Showing 1,581 - 1,600 results of 1,626 for search 'frequency machine methods', query time: 0.11s Refine Results
  1. 1581
  2. 1582

    Research of Impact by Mechanical Device on Winter Wheat Seeds by V. P. Zabrodin, A. F. Butenko, M. V. Sukhanova, S. M. Cheptsov

    Published 2018-04-01
    “…Problems of seed damage have become important in connection with the use of machines at all stages of harvesting and processing of crops. …”
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    Article
  3. 1583

    Optimal Forecast Combination for Japanese Tourism Demand by Yongmei Fang, Emmanuel Sirimal Silva, Bo Guan, Hossein Hassani, Saeed Heravi

    Published 2025-05-01
    “…This study introduces a novel forecast combination method for monthly Japanese tourism demand, analyzed at both aggregated and disaggregated levels, including tourist, business, and other travel purposes. …”
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    Article
  4. 1584

    Normal physiologic coronary flow velocity gradient across the left anterior descending artery in healthy asymptomatic subjects by Fausto Rigo, Veronica Spadotto, Roberto Settimo Fattore, Pietro Renda, Christian Cugini, Maurizio Agnoletto

    Published 2023-08-01
    “…Resting CFV in the LAD was assessed with high-end machines, dedicated coronary pre-set, and high-frequency transducers by pulsed-wave Doppler under color-Doppler guidance in the proximal, mid, and distal segments. …”
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    Article
  5. 1585

    Improving Automatic Coronary Stenosis Classification Using a Hybrid Metaheuristic with Diversity Control by Miguel-Angel Gil-Rios, Ivan Cruz-Aceves, Arturo Hernandez-Aguirre, Martha-Alicia Hernandez-Gonzalez, Sergio-Eduardo Solorio-Meza

    Published 2024-10-01
    “…In consequence, feature selection frequencies tend to be more uniform, decreasing the probability of premature convergent results and local-optima solutions. …”
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    Article
  6. 1586

    Intelligent algorithm-based model for predicting mass transfer performance in CO2 absorption within a rotating packed bed by Wei Zhang, Hao Chen, Ke Huang, Xing Shu, Cheng Fu, Bin Huang

    Published 2025-09-01
    “…Moreover, the occurrence of suspected data points is found to be minimal, with frequencies of 0.64 %, 3.8 %, and 1.28 % for the GA-LSSVM, PSO-LSSVM, and HGAPSO-LSSVM models, respectively. …”
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    Article
  7. 1587

    Enhancing Acoustic Leak Detection with Data Augmentation: Overcoming Background Noise Challenges by Deniz Quick, Jens Denecke, Jürgen Schmidt

    Published 2025-06-01
    “…With this method, detection accuracies of over 95% with a false alarm rate under 2% can be achieved on a test dataset under the background noises of hydraulic machines in laboratory conditions.…”
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    Article
  8. 1588

    Suppressing Milling Chatter of Thin-Walled Parts by Eddy Current Dampers by Junming Hou, Baosheng Wang, Hongyan Hao

    Published 2023-01-01
    “…One effective method to mitigate these vibrations is by using a damper, which can enhance machining accuracy, surface finish, and tool life. …”
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    Article
  9. 1589

    Robust and Adaptive Tuning of PI Current Controllers for Grid-Forming Inverters by Florian Reisner, George Weiss

    Published 2025-01-01
    “…To enable automatic tuning online, we employ a method for measuring the grid impedance by injecting a small probing current into the grid, at a frequency that is close but different from the grid frequency.…”
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    Article
  10. 1590

    Dreaming of a good night's sleep: a quality improvement project on improving length and quality of sleep in hospitals by Arbi Hasanaj, Emma Turner, Matthew Wateridge, Jas Virdee

    Published 2025-06-01
    “…Materials and methods: The study assessed whether structured sleep interventions could increase sleep duration and quality in hospitalised patients. …”
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    Article
  11. 1591

    Numerical Modal Analysis of Vibrations in a Three-Phase Linear Switched Reluctance Actuator by José Salvado, Maria do Rosário Calado, António Espírito Santo, Anna Guerman

    Published 2017-01-01
    “…We build the 3D model of the actuator and use finite element method (FEM) to find its natural frequencies. The focus is on frequencies within the range up to nearly 1.2 kHz which is considered relevant, based on preliminary simulations and experiments. …”
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    Article
  12. 1592

