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Showing 461 - 480 results of 3,373 for search 'complex selection (coefficient OR efficient)', query time: 0.14s Refine Results
  1. 461

    Monitoring of Energy Efficiency of District Heating System Facilities: Methodology for Determining the Energy Baseline by Davydenko L.V., Davydenko N.V., Davydenko V.A., Sprake D.

    Published 2022-03-01
    “…Relevant variables were formed using a three-stage selection of fac-tors that influence the gas consumption efficiency of the boiler house. …”
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    Article
  2. 462

    Evolution Mechanism of Advanced Equipment Manufacturing Innovation Network Structure from the Perspective of Complex System by Jianbo Wang, Xing Cao

    Published 2021-01-01
    “…The variable adopts the Malmquist–Luenberger global super-efficiency index model. There are two main explanatory variables. …”
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    Article
  3. 463

    Safety Risk Assessment of Double-Line Tunnel Crossings Beneath Existing Tunnels in Complex Strata by Bafeng Ren, Shengbin Hu, Min Hu, Zhi Chen, Hang Lin

    Published 2025-06-01
    “…This study demonstrates that optimized shield machine selection, improved lining design, interlayer soil reinforcement, the dynamic adjustment of shield parameters, and the precise measurement of shield posture significantly enhance the efficiency of shield tunneling and construction safety. …”
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  4. 464

    THE METHOD OF FORMING A RATIONAL ASPECT OF THE ONBOARD COMPLEX OF RADAR DEFENSE UNMANNED AERIAL VEHICLE by A. B. Guseynov, A. V. Makhovykh

    Published 2017-11-01
    “…The urgency of the problem of increasing the efficiency by reducing the visibility of aircraft and installing radio interference on the radio-electronic systems of the air defense complex is substantiated. …”
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    Article
  5. 465

    Synthesis of Co (II) complex of some novel 5-nitroimidazole derivatives for its antibacterial activity by D G Desai, D K Sureja, A K Seth, B R Prajapati, K I Molvi

    Published 2016-01-01
    “…Methods: Reaction of 2-(1-substituted-5-nitro-1H-imidazol-2-yl)-1-substitutedethanone with cobalt nitrate hexahydrate under reflux condition in alkaline medium yielded metal-ligand complexes in good yield. The antibacterial activities of metal-ligand complexes were evaluated in-vitro against selected bacteria and fungi by agar well diffusion method. …”
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    Article
  6. 466

    A Universal and Versatile Zwitterionic Coating for Blood‐Contacting Catheters with Long Lengths and Complex Geometries by Tong Zhang, Tian Liang, Qichao Pan, Shouyan Zhang, Shuhua Zhang, Zhi Geng, Bo Zhu

    Published 2025-05-01
    “…This study demonstrates a cost‐efficient, mechanically viable, and universal zwitterion coating approach for long and complex catheters with near‐zero fouling, super anticoagulation, and selective biocapturing. …”
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  7. 467

    Improved RRT-Based Obstacle-Avoidance Path Planning for Dual-Arm Robots in Complex Environments by Jing Wang, Genliang Xiong, Bowen Dang, Jianli Chen, Jixian Zhang, Hui Xie

    Published 2025-07-01
    “…To address the obstacle-avoidance path-planning requirements of dual-arm robots operating in complex environments, such as chemical laboratories and biomedical workstations, this paper proposes ODSN-RRT (optimization-direction-step-node RRT), an efficient planner based on rapidly-exploring random trees (RRT). …”
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  8. 468

    Simulación numérica del coeficiente de concentración de tensiones en grietas de uniones soldadas a tope//Numerical simulation of the stresses concentration coefficient in cracks bu... by Pavel Almaguer-Zaldivar

    Published 2012-09-01
    “…With the proposed methodology were obtained graphs and equations that describe the behavior of the stress concentration coefficient in different nodes of the crack. The stress concentration coefficient value it is in correspondence with the defects sizes.…”
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    Article
  9. 469

