Showing 801 - 820 results of 1,280 for search '"radio"', query time: 0.09s Refine Results
  1. 801

    Development of Tandem Ion Mobility Spectrometry with High-voltage Fragmentation Unit at Atmospheric Pressure for Explosives Detection by Kang-yi LIU, Tian-xin XIAN, Ling-feng LI, Yun-jing ZHANG, Xing-li HE, Peng LI

    Published 2025-01-01
    “…To address this issue, referencing collision-induced dissociation (CID) in mass spectrometry, explosives can be similarly dissociated under atmospheric pressure through radio frequency strong electric fields. This process generates rich secondary fragment ions, conferring mobility spectra with structural information of the analyte. …”
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    Article
  2. 802
  3. 803

    Anomaly Detection in High Mobility MDT Traces Through Self-Supervised Learning by J. M. Sanchez-Martin, C. Gijon, M. Toril, S. Luna-Ramirez, V. Wille

    Published 2025-01-01
    “…Radio access network optimization is a critical task in current cellular systems. …”
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  4. 804

    A SIC and ML approach for MIMO non-orthogonal multiple access signal detection by Arun Kumar, Nishant Gaur, Aziz Nanthaamornphong

    Published 2025-02-01
    “…One of the top candidates for an enhanced radio architecture is Optical Non-Orthogonal Multiple Access (O-NOMA), which is based on Multiple inputs and Multiple Outputs (MIMO). …”
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    Article
  5. 805

    Connectivity Analysis for Free-Flow Traffic in VANETs: A Statistical Approach by Chen Chen, Xiaobo Du, Qingqi Pei, Yanan Jin

    Published 2013-10-01
    “…Intervehicle communication gives vehicles opportunities to exchange packets within the limited radio range and self-organized in Ad Hoc manner into VANETs (Vehicular Ad Hoc Networks). …”
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    Article
  6. 806
  7. 807

    Rethinking body language in terms of power relations by Adeline Paxton

    Published 2022-11-01
    “…It comple ments other aspects of communication studies, which have hitherto tended specifically to concentrate on studies of television, radio, news papers, film, magazines and other media, or on studies of Interper sonal communication…”
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    Article
  8. 808

    Quand « l’exception » confirme la règle. L’encadrement juridique de la liberté de la presse écrite au Maroc by Ahmed Hidass

    Published 2016-12-01
    “…The Constitution grants the freedom of expression nonetheless, unofficial red lines limit such right in practice. Mass media, the radio and TV, were for long monopolized by the state; however, since 2005, they have been opened to private stakeholders. …”
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    Article
  9. 809

    A Dual-Cycle Architecture in Cognitive M2M Wireless Networks by Ying Li, Xu Dong, Lifeng Wang, Xiaobo Guo, Lin Bai

    Published 2013-11-01
    “…In this paper, the DCCM is considered to construct cognitive wireless netwroks, in which the structure and implementation of service-oriented radio architecture (SORA) are expounded. Using SORA, a DCCM-based wireless resource management is considered in design and implementation of cognitive wireless networks. …”
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  10. 810

    Wideband and UWB Antennas for Wireless Applications: A Comprehensive Review by Renato Cicchetti, Emanuela Miozzi, Orlandino Testa

    Published 2017-01-01
    “…The performances of small, low-profile, and dielectric resonator antennas are illustrated paying particular attention to the application areas concerning portable devices (mobile phones, tablets, glasses, laptops, wearable computers, etc.) and radio base stations. This information provides a guidance to the selection of the different antenna geometries in terms of bandwidth, gain, field polarization, time-domain response, dimensions, and materials useful for their realization and integration in modern communication systems.…”
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  11. 811

    Ultra-Compact Slitted Flower-Shaped Dual-Band Monopole Antenna for Modern Portable Devices by Jeremiah O Abolade, Dominic B. O. Konditi

    Published 2022-01-01
    “…The MSB antenna proposed in this operates at 2.1 GHz and 5.2 GHz frequencies with a bandwidth of 70 MHz and 570 MHz and a radiation efficiency of 52.5% and 96%, respectively, which is suitable for UMTS, radio navigation, Long Term Evolution (LTE), and 5 GHz Wireless Local Area Network (WLAN) applications. …”
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  12. 812

    The nomination of Rev. Kazimierz Rolewski as bishop of Katowice and the reasons for the refusal by Maciej Szczepaniak

    Published 2024-06-01
    “…Kazimierz Rolewski (1887–1936) — parish priest in the Archdiocese of Poznań, rector of the theological seminary, and radio preacher — remains an inspiring figure to this day, as evidenced by the ongoing beatification process. …”
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  13. 813

    Electric Field Measurement of the Living Human Body for Biomedical Applications: Phase Measurement of the Electric Field Intensity by Ichiro Hieda, Ki Chang Nam

    Published 2013-01-01
    “…The authors are developing a technique for conducting measurements inside the human body by applying a weak electric field at a radio frequency (RF). Low RF power is fed to a small antenna, and a similar antenna located 15–50 cm away measures the electric field intensity. …”
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  14. 814

    Fast Two-Step Energy Detection for Spectrum Sensing by Meiling Lai, Shengliang Peng, Xi Yang, Lin Zhou

    Published 2015-01-01
    “…Spectrum sensing is one of the key tasks in cognitive radio. This paper proposes a fast two-step energy detection (FED) algorithm for spectrum sensing via improving the sampling process of conventional energy detection (CED). …”
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  15. 815

    A CONCEPTUAL ANALYSIS OF FRAUD AND CORRUPTION IN THE PUBLIC SECTOR by Corina BOLOȘ

    Published 2024-12-01
    “…In short, our analysis draws attention to the fact that the phenomena of corruption and fraud in society are placed at the center of public opinion, daily either through the press, radio or television, from the Parliament's rostrum and other sources, various facts of a criminal nature regarding fraud and corruption in Romanian society in which representatives of state authorities, political parties and officials of various ranks are involved. …”
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  16. 816
  17. 817

    Wireless Channel Model Based on Ray Tracing Algorithm in the Sea Environment by Zhongyu Liu, Qi Yao, Quanqing Li, Lixin Guo, Shuo Hu

    Published 2024-01-01
    “…This study investigates the sensitivity of a three-dimensional (3D) maritime ray tracing (RT) model for the use of the geometrical optics in radio channel characterizations of maritime environments. …”
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  18. 818

    An Asymmetrical Mixed Higher-Order Discontinuous Galerkin Time Domain Method for Electromagnetic Scattering from the Plasma Sheath around a Hypersonic Vehicle by Jirong Guo, Yiping Han

    Published 2023-01-01
    “…The plasma sheath during reentry of hypersonic vehicle is an unmagnetized and weakly ionized nonuniform plasma flow, which causes radio frequency blackout and strong plasma attenuation of electromagnetic wave. …”
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  19. 819

    Delay-Modulated RF Tag System Concept Using Ultrawideband Noise Radar Waveforms by Qihe Pan, Ram M. Narayanan

    Published 2011-11-01
    “…Radio frequency (RF) tags have been widely used in inventory tracking, environmental monitoring, battlefield situational awareness, and combat identification due to their low cost, small size, and wireless functionality. …”
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  20. 820

    Energy Efficiency Maximization with Optimal Beamforming in Secure MISO CRNs with SWIPT by Liang Xue, Yao Ma, Miao Zhang, Wanqiang Qin, Jin-Long Wang, Yazhou Wu

    Published 2021-01-01
    “…In this paper, the optimal beamforming problem of multi-input single-output (MISO) cognitive radio (CR) downlink networks with simultaneous wireless information and power transfer is studied. …”
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