Results 31 to 40 of about 17,322,277 (172)

Deep Learning-Based LOS and NLOS Identification in Wireless Body Area Networks

open access: yesSensors, 2019
In this article, the usage of deep learning (DL) in ultra-wideband (UWB) Wireless Body Area Networks (WBANs) is presented. The developed approach, using channel impulse response, allows higher efficiency in identifying the direct visibility conditions ...
Krzysztof K. Cwalina   +4 more
doaj   +1 more source

Infinite sequence of fixed point free pseudo-Anosov homeomorphisms

open access: yes, 2009
We construct infinite sequences of pseudo-Anosov homeomorphisms without fixed points and leaving invariant a sequence of orientable measured foliations on the same topological surface and the same stratum of the space of abelian differentials.
Los, Jérôme
core   +3 more sources

Ship Trajectory Tracking Control System Design Based on Sliding Mode Control Algorithm

open access: yesPolish Maritime Research, 2018
The paper reports the design and tests of the planar autopilot navigation system in the three-degree-of-freedom (3-DOF) plane (surge, sway and yaw) for a ship.
Liu Yong, Bu Renxiang, Gao Xiaori
doaj   +1 more source

Disturbances of the cognitive functions of vehicle drivers in selected diseases

open access: yesStudia Medyczne, 2021
Cognitive dysfunctions such as memory, attention, and orientation may occur in many disease entities, including those not included in the sphere of mental disorders.
Rafał Łoś, Ewa Latała-Łoś
doaj   +1 more source

Metodología de los tipos y diseños de estudio más frecuentemente utilizados en investigación clínica

open access: yesRevista Médica Clínica Las Condes, 2019
RESUMEN Los estudios observacionales (EO) corresponden a disenos de investigacion cuyo objetivo es “la observacion y registro” de acontecimientos sin intervenir en el curso natural de estos.
Carlos Manterola   +3 more
semanticscholar   +1 more source

Measuring Power in an Emergency Department to Improve Processes and Decrease the Length of Stay Hours to their Optimum Value

open access: yesWestern Journal of Emergency Medicine, 2013
Many emergency departments (EDs) compare themselves to national productivity benchmarks, such as the average patients/hour or relative value units (RVUs)/hour. Making these comparisons does not provide a tool to determine which processes need improvement,
Bert A Silich
doaj   +1 more source

Los ciberataques de los actores no estatales y la “ciberdiligencia debida” de los Estados.

open access: yesRevista UNISCI, 2021
Los ciberataques en tiempos de paz – por parte de grupos de hacktivistas, organizaciones criminales transnacionales o bandas terroristas – aumentan cada año más, suponiendo para los Estados la ciberamenaza más frecuente contra sus infraestructuras ...
Andrea Cocchini
doaj   +1 more source

Development and validation of an interpretable machine learning–based model for predicting carbapenem-resistant Acinetobacter baumannii infection in postoperative ICU patients: a retrospective cohort study

open access: yesFrontiers in Cellular and Infection Microbiology
BackgroundCarbapenem-resistant Acinetobacter baumannii (CRAB) is a major cause of healthcare-associated infections and is associated with poor outcomes in intensive care units, particularly among postoperative patients.
Yan Gao   +11 more
doaj   +1 more source

Aplikacje teorii chaosu w rozważaniach nad edukacją jako drogą do szczęścia

open access: yesPodstawy Edukacji, 2015
Problematyka szczęścia w edukacji uwikłana jest w sploty sprzeczności, których nie daje się rozwiązać przy pomocy liniowości. Aplikacje teorii chaosu w rozważaniach nad edukacją jako drogą do szczęścia ujawniają tylko niektóre aspekty przy zastosowaniu ...
Kazimierz Wenta
doaj   +1 more source

Luaran Terapi Berdasarkan Jenis Pemberian Analgetik pada Pasien Pasca Operasi Ortopedi

open access: yesJurnal Manajemen dan Pelayanan Farmasi, 2020
Postoperative pain was suffered by 80% of the total patients. One of the many surgical procedures performed is orthopedics. Ketorolac and fentanyl are often used for postoperative orthopedic pain.
Nurul Irna Windari   +2 more
doaj   +1 more source

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