Showing 661 - 680 results of 1,089 for search 'dynamic issues parameter', query time: 0.17s Refine Results
  1. 661

    Channel attention pyramid network for remote physiological measurement by Jing Zhang, Haixin Sun, Yuhao Hu, Guanghao Zhu, Fang Liu, Boyun Yan, Jiahao Pu, Xiaohui Du, Juanxiu Liu, Lin Liu, Ruqian Hao, Xingguo Wang, Yong Liu

    Published 2025-07-01
    “…Abstract Remote photoplethysmography (rPPG) is an emerging contactless physiological parameter detection method utilizing cameras, showing great promise as a forefront technology for remote health assessment. …”
    Get full text
    Article
  2. 662

    Application of Modern Machine Diagnostic Systems to Improve Safety in the Underground Mining Process by Trzop Konrad, Kuric Ivan, Brodny Jarosław, Tutak Magdalena

    Published 2024-12-01
    “…Currently used machine diagnostic systems are based on very modern solutions based on the acquisition and recording of their operating parameters in real time. Increasingly available and high-tech sensor systems mean that the number of recorded parameters is increasing and their quality is improving. …”
    Get full text
    Article
  3. 663

    STar-DETR: A Lightweight Real-Time Detection Transformer for Space Targets in Optical Sensor Systems by Yao Xiao, Yang Guo, Qinghao Pang, Xu Yang, Zhengxu Zhao, Xianlong Yin

    Published 2025-02-01
    “…First, the improved MobileNetv4 (IMNv4) backbone network is developed to significantly reduce the model’s parameters and computational complexity. Second, group shuffle convolution (GSConv) is incorporated into the efficient hybrid encoder, which reduces convolution parameters while facilitating information exchange between channels. …”
    Get full text
    Article
  4. 664

    KFESO-based composite anti-disturbance control for distributed cooperative path following of unmanned surface vehicles by Haoyu CHEN, Haixiang XU, Xiao WEI, Jian WANG, Wei CHEN

    Published 2025-02-01
    “…Furthermore, a kinetic anti-disturbance controller is designed using the backstepping method and the dynamic surface control technique. The Lyapunov stability theory is employed to prove that all error signals in the control system are uniformly ultimately bounded. …”
    Get full text
    Article
  5. 665

    Influence of material orientation, loading angle, and single-shot repetition of laser shock peening on surface roughness properties by Lebogang Lebea, Lebogang Lebea, Dawood Desai, Harry Ngwangwa, Fulufhelo Nemavhola

    Published 2024-11-01
    “…A numerical model is developed using the commercial finite elements software in ABAQUS/Explicit for simulating dynamic conditions. The aim of the study is to develop surface roughness parameters using computational methods such as studies have not yet been contemplated. …”
    Get full text
    Article
  6. 666

    Influence of vibratory stimuli on postural muscle tone adjustments and sensation of discomfort in seated posture by Salim ZENASNI, Erick DOUSSET, Mitsuko ARAMAKI, Richard KRONLAND-MARTINET, Sølvi YSTAD, Jocelyn MONNOYER, Tanguy MARQUESTE

    Published 2025-09-01
    “…The aim of the present study is to describe and understand this influence by measuring objective parameters (muscular electrical activity) and subjective parameters (sensation of discomfort). …”
    Get full text
    Article
  7. 667

    Snow depth inversion and mapping at 500 m resolution from 1980 to 2020 in Northeast China using radiative transfer model and machine learning by Yanlin Wei, Xiaofeng Li, Lingjia Gu, Zhaojun Zheng, Xingming Zheng, Tao Jiang

    Published 2025-05-01
    “…Accurate snow cover parameter assessment and mapping at a fine resolution can have profound implications for our understanding of the planet’s water balance and energy dynamics. …”
    Get full text
    Article
  8. 668
  9. 669

    A digital twin model of urban utility tunnels and its application [version 1; peer review: 2 approved] by Wu Jiansong, Hu Yanzhu, Fan chen, Cai Jitao, Fu Ming, Wang Xin, Zou Xiaofu

    Published 2024-07-01
    “…In the era of digitalization, how to better model the operation of a utility tunnel, dynamically predict the accident evolutions, and support corresponding decision-makings are essential issues. …”
    Get full text
    Article
  10. 670

    Effects of ambulatory self-control on renal function and electrolyte metabolism in patients with severe heart failure by S. V. Berdnikov, V. I. Vishnevskyi, O. A. Berdnikova

    Published 2013-02-01
    “…Group I did not demonstrate any negative GFR dynamics, while this parameter progressively and similarly decreased in the other two groups. …”
    Get full text
    Article
  11. 671

    Over-the-Air Testing of Cognitive Radio Nodes in a Virtual Electromagnetic Environment by Rajesh K. Sharma, Wim Kotterman, Markus H. Landmann, Christopher Schirmer, Christian Schneider, Frank Wollenschläger, Giovanni Del Galdo, Matthias A. Hein, Reiner S. Thomä