    Deep Learning–Based Prediction of Freezing of Gait in Parkinson's Disease With the Ensemble Channel Selection Approach by Sara Abbasi, Khosro Rezaee

    Published 2025-01-01
    “…Finding Given three movement directions from three locations, we reduce computational complexity in two phases: selecting optimal channels through ensemble learning followed by feature reduction using attention mapping. …”
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  10. 470

    Passive Frequency Tunability in Moiré-Inspired Frequency Selective Surfaces Based on Full-Wave Simulation by Jieun Hwang, Sungcheol Hong

    Published 2025-06-01
    “…This paper presents a simulation-based investigation of passive frequency tunability in frequency-selective surfaces (FSSs) enabled by Moiré pattern interference. …”
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    Article
  11. 471

    Joint Antenna Selection and Proportional Fairness User Scheduling for Multi-User Massive MIMO Systems by Boqing Chen, Lijun Yang, Meng Wu

    Published 2025-04-01
    “…However, it requires each antenna to be paired with a separate radio frequency (RF) chain, which leads to the need for numerous RF chains in the system, resulting in high hardware costs, increased computational complexity, and elevated power consumption. To address this, antenna selection technology reduces the number of RF chains required, activating only the antennas that correspond to the available RF chains. …”
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    Article
  12. 472

    MEIS-YOLO: Improving YOLOv11 for efficient aerial object detection with lightweight design by Yicheng Liu, Jinsong Wu, Li Chen

    Published 2025-06-01
    “…The core innovation of the model lies in the introduction of a Multi-scale Edge Information Selection (MEIS) module, which selects key features highly relevant to the target detection task from multi-scale features, strengthening the representation of edge information and significantly improving detection performance under conditions of small targets and complex backgrounds. …”
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    Article
  13. 473

    A Distributed Detection Method for Quality-related Faults in Complex Non-stationary Industrial Processes by Jie DONG, Daye LI, Yanmei WEI, Kaixiang PENG, Hui YANG

    Published 2024-11-01
    “…The statistical characteristics of process data time series in the production process typically vary over time due to changes in production conditions, unknown external interference, load fluctuations, and other factors. Hence, complex industrial processes often exhibit non-stationary characteristics. …”
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    Article
  14. 474

    An Efficient Topology Construction Scheme Designed for Graph Neural Networks in Hyperspectral Image Classification by Yu Zhang, Xin Li, Yaoqun Xu

    Published 2025-01-01
    “…Superpixel-based Graph Neural Networks (GNNs) have achieved remarkable success in hyperspectral image (HSI) classification tasks, primarily due to their ability to capture the implicit topological structure in the data while maintaining low computational complexity by propagating information between spatially adjacent superpixels. …”
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    Article
  15. 475

    Optimizing Cluster Heads for Energy Efficiency in Large-Scale Heterogeneous Wireless Sensor Networks by Yi Gu, Qishi Wu, Nageswara S. V. Rao

    Published 2010-12-01
    “…Many complex sensor network applications require deploying a large number of inexpensive and small sensors in a vast geographical region to achieve quality through quantity. …”
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  16. 476

    The Impact of Water Tariffs in the Agricultural Sector on Resource Efficiency and Sustainability: From Theory to Practice by Elham Ebrahimi Sarindizaj

    Published 2025-05-01
    “…While increasing irrigation efficiency is among the selected scenarios of the mathematical modeling, it can trigger the behavioral pattern of fixes that fail and, the limit to growth pattern, contribute to the worsening of water scarcity. …”
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  17. 477
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  19. 479

    A multi strategy bidirectional RRT* algorithm for efficient mobile robot path planning by Yourui Huang, Wenxin Jiang, Shanyong Xu

    Published 2025-08-01
    “…Abstract To address the issues of slow convergence speed and poor path quality of the traditional Rapidly-exploring Random Tree Star (RRT*) algorithm in complex environments, this paper proposes a Multi Strategy Bidirectional RRT* (MS-BI-RRT*) algorithm for efficient mobile robot path planning. …”
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    Article
  20. 480