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Showing 1,021 - 1,040 results of 3,601 for search 'complex (reflection OR selection) efficiency', query time: 0.16s Refine Results
  1. 1021

    Comparative analysis of machine learning models for predicting water quality index in Dhaka’s rivers of Bangladesh by Mosaraf Hosan Nishat, Md. Habibur Rahman Bejoy Khan, Tahmeed Ahmed, Syed Nahin Hossain, Amimul Ahsan, M. M. El-Sergany, Md. Shafiquzzaman, Monzur Alam Imteaz, Mohammad T. Alresheedi

    Published 2025-03-01
    “…This study contributes to the field of environmental science by offering a novel integration of feature selection techniques with ML models to enhance efficiency and cost-effectiveness of water quality monitoring. …”
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    Article
  2. 1022

    Reinforcement Q-Learning-Based Adaptive Encryption Model for Cyberthreat Mitigation in Wireless Sensor Networks by Sreeja Balachandran Nair Premakumari, Gopikrishnan Sundaram, Marco Rivera, Patrick Wheeler, Ricardo E. Pérez Guzmán

    Published 2025-03-01
    “…The proposed system is formulated as a Markov Decision Process (MDP), where encryption level selection is driven by a reward function that optimizes the trade-off between energy efficiency and security robustness. …”
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    Article
  3. 1023

    Resource Allocation in STAR-RIS-Aided SWIPT With RSMA via Meta-Learning by Mojtaba Amiri, Elaheh Vaezpour, Sepideh Javadi, Mohammad Robat Mili, Mehdi Bennis, Eduard Axel Jorswieck

    Published 2025-01-01
    “…Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. …”
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    Article
  4. 1024

    DEVELOPMENT OF THE STATE SUPPORT FORMS PROJECTS IN INDUSTRIAL BUILDING by I. M. Meilanov, A. M. Esetova

    Published 2016-12-01
    “…In the course of the research the system, subject-functional and structural approaches were implemented to solve the problems set widening the scope of the complex approach to assessment of the current operating mechanism of the state financial support of the projects and financial volume; to criteria stipulation of the most effective projects contest selection: to the search of the investment resources accumulation instrument into industrial building.Results. …”
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    Article
  5. 1025
  6. 1026

    Efficiency validation for application of medical and psychological rehabilitation and digitalpsychophysiological therapy in regulation of atherosclerosis development at the level o... by A. V. Gertsev, Yu. N. Zakrevskii, V. N. Ischuk

    Published 2021-06-01
    “…Scientific medical literature has accumulated a lot of data suggesting most important components of coronary heart disease pathogenesis and hypertension to be complex triggering processes of neuro-immune and neuro-endocrine interactions. …”
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    Article
  7. 1027

    Transformation of views on the essence of the organization's assets in the retrospective and modern period in Russian and foreign literature by V. Manuylenko, M. Galasova

    Published 2022-11-01
    “…A comparison of static and dynamic balance sheet concepts was carried out, which showed that the purpose of the dynamic concept, which reveals the real essence of the company's economic activity, is to determine the financial result, reflect the efficiency of the business entity. As a result, the main approaches to the definition of the concept of "assets of an organization" are identified, including: expenditure-result, subject-material, based on a set of property values, an integral property complex, resource. …”
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    Article
  8. 1028
  9. 1029

    STUDY OF CHANGES IN OCCLUSAL SCHEME RESULTING FROM CREATING ARTIFICIAL TEETH IN THE DENTURE PATIENT WITH COMPLETE TOOTH LOSS AND ADVERSE CONDITIONS BY PROSTHETIC BED ON THE LOWER J... by V.P. Nespryadko, V.Y. Krasnov, V. K. Paul

    Published 2018-03-01
    “…In the control group - 3 year usage of complete dentures - the average chewing efficiency decreased by 21% compared with the first year of use. …”
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    Article
  10. 1030
  11. 1031

    Differential Evolution-Based End-Fire Realized Gain Optimization of Active and Parasitic Arrays by Rozita Konstantinou, Ihsan Kanbaz, Okan Yurduseven, Michail Matthaiou

    Published 2025-01-01
    “…The optimization process first maximizes the end-fire gain in the active array by selecting the optimal current excitation vector. For the parasitic arrays, the dipoles are reactively loaded based on the input impedances of the active dipoles, after which the optimization focuses on the inter-element distance to achieve a balance between the gain and the reflection efficiency. …”
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    Article
  12. 1032

    Nonmetallic modified zero-valent iron for remediating halogenated organic compounds and heavy metals: A comprehensive review by Zimin Yan, Jia Ouyang, Bin Wu, Chenchen Liu, Hongcheng Wang, Aijie Wang, Zhiling Li