    Published 2013-01-01
    “…A complex interference scenario arises due to the attempt to simultaneously utilize several opportunity dimensions such as frequency, time, direction (space), and polarization, in a dynamic manner in a multiuser scenario. Although MIMO-OTA testing addresses many limitations of single antenna-conducted test systems, more dimensions and parameters to be addressed in the new scenarios imply further increase in cost and complexity. …”
    Get full text
    Article
  12. 672

    Radiative properties of a nonsingular black hole: Hawking radiation and gray-body factor by Asier Alonso-Bardaji, David Brizuela, Marc Schneider

    Published 2025-07-01
    “…This parameter is related to certain corrections expected in the context of loop quantum gravity to the classical general-relativistic dynamics. …”
    Get full text
    Article
  13. 673

    Şahin Ç., Kerpiççi H., Karabay A. Ya., Karahan K. Investigation of Discharge Flow and Force Coefficients in Hermetic Reciprocating Compressors / trans. from Engl. M. A. Fedorova... by M. A. Fedorova

    Published 2020-06-01
    “…In-house developed simulation tool uses flow and force coefficients to calculate valve dynamics and mass flow rate. Those are calculated with the Computational Fluid Dynamics (CFD) analyses with respect to the valve lift. …”
    Get full text
    Article
  14. 674

    Parametric analysis of self-excited aeroelastic instability of an isolated single-axis two-dimensional flat solar tracker by Juan A. Cárdenas-Rondón, Carlos Carbajosa, Sergio Marín-Coca, Alejandro Martínez-Cava

    Published 2024-12-01
    “…However, the reduction in structural stiffness has led to an increase in aeroelastic issues, some of which have resulted in catastrophic failures around the world, posing significant challenges. …”
    Get full text
    Article
  15. 675

    LRDS-YOLO enhances small object detection in UAV aerial images with a lightweight and efficient design by Yuqi Han, Chengcheng Wang, Hui Luo, Huihua Wang, Zaiqing Chen, Yuelong Xia, Lijun Yun

    Published 2025-07-01
    “…The SegNext Attention mechanism improves target focus while suppressing background noise, and the dynamic detection head (DyHead) optimizes multi-dimensional feature weighting for robust detection. …”
    Get full text
    Article
  16. 676

    Time-Dependent Analysis of the Interaction Between Energy Harvesting, Leakage, and Consumption Processes in a Green IoT Device by Godlove Suila Kuaban, Tadeusz Czachorski, Erol Gelenbe, Piotr Czekalski

    Published 2025-01-01
    “…Despite these advancements, energy storage systems (ESSs) face issues such as capacity degradation, leakage, and charge redistribution, which can lead to energy depletion and service disruptions. …”
    Get full text
    Article
  17. 677

    Genetic Algorithm-Driven Joint Optimization of Task Offloading and Resource Allocation for Fairness-Aware Latency Minimization in Mobile Edge Computing by Mohamed Elkawkagy, Ibrahim A. Elgendy, Samia Allaoua Chelloug, Heba Elbeh

    Published 2025-01-01
    “…Mobile Edge Computing (MEC) alleviates latency and bandwidth strain on centralized cloud infrastructures by enabling the offloading of tasks to proximal edge servers, yet resource optimization in dense dynamic networks remains an open problem. This paper proposes a genetic algorithm (GA)-based approach to jointly optimize three important parameters: 1) the proportion of tasks offloaded to mobile edge servers (MES), 2) channel bandwidth allocation, and 3) computational resource allocation, in order to minimize the total task completion time with fairness among user devices (UDs). …”
    Get full text
    Article
  18. 678

    Efficient tuna detection and counting with improved YOLOv8 and ByteTrack in pelagic fisheries by Yuanchen Cheng, Zichen Zhang, Yuqing Liu, Jie Li, Zhou Fu

    Published 2025-07-01
    “…However, existing manual counting methods suffer from issues such as low accuracy and poor timeliness, highlighting the urgent need for an efficient and automated solution. …”
    Get full text
    Article
  19. 679

    A Remaining Useful Life Prediction Method for Rolling Bearings Based on Hierarchical Clustering and Transformer–GRU by Wenping Lei, Xing Dong, Fuyuan Cui, Guangzhong Huang

    Published 2025-05-01
    “…This feature set is then input into a Transformer–GRU model, where the Transformer encoder captures temporal dependencies across time steps to generate rich feature representations, and the GRU network models their dynamic evolution over time to predict the bearing RUL. …”
    Get full text
    Article
  20. 680

    State policy of ensuring demographic security: characteristics of basic concepts by Z.O. Hrytsyshena

    Published 2025-03-01
    “…Scientific approaches to defining the concept of «demographic security» are systematized and generalized, among which the following are distinguished: security-protective, reproductive-dynamic and stabilization-development approaches. …”
    Get full text
    Article