Showing 341 - 360 results of 456 for search '"communication system"', query time: 0.04s Refine Results
  1. 341

    Gestural communication in wild spider monkeys (Ateles geoffroyi) by Felipe Villa-Larenas, Miquel Llorente, Katja Liebal, Federica Amici

    Published 2024-03-01
    “…Abstract Gestures play a central role in the communication systems of several animal families, including primates. …”
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    Article
  2. 342

    Practical Noise Model of an Active Electronically Scanning Array by Jian Mi, Kan Wang, Zhao Li, Hongbing Sun

    Published 2023-01-01
    “…Active electronically scanning arrays are now widely used in radar and communication systems. The noise characteristics are critical to the system signal-to-noise ratio, thus modeling of the antenna array noise is useful. …”
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    Article
  3. 343

    A Compact Vivaldi Shaped Partially Dielectric Loaded TEM Horn Antenna for UWB Communication by Mustafa İlarslan, A. Serdar Türk, Salih Demirel, M. Emre Aydemir, A. Kenan Keskin

    Published 2014-01-01
    “…The Vivaldi shaped partially dielectric loaded (VS-PDL) TEM horn antenna is proposed as a compact UWB antenna for systems using the newly established UWB band and also for the communication systems of popular bands like ISM, Wi-Fi, and GSM.…”
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    Article
  4. 344

    Optimal Pattern Synthesis of Linear Array and Broadband Design of Whip Antenna Using Grasshopper Optimization Algorithm by Hengfeng Wang, Chao Liu, Huaning Wu, Bin Li, Xu Xie

    Published 2020-01-01
    “…Antenna arrays with high directivity, low side-lobe level, and null control in desired direction and whip antenna with wider bandwidth both need to be optimized to meet different needs of communication systems. A new natural heuristic algorithm simulating social behavior of grasshoppers, grasshopper optimization algorithm (GOA), is applied to electromagnetic field as a new effective technology to solve the antenna optimization problem for the first time. …”
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    Article
  5. 345

    Design of tri-band flexible CPW 4-port slot MIMO antenna for conformal 5G, WIFI 6/6E and X-band applications by Chengzhu Du, Fangrui Zhang, Ruomeng Li

    Published 2025-02-01
    “…In this paper, a tri-band flexible CPW 4-Port slot MIMO antenna is devised according to the requirements of 5G communication systems for signal transmission, which can be applied to 5G N77/78(3.3–4.2 GHz), WIFI6/6E (5.15–5.83 GHz,5.925–7.125 GHz) and X-band (8.5–10.68 GHz) satellite communication. …”
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    Article
  6. 346
  7. 347

    Tighter bounds on the Gaussian Q-function based on wild horse optimization algorithm by Reza Etesami, Mohsen Madadi

    Published 2025-01-01
    “…The results highlight the practical significance of the proposed method in enhancing the reliability of error probability estimation in communication systems.…”
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    Article
  8. 348

    Paradigm shifters: tricksters and cultural science by Hartley John

    Published 2010-12-01
    “…In this context, change is led by ‘paradigm shifters’ – tricksters and entrepreneurs who create new meanings out of the clash of difference, including the clash of mutually untranslatable communication systems (language, media, culture).…”
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    Article
  9. 349

    To what extent are call combinations in chimpanzees comparable to syntax in humans? by Maël Leroux

    Published 2023-12-01
    “…Syntax is considered a key feature distinguishing human language from other non-human animal communication systems. However, evidence for combinatorial capacities in a wide variety of species, such as birds and monkeys, has challenged this assumption. …”
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    Article
  10. 350
  11. 351

    Cybersecurity in microgrids: A review on advanced techniques and practical implementation of resilient energy systems by Ijaz Ahmed, Ali M. El-Rifaie, Fazia Akhtar, Hasnain Ahmad, Zuhair Alaas, M.M.R. Ahmed

    Published 2025-03-01
    “…The progress in MGs, along with the implementation of hierarchical supervision and monitoring, has facilitated the transmission of information within contemporary communication systems. The incorporation of cyber physical systems (CPS) within MGs has heightened their susceptibility to cyber-attacks, thereby converting them into cyber–physical systems. …”
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    Article
  12. 352

    Recognition of Qualifications Obtained as a Result of Non-Formal and Informal Learning: Foreign Experience and Prospects for Russian Practice by A. I. Satdykov, B. A. Sazonov