    Published 2024-09-01
    “…The discussion progresses towards a critical analysis of current strategies and mechanisms used for NM-ZVI to enhance its reactivity, electron selectivity, and electron utilization efficiency. This is achieved by optimizing the elemental compositions, content ratios, lattice constants, hydrophobicity, and conductivity. …”
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  13. 1033

    The Role and Forming of Internal Control Over the Economic Stability of Business Entities by A. N. Ryakhovskaya, M. V. Melnik

    Published 2025-01-01
    “…This area of control is especially relevant in corporate structures that unite a group of enterprises linked by a single production process for manufacturing complex science-intensive products, but keeping their independence. …”
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    Article
  14. 1034

    Risk-based approach to choosing the production asset management strategy for energy company by V. M. Levin, N. P. Guzhov, D. A. Boyarova

    Published 2024-01-01
    “…The tasks in this direction are quite relevant.PURPOSE: To develop a unified methodology that, from the general standpoint of a risk-based approach, would allow comparing two alternative strategies for managing the assets of an energy company "by periodicity, operating time" and "by technical condition", according to a set of key criteria for the effectiveness of M&R.METHODS: When solving problems, methods of forming and adjusting schedules for repairs of electrical equipment, calculating reliability and probabilities of failure in the power supply system of consumers, taking into account its circuit features, assessing the technical condition of equipment according to non-destructive testing and diagnostics, comparing the costs of maintaining and restoring reliability and damages from its violations were used.RESULTS: A risk-oriented methodology has been developed and verified, which makes it possible to evaluate and select the optimal equipment maintenance strategy for the energy company according to uniform efficiency criteria. …”
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    Article
  15. 1035

    Online Resource Allocation and Trajectory Optimization of STAR–RIS–Assisted UAV–MEC System by Xi Hu, Hongchao Zhao, Wujie Zhang, Dongyang He

    Published 2025-03-01
    “…Although traditional reconfigurable intelligent surfaces (RISs) can improve wireless channel quality, they can only provide reflection services and have limited coverage. For this reason, we study a novel simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR–RIS)–assisted UAV–mobile edge computing (UAV–MEC) network, which can serve multiple users residing in the transmission area and reflection area, and switch between reflection and transmission modes according to the relative positions of the UAV, GUs, and STAR–RIS, providing users with more flexible and efficient services. …”
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    Article
  16. 1036

    Small Target Detection Algorithm for UAV Aerial Images Based on Improved YOLOv7-tiny by ZHANG Guanghua, LI Congfa, LI Gangying, LU Weidang

    Published 2025-05-01
    “…ObjectiveUAVs provide advantages such as easy control, low cost, and good performance, and efficiently perform tasks in diverse sites and complex environments. …”
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    Article
  17. 1037

    SMEA-YOLOv8n: A Sheep Facial Expression Recognition Method Based on an Improved YOLOv8n Model by Wenbo Yu, Xiang Yang, Yongqi Liu, Chuanzhong Xuan, Ruoya Xie, Chuanjiu Wang

    Published 2024-11-01
    “…In response to challenges such as missed detections, false positives, and low recognition accuracy in sheep facial expression recognition, this paper introduces an enhanced algorithm based on YOLOv8n, referred to as SimAM-MobileViTAttention-EfficiCIoU-AA2_SPPF-YOLOv8n (SMEA-YOLOv8n). Firstly, the proposed method integrates the parameter-free Similarity-Aware Attention Mechanism (SimAM) and MobileViTAttention modules into the CSP Bottleneck with 2 Convolutions(C2f) module of the neck network, aiming to enhance the model’s feature representation and fusion capabilities in complex environments while mitigating the interference of irrelevant background features. …”
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  18. 1038
  19. 1039

    Identifying the role of route choice behavior of motorcycle riders in microscopic simulation modeling under mixed traffic conditions by Siti Raudhatul Fadilah, Hiroaki Nishiuchi, An Minh Ngoc

    Published 2024-11-01
    “…The results demonstrate significant improvements in network efficiency when informed route selection behaviors are facilitated, particularly with comprehensive coverage across all road types. …”
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  20. 1040

    FEVT-SAR: Multicategory Oriented SAR Ship Detection Based on Feature Enhancement Vision Transformer by Minding Fang, Yu Gu, Dongliang Peng

    Published 2025-01-01
    “…Issues such as complex noise interference and the long-tail distribution of data present many challenges to the multicategory ship detection task in synthetic aperture radar (SAR) images. …”
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    Article