Search alternatives:
method » methods (Expand Search)
Showing 641 - 660 results of 1,626 for search 'frequency machine method', query time: 0.13s Refine Results
  1. 641

    The occurrence of and risk factors for depressive symptomatology in myocarditis survivors: a cross-sectional survey-based study using machine learning by Jean Marrero-Polanco, Laura Suarez Pardo, Shehzad K. Niazi, Daniel G. Smith, Cynthia J. Stoppel, Candace Moose, Arjun P. Athreya, Arjun P. Athreya, Leslie T. Cooper, Leslie T. Cooper, William V. Bobo

    Published 2025-04-01
    “…BackgroundThe frequency and impact of depressive symptoms in myocarditis survivors are poorly understood.ObjectivesWe conducted a cross-sectional study to identify risk factors and the relative importance of each for predicting clinically significant depressive symptomatology in myocarditis survivors.MethodsParticipants completed an electronic survey assessing sociodemographic, general health, and myocarditis-related variables, as well as self-reported cardiac symptoms and personal and family mental health history. …”
    Get full text
    Article
  2. 642

    Penerapan SMOTE untuk Mengatasi Imbalance Class dalam Klasifikasi Kepribadian MBTI Menggunakan Naive Bayes Classifier by Mutiara Persada Pulungan, Andi Purnomo, Aliyah Kurniasih

    Published 2024-10-01
    “…Additionally, the Term Frequency-Inverse Document Frequency (TF-IDF) method is used to extract important features from text. …”
    Get full text
    Article
  3. 643

    Fault Diagnosis Method for Open-circuit Faults in NPC Three-level Inverter based on WKCNN by Guozheng Zhang, Menghui Li, Xin Gu, Wei Chen

    Published 2025-06-01
    “…Experimental results under various operating conditions demonstrate that this approach maintains robust diagnostic accuracy across multiple fault scenarios, with comparative analysis further confirming its advantages in diagnostic efficiency and performance over traditional machine learning and other deep learning methods.…”
    Get full text
    Article
  4. 644

    Implementation Method of GEO and LEO Satellite Tracking Compatible Flat-Plate Antenna by Jian CHEN, Zhengqian ZHANG, Xinsheng MA, Ting CHAO, Gangtao GUO

    Published 2022-12-01
    “…In order to improve the portability, disassembly and usability of the satellite communication antenna products in the fi eld, a GEO and LEO satellite tracking compatible fl at-plate antenna implementation method was proposed, the micro strip array antenna was integrated with the radio frequency channel, and the radio frequency of the antenna was fl at and integrated, combined with the high density multi-layer vertical interconnection technology, the whole machine was small in size, light in weight and low in power consumption, and the tracking control unit could satisfi ed the requirements of GEO Beacon and carrier tracking, also could satisfi ed the LEO analysis and the program guidance tracking.The antenna did not need manual assembly and disassembly, and could be used for satellite communication with onebutton deployment.high-precision tracking and stable communication could be achieved for GEO, MEO and LEO satellite.…”
    Get full text
    Article
  5. 645

    Comparing Machine Learning-Based Crime Hotspots Versus Police Districts: What’s the Best Approach for Crime Forecasting? by Eugenio Cesario, Paolo Lindia, Andrea Vinci

    Published 2025-01-01
    “…However, traditional spatial partitioning approaches, which divide cities into predefined police districts based on geographic and operational considerations, often fail to account for variations in crime patterns. In contrast, machine learning-based approaches could dynamically adapt to areas with differing crime frequencies and densities, making them particularly effective in cities characterized by diverse population distributions and crime activity levels. …”
    Get full text
    Article
  6. 646

    Chronic stress in practice assistants: An analytic approach comparing four machine learning classifiers with a standard logistic regression model. by Arezoo Bozorgmehr, Anika Thielmann, Birgitta Weltermann

    Published 2021-01-01
    “…<h4>Methods</h4>We applied four machine learning classifiers (random forest, support vector machine, K-nearest neighbors', and artificial neural network) and logistic regression as standard approach to analyze factors contributing to chronic stress in practice assistants. …”
    Get full text
    Article
  7. 647

    BEARING FAULT DIAGNOSIS METHOD BASED ON WINGER DISTRIBUTION AND SINGULAR VALUE DECOMPOSITION by QIN HongMao, SUN JiaBing, SUN Ning

    Published 2015-01-01
    “…Firstly,winger distribution is applied to analyze the original vibration signal,then,analysis to winger spectral matrix based on singular value decomposition is conducted,and characteristic sequences which reflect the mechanical fault state is achieved,finally,taking the singular value of winger spectral as eigenvector to do the fault diagnosis with Support Vector Machine( SVM). The experimental results show that this method can effectively extract fault features.…”
    Get full text
    Article
  8. 648

    Risk Analysis on FGH Terminal Using Importance Index and Bowtie Analysis Methods by Mirga Maulana Rachmadhani, Mardhiah Gani, Aprisa Rian Histiarini, Oki Febiyani Amalia Tuankotta