    Published 2020-11-01
    “…In Germany, Norway and Japan, modern information and communication systems are being actively introduced to accumulate information about the qualifications of the adult population. …”
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    Article
  13. 353

    Communication and Sensing: Wireless PHY-Layer Threats to Security and Privacy for IoT Systems and Possible Countermeasures by Renato Lo Cigno, Francesco Gringoli, Stefania Bartoletti, Marco Cominelli, Lorenzo Ghiro, Samuele Zanini

    Published 2025-01-01
    “…First, it analyzes the threats to security and privacy posed by ISAC and how they intertwine in the wireless PHY layer within the framework of IoT and distributed pervasive communication systems in general. Secondly, it presents and discusses possible countermeasures to protect users’ security and privacy. …”
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    Article
  14. 354

    Ultrasmall Dual-Band Metamaterial Antennas Based on Asymmetrical Hybrid Resonators by Ji-Xu Zhu, Peng Bai, Jia-Fu Wang

    Published 2016-01-01
    “…Excellent performances of the antennas based on hybrid resonators predict promising applications in multifunction wireless communication systems.…”
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    Article
  15. 355

    PhysioDroid: Combining Wearable Health Sensors and Mobile Devices for a Ubiquitous, Continuous, and Personal Monitoring by Oresti Banos, Claudia Villalonga, Miguel Damas, Peter Gloesekoetter, Hector Pomares, Ignacio Rojas

    Published 2014-01-01
    “…Technological advances on the development of mobile devices, medical sensors, and wireless communication systems support a new generation of unobtrusive, portable, and ubiquitous health monitoring systems for continuous patient assessment and more personalized health care. …”
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    Article
  16. 356

    A novel multifunctional chiral metasurface with asymmetric transmission by Muhammad Noman, Hattan Abutarboush, Farooq A. Tahir, Adnan Zahid, Muhammad Imran, Qammer H. Abbasi

    Published 2024-10-01
    “…The multiband, multifunctional chiral metasurface with asymmetric transmission exhibits significant potential for diverse applications in modern communication systems, ranging from enhanced signal modulation and polarization control to advanced beam steering and compact antenna design. …”
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    Article
  17. 357

    Judge's Managerial Competences: a Case Study of a High-Performance Court by Livia Lúcia Oliveira Borba, Fabricio Castagna Lunardi, Tomas Aquino Guimarães

    Published 2024-05-01
    “…The competences are the following: People Management and Team Leadership, Judicial Proceedings Management, Communication, Systemic Vision, Innovative Action, Information Management, Technical Managerial Competence, and Outcomes-Oriented Management. …”
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    Article
  18. 358

    Propagation Model in Indoor and Outdoor for the LTE Communications by Sun-Kuk Noh, DongYou Choi

    Published 2019-01-01
    “…Rapidly rising demand for radio communication and the explosion in the number of mobile communications service subscribers have led to the need for optimization in the development of fifth-generation (5G) mobile communication systems. Previous studies on the development of propagation models considering a propagation environment in the existing microwave band have been mainly focused on analyzing the propagation characteristics with regard to large-scale factors such as path losses, delay propagation, and angle diffusions. …”
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    Article
  19. 359

    Parametric Study and Experimental Validation of Acoustic Leaky Wave Antenna in Spatial Localization by Alejandro Fernandez-Garrido, Maria Campo-Valera, Elena Abdo-Sanchez, Ruben Pico, Antonio-Javier Garcia-Sanchez, Rafael Asorey-Cacheda

    Published 2025-01-01
    “…This technology, applicable to underwater and airborne communications, offers compact and energy-efficient solutions, which facilitate the development of the “Underwater Internet of Things” and autonomous communication systems for underwater vehicles. This work presents a parametric study of this type of antennas with axisymmetric geometry by means of a numerical solution based on the Finite Element Method. …”
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    Article
  20. 360

    Enhancing V2X Security Through Combined Rule-Based and DL-Based Local Misbehavior Detection in Roadside Units by Seungyoung Park, Duksoo Kim, Seokwoo Lee

    Published 2024-01-01
    “…In this paper, we address the limitations of existing deep learning (DL) methods for local misbehavior detection (LMBD) in vehicle-to-everything (V2X) communication systems by proposing an approach that combines rule-based and DL-based techniques. …”
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    Article