Showing 4,121 - 4,140 results of 11,103 for search 'features problems', query time: 0.13s Refine Results
  1. 4121

    Threshold-Optimized Swarm Decomposition Using Grey Wolf Optimizer for the Acoustic-Based Internal Defect Detection of Arc Magnets by Qinyuan Huang, Qiang Li, Maoxia Ran, Xin Liu, Ying Zhou

    Published 2021-01-01
    “…The frequency information in the two oscillatory components with the highest energy ratio is extracted as the internal defect features. Random forest is carried out to identify these features. …”
    Get full text
    Article
  2. 4122

    Construction of Knowledge Graph for Marine Diesel Engine Faults Based on Deep Learning Methods by Xiaohe Tian, Huibing Gan, Yanlin Liu

    Published 2025-03-01
    “…., expert systems, traditional machine learning) can hardly cope with the complex failure modes and dynamic operation environment due to the problems of relying on artificial features and insufficient generalization ability. …”
    Get full text
    Article
  3. 4123

    CFD-modeling of the temperature field of the radiator casing of the transmitting module of the active phased antenna arrays with air cooling by Yu. Nikolaenko, O. Baranyuk, S. Reva, V. Rohachov

    Published 2019-04-01
    “…The well-known circuit and technological principles for the creation of microstrip microwave multipliers are considered in the paper. The features, problems and shortcomings arising from their implementation are analyzed. …”
    Get full text
    Article
  4. 4124

    Research on Unsupervised Domain Adaptive Bearing Fault Diagnosis Method Based on Migration Learning Using MSACNN-IJMMD-DANN by Xiaoxu Li, Jiahao Wang, Jianqiang Wang, Jixuan Wang, Qinghua Li, Xuelian Yu, Jiaming Chen

    Published 2025-07-01
    “…To address the problems of feature extraction, cost of obtaining labeled samples, and large differences in domain distribution in bearing fault diagnosis on variable operating conditions, an unsupervised domain-adaptive bearing fault diagnosis method based on migration learning using MSACNN-IJMMD-DANN (multi-scale and attention-based convolutional neural network, MSACNN, improved joint maximum mean discrepancy, IJMMD, domain adversarial neural network, DANN) is proposed. …”
    Get full text
    Article
  5. 4125

    NDEExplorer: Visual Analytics for Exploring Damage Modes via Multimodal Data in the Non-Destructive Examination of Composite Materials by Dongliang Guo, Lisha Zhou, Xingfa Luo

    Published 2025-01-01
    “…Therefore, we propose a visual analytics system, NDEExplorer, aimed at solving these problems through visual analytics techniques. The system supports the use of two NDE methods, Acoustic Emission (AE) and Digital Image Correlation (DIC), providing interactive and intuitive views for observing composite material damage features. …”
    Get full text
    Article
  6. 4126

    Organization of competitive classes on preschoolers’ perception of fiction: reading, discussions, additional activities by Elena V. Shakirova

    Published 2025-02-01
    “…Perception of fiction is one of the types of children’s activities that allows solving problems of speech, social and communicative, cognitive, artistic and aesthetic development of the child. …”
    Get full text
    Article
  7. 4127
  8. 4128

    3-D Model Extraction Network Based on RFM-Constrained Deformation Inference and Self-Similar Convolution for Satellite Stereo Images by Wen Chen, Hao Chen, Shuting Yang

    Published 2024-01-01
    “…Inspired by the implicit relationship between 2-D image features and 3-D shapes, we construct a 2-D–3-D mapping relationship to mine the depth features of remote-sensing images by incorporating the RFM. …”
    Get full text
    Article
  9. 4129

    Dynamic topology adaptability of adaptive multimodal transmission strategy based on environment perception in multi-hop routing of 5G vehicle network by Shengxia Tan, Xianshuang Zong, Feng Xiao

    Published 2025-04-01
    “…Then, graph sample and aggregation (GraphSAGE) is used to process the network topology and extract node and edge features of the data. The features are input into gated recurrent unit (GRU) for time series modeling to predict the link node movement pattern. …”
    Get full text
    Article
  10. 4130

    A method for mining over-limit patterns of low voltage in users based on hierarchical affinity propagation clustering by SHEN Shuhao, ZHONG Qing, XU Zhong, WANG Gang, LI Haifeng, WANG Longjun

    Published 2025-01-01
    “…Then, four indices are defined from two aspects of the duration and amplitude to characterize the features of the clusters. The features of the over-limit patterns are then drived by calculating the indices for each cluster. …”
    Get full text
    Article
  11. 4131