    Published 2025-02-01
    “…Risk analysis using the Importance Index (IMPI) method is carried out to assess risks by calculating the Frequency Index and Severity Index values, identifying the causes and consequences of risks that are classified as significant, analyzing the causes and impacts of risks and preventive actions and recovery actions from existing risks, and then will be described in a bowtie diagram. …”
    Get full text
    Article
  9. 649

    Multiple-Fault Diagnosis Method Based on Multiscale Feature Extraction and MSVM_PPA by Min Zhang, Zhenyu Cai, Wenming Cheng

    Published 2018-01-01
    “…In this paper, a novel method called multiscale feature extraction (MFE) and multiclass support vector machine (MSVM) with particle parameter adaptive (PPA) is proposed. …”
    Get full text
    Article
  10. 650

    Inverse-design topology optimization of magnonic devices using level-set method by Andrey A. Voronov, Marcos Cuervo Santos, Florian Bruckner, Dieter Suess, Andrii V. Chumak, Claas Abert

    Published 2025-05-01
    “…Abstract The inverse design approach in magnonics exploits the wave nature of magnons and machine learning to develop logical devices with functionalities that exceed the capabilities of analytical methods. …”
    Get full text
    Article
  11. 651
  12. 652

    Advances in Infant Cry Paralinguistic Classification—Methods, Implementation, and Applications: Systematic Review by Geofrey Owino, Bernard Shibwabo

    Published 2025-04-01
    “…ResultsNotable advancements in infant cry classification methods were realized, particularly from 2019 onward, using machine learning, deep learning, and hybrid approaches. …”
    Get full text
    Article
  13. 653

    Vibration, current, torque, RPM dataset for multiple fault conditions in industrial-scale electric motors under randomized speed and load variationsMendeley DataMendeley DataMendel... by Wonho Jung, Junho Kim, Kangmin Jang, Sung-Hyun Yun, Daeguen Lim, Minje Jin, Yong-Hwa Park

    Published 2025-10-01
    “…The dataset was collected to support the development and validation of data-driven fault detection methods across diverse mechanical and electrical systems. …”
    Get full text
    Article
  14. 654

    A Micro-Topography Enhancement Method for DEMs: Advancing Geological Hazard Identification by Qiulin He, Xiujun Dong, Haoliang Li, Bo Deng, Jingsong Sima

    Published 2025-03-01
    “…Geological hazards in densely vegetated mountainous regions are challenging to detect due to terrain concealment and the limitations of traditional visualization methods. This study introduces the LiDAR image highlighting algorithm (LIHA), a novel approach for enhancing micro-topographical features in digital elevation models (DEMs) derived from airborne LiDAR data. …”
    Get full text
    Article
  15. 655

    The determination of optimal cells disintegration method of Candida albicans and Candida tropicalis fungals by M. V. Rybalkyn

    Published 2014-08-01
    “…Many researchers to highlight cytoplasm antigens and all the other layers of the cell use the following methods: grinding cells with quartz sand, destroying them in different machine disintegrating, freezing and thawing a multi others. …”
    Get full text
    Article
  16. 656

    Prediction of traditional Chinese medicine for diabetes based on the multi-source ensemble method by Bin Yang, Qingyun Chi, Xiang Li, Jinglong Wang

    Published 2025-01-01
    “…IntroductionTraditional Chinese medicine (TCM) prescriptions are generally formulated by experienced TCM researchers based on their expertise and data statistical methods.MethodsIn order to predict TCM formulas for diabetes more accurately, this paper proposes a novel multi-source ensemble prediction method that combines machine learning ensemble techniques and multi-source data. …”
    Get full text
    Article
  17. 657

    Experimental Study on a New Reinforcement Method for Multilayer Industrial Building’s Vibration by Kaizhong Xie, Hongwei Wang, Jianxi Zhou, Xiao Luo, Miao Yue

    Published 2019-01-01
    “…The results show that the new reinforcement method has a good reinforcement effect. Strength and stiffness of multilayer industrial building were obviously improved, and natural frequency of industrial building in the length direction increased from 2.45 Hz to 5.87 Hz, natural frequency of industrial building in the width direction increased from 2.94 Hz to 7.83 Hz, frequencies of machines and frequencies of multilayer industrial building were not in resonance range, acceleration and velocity vibration characteristics of multilayer industrial building were improved, which can provide reference for the reinforcement of multilayer industrial building with a similar structural configuration.…”
    Get full text
    Article
  18. 658

    Stability analysis method of high-speed milling considering feed rate influence by HAN Chentong, GUO Miaoxian, JIANG Xiaohui, WEI Shouheng, LUO Shijin

    Published 2025-03-01
    “…The results show that the proposed method can determine milling stability more accurately for high-speed machining with small radial cutting depth. …”
    Get full text
    Article
  19. 659

    A Numerical-Experimental Method for Drop Impact Analysis of Composite Landing Gear by Yongliang Guan, Zhipeng Xue, Ming Li, Hongguang Jia

    Published 2017-01-01
    “…An experimental modal analysis is employed to predict the linear parameters with a frequency response function, and the nonlinear parameters caused by large deflection are identified by a nonlinear static test with the nonlinear least squares method. …”
    Get full text
    Article
  20. 660