    Reveal the mechanism of brain function with fluorescence microscopy at single-cell resolution: from neural decoding to encoding by Kangchen Li, Huanwei Liang, Jialing Qiu, Xulan Zhang, Bobo Cai, Depeng Wang, Diming Zhang, Bingzhi Lin, Haijun Han, Geng Yang, Zhijing Zhu

    Published 2025-05-01
    “…For decoding models, we compared linear and nonlinear methods, including independent component analysis, random forests, and support vector machines, highlighting their capabilities to reveal the intricate mapping between neural activity and behavior. …”
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    Article
  13. 1593

    Comprehensive analysis of regulatory B Cell related genes in prognosis and therapeutic response in lung adenocarcinoma by Liangyu Zhang, Liangyu Zhang, Jianshen Zeng, Jianshen Zeng, Xun Zhang, Xun Zhang, Menglong Zhang, Menglong Zhang, Yilin Lin, Yilin Lin, Fancai Lai, Fancai Lai

    Published 2025-07-01
    “…This study seeks to investigate the roles of Breg-associated genes in the context of LUAD.MethodsConsensusClusterPlus package was used to characterize LUAD patients into two clusters. …”
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    Article
  14. 1594

    Control system and process optimization for electroless nickel plating by Yingtai Qiao, Jian Hou, Min Lai, Fengzhou Fang

    Published 2025-06-01
    “…A novel method based on mid-frequency vibration is proposed to eliminate coating defects such as bubbles during electroless nickel plating. …”
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    Article
  15. 1595

    Residual Vibration Reduction in Flexible Systems Based on Trapezoidal Velocity Profiles by Xining Cui, Yi Fang, Chaochen Gu

    Published 2025-02-01
    “…This study proposes a closed-form trajectory optimization method for vibration suppression based on trapezoidal velocity profiles, which are most widely used in industrial robots and machines. …”
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    Article
  16. 1596

    Two-dimensional cooling without repump laser beams through ion motional heating by Yue Xiao, Yongxu Peng, Linfeng Chen, Chunhui Li, Zongao Song, Xin Wang, Tao Wang, Yurun Xie, Bin Zhao, Tiangang Yang

    Published 2024-12-01
    “…This work provides a robust method to control micromotion velocity of ions and demonstrates the potential of micromotion-assisted laser cooling to simplify setups for systems requiring multiple repumping frequencies.…”
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    Article
  17. 1597

    Metabolic profiles in laryngeal cancer defined two distinct molecular subtypes with divergent prognoses by Dan Zheng, Dan Zheng, Xuan Pu, Xuan Pu, XuHui Deng, XuHui Deng, Cui Liu, Cui Liu, SiJun Li, SiJun Li

    Published 2025-05-01
    “…Specifically, the LCA1 subtype exhibited better prognosis, enriched metabolic pathways, and higher mutation frequencies. Notably, significant damaging mutations in the methyltransferases NSD1 were observed in this subtype. …”
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    Article
  18. 1598

    Application of artificial intelligence in the health management of chronic disease: bibliometric analysis by Mingxia Pan, Mingxia Pan, Rong Li, Junfan Wei, Huan Peng, Ziping Hu, Yuanfang Xiong, Na Li, Yuqin Guo, Weisheng Gu, Hanjiao Liu, Hanjiao Liu

    Published 2025-01-01
    “…Hoping our findings will serve as a useful reference for guiding further research and fostering the effective application of AI in healthcare.MethodsThe Web of Science Core Collection database was utilized as the source. …”
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    Article
  19. 1599

    Construction and simulation of fiber optic stress wave sensing system based on wavelet packet-lamb wave damage imaging by X.L. Li, F. Liu, Q.N. Hui

    Published 2025-02-01
    “…The imaging principle of wavelet packet decomposition was selected to avoid losing low-frequency information. The experiment demonstrated that compared to the original method in view of time correlation coefficient, the method used in this study improved the signal-to-noise ratio of damaged images by 1.0112 dB, higher accuracy, better imaging quality, and more pronounced output images. …”
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    Article
  20. 1600

    Justifying the Operation Parameters of a Robotic Cassette Loading Device of the Carousel Type for a Selection Seeder by Andrey S. Chulkov, Mikhail E. Chaplygin, Marsel’ M. Shaykhov

    Published 2024-12-01
    “…The development and implementation of automated and robotic machines and devices for performing works on selection and seed production of grain and other crops creates conditions for increasing productivity and reducing labor intensity of work and contributes to increasing the production volume of domestic crop seeds. …”
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    Article