    Legal Regulation of the Provision of Inter-Budgetary Subsidies by V. B. Bashurov

    Published 2022-12-01
    “…The purpose of the study is to consider the concept of “subsidy”, to determine the main features inherent in this legal category, to analyze inter-budgetary subsidies on their basis, to identify problems in the legal implementation of these inter-budgetary transfers, to develop proposals for their legislative resolution, to present the Author's definition of the concept of “inter-budgetary subsidies”. …”
    Get full text
    Article
  12. 4132

    MAOOA‐Residual‐Attention‐BiConvLSTM: An Automated Deep Learning Framework for Global TEC Map Prediction by Haoran Wang, Haijun Liu, Jing Yuan, Huijun Le, Weifeng Shan, Liangchao Li

    Published 2024-07-01
    “…Abstract The high‐precision prediction of total ionospheric electron content (TEC) is of great significance for improving the accuracy of global navigation satellite systems. There are two problems with the current prediction of TEC: (a) The existing TEC prediction models mainly based on stacked structure, which has insufficient predictive ability when the network has fewer layers, and loss of fine‐grained features when there are more layers, resulting in a decrease in predictive performance; (b) The existing research on ionospheric TEC prediction mainly focuses on building deep learning prediction models, while there is little research on optimizing the hyper‐parameters of TEC prediction models. …”
    Get full text
    Article
  13. 4133

    Autistic Sensory Traits and Psychological Distress: Mediating Role of Worry and Intolerance of Uncertainty by Patricia Recio, Pilar Pozo, Cristina García-López, Encarnación Sarriá

    Published 2024-10-01
    “…Background/Objectives: Autistic adults exhibit core and comorbid features that can have an impact on their daily functioning and lead to considerable psychological distress. …”
    Get full text
    Article
  14. 4134

    An open source code for modeling radio wave propagation in earth’s ionosphere by Alexander Green, William J. Longley, Meers M. Oppenheim, Matthew A. Young

    Published 2025-02-01
    “…The FDTD method directly solves Maxwell’s equations and captures all features of electromagnetic propagation, including the effects of polarization and finite-bandwidth wave packets. …”
    Get full text
    Article
  15. 4135

    Analysis of antibiotic usage in Bulgarian hospitals and development of antibiotic stewardship software solution to improve the implementation of local antibiotic stewardship polici... by Natalia Konova, Andrey Petrov, Emil Gatchev

    Published 2024-12-01
    “…AIM: Analysis of antimicrobials usage problems in Bulgarian hospitals and development of antibiotic stewardship software solution to improve implementation of local antibiotic stewardship policies and fight antimicrobial resistance (AMR) on a national level. …”
    Get full text
    Article
  16. 4136

    Citrus Disease Classification Model Based on Improved ConvNeXt by Jichi Yan, Yongbin Mo, Yannan Yu, Shiqing Dou, Rongfeng Yang

    Published 2024-01-01
    “…Secondly, the multi-scale feature fusion module is incorporated to improve the model’s adaptability to disease features at different scales and improve the network classification performance. …”
    Get full text
    Article
  17. 4137

    Generalized MPC-DSVPWM Methods: Reduction Techniques and Explainable Machine Learning With Conformal Prediction for PMSM Drives by Hasan Ali Gamal Al-Kaf, Sadeq Ali Qasem Mohammed, Kyo-Beum Lee

    Published 2025-01-01
    “…Moreover, ANNs lack explainability in choosing optimal features and confidence in their predictions. To solve the above mentioned problems. …”
    Get full text
    Article
  18. 4138

    A common cortical circuit mechanism for perceptual categorical discrimination and veridical judgment. by Feng Liu, Xiao-Jing Wang

    Published 2008-12-01
    “…Perception involves two types of decisions about the sensory world: identification of stimulus features as analog quantities, or discrimination of the same stimulus features among a set of discrete alternatives. …”
    Get full text
    Article
  19. 4139

    Application of texture analysis of CT and MR images to determine the histologic grade of hepatocellular cancer and it’s differential diagnosis: a review by M. Yu. Shantarevich, G. G. Karmazanovsky

    Published 2022-09-01
    “…In recent years, more foreign publications are devoted to the use of texture analysis or radiomics in solving certain diagnostic problems, including the diagnosis of hepatocellular cancer (HCC). …”
    Get full text
    Article
  20. 4140