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761
Augmented MIMO: Body-Mounted Antennas for Tiny Wearable Devices
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. …”
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762
Single anchor node real-time positioning algorithm based on the antenna array
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. …”
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763
Effect of Antenna Parameters on the Field Coverage in Tunnel Environments
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. …”
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764
Prediction of Inadequate Bowel Preparation Using Total and Segmental Colon Transit Time in Patients with Chronic Constipation: Some Different Outcomes
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). …”
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765
Implementasi Algoritme Clefia 128-Bit untuk Pengamanan Modul Komunikasi Lora
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. …”
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766
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767
First Mid-infrared Detection and Modeling of a Flare from Sgr A*
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. …”
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768
Observar y analizar la educación desde la ventana de los medios
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. …”
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769
Anti-religious propaganda in Lithuania 1944-1970
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. …”
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770
Underwater laser communication with sloped pulse modulation in turbid water
Published 2019-03-01Get full text
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771
Optimization of College Students’ Employment Prosperity Index System Based on Multiple Logit Models
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772
TETRA Backhauling via Satellite: Improving Call Setup Times and Saving Bandwidth
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. …”
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773
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774
Webdocumentaire et histoire de la télévision suisse
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. …”
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775
TERAPIAS COMPLEMENTARES EM RELIGIOSIDADES PENTECOSTAIS EM ARACAJU, SERGIPE
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. …”
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776
Evolution of Black-Box Models Based on Volterra Series
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. …”
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777
Challenges in Clock Synchronization for On-Site Coding Digital Beamformer
Published 2017-01-01“…Typical radio frequency (RF) digital beamformers can be highly complex. …”
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778
TIC et accès des ruraux à l’information
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. …”
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779
Type-II intermittency in a class of two coupled one-dimensional maps
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780
Coupling and Shielding Properties of the Baffle in ICP System
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. …”
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