families—bio-inspired, mathematical theory-driven, physics-inspired, and machine-learning-enhanced—and benchmarked for computational efficiency, scalability, and scenario suitability across six urban domains: infrastructure, energy, transportation, Internet of Things (IoT)/cloud systems, agriculture, and water management. While established methods such as Non-dominated Sorting Genetic Algorithm II (NSGA-II) and Multiobjective Evolutionary Algorithm based on Decomposition (MOED/D) remain prevalent, hybrid frameworks that couple deep learning with evolutionary search display superior adaptability in high-dimensional, dynamic environments. …”
    Get full text
    Article
  15. 1835

    The global prevalence of complete hearing loss in 204 countries and territories from 1992 to 2021: a systematic analysis for the global burden of disease study 2021 by Guan-Jiang Huang, Zhi-Jun Fan, Biao-Qing Lu

    Published 2025-04-01
    “…We analyzed temporal trends in ASPR using Joinpoint regression, evaluated the contributions of age, period, and cohort effects through Age-Period-Cohort modeling, and performed decomposition analysis to determine the impact of demographic and epidemiological changes on prevalence trends. …”
    Get full text
    Article
  16. 1836

    Effects of rotation corn on potato yield, quality, and soil microbial communities by Zhicheng Zhang, Zhicheng Zhang, Jiying Sun, Dan Wang, Tuanrong Lin, Yuhe Yin, Wei Wang, Yufeng Wang, Zhen Wang, Longqiu Fan, Xinlei Jiao

    Published 2025-04-01
    “…On this basis, we have conducted an in-depth exploration of the effects of the potato-maize rotation system on the structure and diversity of the soil microbial community, aiming to analyze the internal correlation mechanism between the structure of the soil microbial community and the yield and quality of crops.MethodsThis study was based on fields that had been under potato monoculture for five years and established six experimental treatments: potato-potato-potato (IR-A), potato-maize-potato (IR-B), potato-maize-maize (IR-C), potato-potato-potato (RF-A), potato-maize-potato (RF-B), and potato-maize-maize (RF-C).ResultsThe results showed that under the IR planting model, IR-B significantly increased potato yield and vitamin C content while reducing reducing sugar content compared to IR-A (p < 0.05). …”
    Get full text
    Article
  17. 1837
  18. 1838

    An analysis of the global, regional, and national burden of blindness and vision loss between 1990 and 2021: the findings of the Global Burden of Disease Study 2021 by Lijuan Que, Qin Zhu, Chun Jiang, Qianyi Lu

    Published 2025-04-01
    “…Future trends in age-standardized prevalence rates (ASPR) and age-standardized YLDs rates (ASYR) were projected using Bayesian age–period–cohort modeling.ResultsBetween 1990 and 2021, global YLDs due to BVL more than doubled, increasing from 14.31 to 29.16 million. …”
    Get full text
    Article
  19. 1839

    Comprehensive Analysis of Trends in Ocean Surface Current by Delineating Kuroshio Extent Using an Optimized Segmentation Algorithm by Mohammed Abdul Athick A.S., Shih-Yu Lee, Chian-Yi Liu

    Published 2024-01-01
    “…Regarding computational efficiency, Detecting Breakpoints and Estimating Segments in Trend (DBEST) and Wavelet Transform (WT) outperformed the other methods. Ensemble Empirical Mode Decomposition (EEMD) and Seasonal Trend Loess (STL) have similar levels of efficiency. …”
    Get full text
    Article
  20. 1840

    Status assessment and management strategy of a large bridge based on massive real time data by Feng Zhou, Zhihao Cui

    Published 2024-12-01
    “…Using a domestic long-span suspension bridge as a case study, the bridge beam is conceptualized as a multi-degree-of-freedom structure, allowing for the application of linear structural vibration mode decomposition methods. During the on-site load testing, a structural health monitoring system is employed to collect real-time data, which facilitates the calculation of deflection and strain values for each control section under static load conditions. …”
    Get full text
    Article