Search alternatives:
reflection » selection (Expand Search)
Showing 1 - 20 results of 807 for search 'complex reflection efficiency', query time: 0.18s Refine Results
  1. 1
  2. 2

    Energy efficiency maximization in MIMO links aided by metasurfaces with global reflection constraints by Ayşegül Ilay Tunalı, Robert Kuku Fotock, Alessio Zappone, Giorgio Taricco, Giuseppa Alfano, Hakan Ali Çırpan

    Published 2025-07-01
    “…The design involves jointly optimizing the transmit covariance matrix and the reflection coefficients of the reconfigurable holographic surface (RHS). …”
    Get full text
    Article
  3. 3
  4. 4

    Organization of comprehensive research of efficiency of economic activity for the enterprise by A.A. Sotnyk

    Published 2020-06-01
    “…Modern conditions of entrepreneurial activity require business entities to be competitive, to implement the achievements of science and technology, to increase the efficiency of their activities. Today, most domestic and foreign scientists interpret the efficiency of economic activity of the enterprise as a complex category that reflects the ratio of the result to the costs incurred. …”
    Get full text
    Article
  5. 5
  6. 6

    Dynamic 3D shape reconstruction under complex reflection and transmission conditions using multi-scale parallel single-pixel imaging by Zhoujie Wu, Haoran Wang, Feifei Chen, Xunren Li, Zhengdong Chen, Qican Zhang

    Published 2024-09-01
    “…Depth measurement and three-dimensional (3D) imaging under complex reflection and transmission conditions are challenging and even impossible for traditional structured light techniques, owing to the precondition of point-to-point triangulation. …”
    Get full text
    Article
  7. 7
  8. 8
  9. 9

    Main control factors affecting mechanical oil recovery efficiency in complex blocks identified using the improved k-means algorithm. by Qiuyu Lu, Suling Wang, Minzheng Jiang, Yanchun Li, Kangxing Dong

    Published 2021-01-01
    “…The system efficiency of pumping units in the middle and late stages of oil recovery is characterized by several factors, complex data and poor regulation. …”
    Get full text
    Article
  10. 10

    Maximizing Energy Efficiency in IRS-Assisted Phase Cooperative PS-SWIPT-Based Self-Sustainable IoT Network by Haleema Sadia, Ahmad Kamal Hassan, Ziaul Haq Abbas, Ghulam Abbas, Thar Baker, Nasir Saeed

    Published 2025-01-01
    “…To overcome this challenge, intelligent reflecting surfaces (IRSs) have recently been introduced in IoT networks to improve network efficiency by controlling signal reflections. …”
    Get full text
    Article
  11. 11

    Secure energy efficiency maximization for joint ITS and IRS assisted satellite downlink communications by Shaochuan Yang, Kaizhi Huang, Hehao Niu, Yi Wang, Ya Liu, Zheng Chu

    Published 2024-12-01
    “…This article investigates the secure energy efficient downlink transmission for SatCom where an intelligent transmissive surface‐aided transmitter is deployed at the satellite to perform energy efficient beamforming and an intelligent reflecting surface as well as a cooperative jammer are deployed on the ground to enhance the secure performance. …”
    Get full text
    Article
  12. 12

    Energy-Efficient Aerial STAR-RIS-Aided Computing Offloading and Content Caching for Wireless Sensor Networks by Xiaoping Yang, Quanzeng Wang, Bin Yang, Xiaofang Cao

    Published 2025-01-01
    “…Furthermore, incorporating simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) as passive relays significantly enhances the propagation environment and service quality of UAV-based WSNs. …”
    Get full text
    Article
  13. 13
  14. 14
  15. 15

    State regulation of the oil and gas complex in the conditions of digitalization of the world economic system by S. E. Trofimov

    Published 2023-04-01
    “…It was concluded that it is necessary to reflect long-term goals and tactical tasks in program-targeted documents, expand co-operational interactions with various sectors of the economy and industries, and promote technological innovations at the state level that allow expanding industrial and production potential and ensuring faster development of the oil and gas complex. …”
    Get full text
    Article
  16. 16

    Deep learning optimization of STAR-RIS for enhanced data rate and energy efficiency in 6G wireless networks by Amal Megahed, Ahmed. M. Abd El-Haleem, Mahmoud M. Elmesalawy, Ibrahim I. Ibrahim

    Published 2025-07-01
    “…Abstract Unlike traditional reflection-only reconfigurable intelligent surfaces (RISs), simultaneously transmitting and reflecting RISs (STAR-RISs) introduce an innovative technology. …”
    Get full text
    Article
  17. 17

    Evolution of the activities of states as reflected in legal and political Teachings by A. A. Klishin

    Published 2020-12-01
    “…The totality, the acuteness and the complexity of these antagonisms determine the phenomenon which is defined as a “crisis” by the experts who analyze the nature and the development of international relations. …”
    Get full text
    Article
  18. 18

    Reflective Teacher Supervision Through Videos of Classroom Teaching by Sandra Mari Kaneko-Marques

    Published 2015-07-01
    “…The results indicated that collaborative supervision was an efficient tool to address adversities within educational contexts and that student teachers who observed their pedagogical actions through videos became more reflective and self-evaluative, as they provided a deeper analysis regarding their practice. …”
    Get full text
    Article
  19. 19
  20. 20

    THE CONCEPT OF WELL-BEING IN SCHOOL REFLECTED IN EUROPEAN AND INTERNATIONAL DOCUMENTS by Florentina MOGONEA

    Published 2025-06-01
    “…Maintaining well-being in school is a current priority, because a stimulating, open learning environment is an important condition for the efficiency of a certain activity. The present study aims to carry out a critical analysis of the concept of wellbeing in school, as it is reflected in European and international documents, which show interest in this aspect. …”
    Get full text
    Article