Showing 761 - 780 results of 1,280 for search '"radio"', query time: 0.06s Refine Results
  1. 761

    Augmented MIMO: Body-Mounted Antennas for Tiny Wearable Devices by Akihito Noda

    Published 2025-01-01
    “…Multiple-input–multiple-output (MIMO), which uses multiple antennas at the transmitter and receiver, is now an essential technique for increasing communication capacity without widening the occupied radio bandwidth. However, antenna arrays within a deep subwavelength dimension degrade MIMO performance due to mutual coupling between the antenna elements. …”
    Get full text
    Article
  2. 762

    Single anchor node real-time positioning algorithm based on the antenna array by Yong Fu

    Published 2017-05-01
    “…The antenna radiation characteristics and the wireless channel model are studied first, followed by the evaluation of a single anchor node localization algorithm for wireless sensor network real-time positioning on the base of antenna radiation modeling and radio channel propagation model research then. Finally, the algorithm is evaluated by experiments in real environments. …”
    Get full text
    Article
  3. 763

    Effect of Antenna Parameters on the Field Coverage in Tunnel Environments by Dawei Li, Junhong Wang

    Published 2016-01-01
    “…Radio wave propagation in confined spaces is consequent upon the reflections of boundaries; thus, the radiation characteristics of the antenna have significant influence on the field coverage in the confined space. …”
    Get full text
    Article
  4. 764

    Prediction of Inadequate Bowel Preparation Using Total and Segmental Colon Transit Time in Patients with Chronic Constipation: Some Different Outcomes by Chunying Zhai, Qiyang Huang, Ningli Chai, Wengang Zhang, Enqiang Linghu

    Published 2019-01-01
    “…Aims. Radio-opaque markers have been widely used in the study of colon motility in patients with chronic functional constipation (FC). …”
    Get full text
    Article
  5. 765

    Implementasi Algoritme Clefia 128-Bit untuk Pengamanan Modul Komunikasi Lora by Muhammad Fadhli Iman, Ari Kusyanti, Rakhmadhanny Primananda

    Published 2022-12-01
    “…LoRa merupakan sebuah protokol pengiriman data berdaya rendah yang menggunakan spektrum radio. LoRa memiliki tujuan agar dapat digunakan pada sebuah perangkat bertenaga baterai yang tahan lama, di mana konsumsi energi adalah yang paling utama. …”
    Get full text
    Article
  6. 766
  7. 767

    First Mid-infrared Detection and Modeling of a Flare from Sgr A* by Sebastiano D. von Fellenberg, Tamojeet Roychowdhury, Joseph M. Michail, Zach Sumners, Grace Sanger-Johnson, Giovanni G. Fazio, Daryl Haggard, Joseph L. Hora, Alexander Philippov, Bart Ripperda, Howard A. Smith, S. P. Willner, Gunther Witzel, Shuo Zhang, Eric E. Becklin, Geoffrey C. Bower, Sunil Chandra, Tuan Do, Macarena Garcia Marin, Mark A. Gurwell, Nicole M. Ford, Kazuhiro Hada, Sera Markoff, Mark R. Morris, Joey Neilsen, Nadeen B. Sabha, Braden Seefeldt-Gail

    Published 2025-01-01
    “…The time-variable emission from the accretion flow of Sgr A*, the supermassive black hole at the Galactic center, has long been examined in the radio-to-millimeter, near-infrared (NIR), and X-ray regimes of the electromagnetic spectrum. …”
    Get full text
    Article
  8. 768

    Observar y analizar la educación desde la ventana de los medios by Delia CROVI DRUETTA

    Published 2007-01-01
    “…A continuación revisa de manera general la situación de los medios mexicanos, televisión, radio y prensa, mencionando en cada caso las condiciones en las que se establece el vínculo educación-medio. …”
    Get full text
    Article
  9. 769

    Anti-religious propaganda in Lithuania 1944-1970 by Arūnas Streikus

    Published 2004-12-01
    “…Im Beitrag beschreibt man alte Kanäle der atheistischen Propaganda, die das sowjetische Regime benutzte: Presse, Vorlesungen, Museen, Kino, Radio und TV, Kunst, neue quasireligiöse Rituale und Feste. …”
    Get full text
    Article
  10. 770
  11. 771
  12. 772

    TETRA Backhauling via Satellite: Improving Call Setup Times and Saving Bandwidth by Anton Donner, Jawad Ahmed Saleemi, Javier Mulero Chaves

    Published 2014-01-01
    “…In disaster management scenarios with seriously damaged, not existing, or saturated communication infrastructures satellite communications can be an ideal means to provide connectivity with unaffected remote terrestrial trunked radio (TETRA) core networks. However, the propagation delay imposed by the satellite link affects the signalling protocols. …”
    Get full text
    Article
  13. 773
  14. 774

    Webdocumentaire et histoire de la télévision suisse  by Roxane Gray, Gabrielle Duboux

    Published 2024-03-01
    “…For the commemoration of the 50th anniversary of Swiss Radio Television (RTS)’s magazine Temps Présent (RTS, 1969-today), we participated in the production of a web documentary on the history of the programme. …”
    Get full text
    Article
  15. 775

    TERAPIAS COMPLEMENTARES EM RELIGIOSIDADES PENTECOSTAIS EM ARACAJU, SERGIPE by Jonatas Silva Menezes

    Published 2014-04-01
    “…Destacam-se na política, com envolvimento maciço das grandes denominações; na mídia, com presença no rádio e na televisão; e na prática proselitista, com crescimentos excepcionais nas últimas três décadas. …”
    Get full text
    Article
  16. 776

    Evolution of Black-Box Models Based on Volterra Series by Daniel D. Silveira, Thiago V. N. Coelho, Alexandre Bessa dos Santos

    Published 2015-01-01
    “…This paper presents a historical review of the many behavioral models actually used to model radio frequency power amplifiers and a new classification of these behavioral models. …”
    Get full text
    Article
  17. 777

    Challenges in Clock Synchronization for On-Site Coding Digital Beamformer by Satheesh Bojja Venkatakrishnan, Elias A. Alwan, John L. Volakis

    Published 2017-01-01
    “…Typical radio frequency (RF) digital beamformers can be highly complex. …”
    Get full text
    Article
  18. 778

    TIC et accès des ruraux à l’information by Ibrahima Sylla

    Published 2008-06-01
    “…Until then, existing devices gave for instance through the radio a weekly information about the markets prices ie. with a frequency unadapted to the daily variation of those prices. …”
    Get full text
    Article
  19. 779
  20. 780

    Coupling and Shielding Properties of the Baffle in ICP System by Jozef Brcka, R. Lee Robison

    Published 2011-01-01
    “…This contribution is dealing with experimental and computational evaluation of the deposition baffle that is transparent to radio frequency (RF) magnetic fields generated by an external antenna in an inductively coupled plasma (ICP) source but opaque to the deposition of the metal onto a dielectric wall in ionized physical vapor deposition (IPVD) system. …”
    Get full text
    Article