Articles with "walker" as a keyword



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Saudi Arabia's summer surface air temperature and its association with circulation patterns

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Published in 2020 at "International Journal of Climatology"

DOI: 10.1002/joc.6547

Abstract: The summer season (June–July–August) surface air temperatures (SATs) over Saudi Arabia and its association with the atmospheric circulation cells were identified and analysed using the NCEP‐NCAR reanalyses and the NOAA extended reconstructed sea surface temperature… read more here.

Keywords: walker; hadley; circulation; surface ... See more keywords
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Evidence of nonlinear Walker circulation feedbacks on extreme El Niño Pacific diversity: Observations and CMIP5 models

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Published in 2021 at "International Journal of Climatology"

DOI: 10.1002/joc.6998

Abstract: The Walker circulation (WC) is essential for the formation and diversity of El Niño events. However, the nonlinear WC feedback during extreme Central and Eastern El Niño episodes (C and E episodes, respectively) has received… read more here.

Keywords: walker; walker circulation; diversity; ascending branch ... See more keywords
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Bringing proxemics to walker-assisted gait: using admittance control with spatial modulation to navigate in confined spaces

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Published in 2021 at "Personal and Ubiquitous Computing"

DOI: 10.1007/s00779-021-01521-8

Abstract: Smart walkers may be used to assist human navigation. However, social conventions and human behavior should be taken into consideration to allow their interaction with other people. This paper presents a navigation strategy for a… read more here.

Keywords: walker; walker assisted; bringing proxemics; proxemics walker ... See more keywords
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Hybrid constellation design using a genetic algorithm for a LEO-based navigation augmentation system

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Published in 2020 at "GPS Solutions"

DOI: 10.1007/s10291-020-00977-0

Abstract: A low earth orbit (LEO) constellation can support broadband Internet access and can also be a platform for navigation augmentation for global navigation satellite systems. LEO satellites have the potential to transmit very strong navigation… read more here.

Keywords: navigation; visible satellites; navigation augmentation; constellation ... See more keywords
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A target-triggered biosensing platform for detection of HBV DNA based on DNA walker and CHA.

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Published in 2018 at "Analytical biochemistry"

DOI: 10.1016/j.ab.2018.05.024

Abstract: Hepatitis B virus (HBV), one of the causative agents of viral hepatitis, may lead to chronic hepatitis, cirrhosis, and liver cancer. In this work, we designed a sensitive and modular biosensing platform for detecting HBV… read more here.

Keywords: detection; dna; dna walker; hbv dna ... See more keywords
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Priming biological motion changes extrapersonal space categorization.

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Published in 2017 at "Acta psychologica"

DOI: 10.1016/j.actpsy.2016.11.006

Abstract: Recent results have shown that the way we categorize space varies as a function of the frame of reference. If the reference frame (RF) is another person vs. an object, the distance is judged as… read more here.

Keywords: human body; motion; point light; space ... See more keywords
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On Fermi-Walker transformation for timelike flows in spacetime

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Published in 2021 at "Journal of Geometry and Physics"

DOI: 10.1016/j.geomphys.2021.104353

Abstract: Abstract In this manuscript, we firstly suggest different type for Fermi-Walker transportations along with flow lines of a non-vanishing vector field in Minkowski spacetime. Moreover, we construct the evolution equations of Frenet fields by Fermi-Walker… read more here.

Keywords: transformation timelike; minkowski spacetime; walker; timelike flows ... See more keywords
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Inertial navigation algorithm for trajectory of front-wheel walker estimation

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Published in 2019 at "Heliyon"

DOI: 10.1016/j.heliyon.2019.e01896

Abstract: In this paper, we propose a system for trajectory of walker estimation. The system consists of an inertial measurement unit (IMU) and two encoders attached to a front-wheel walker. The IMU is employed to estimate… read more here.

Keywords: front wheel; wheel walker; walker; walker estimation ... See more keywords
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Walking my way? Walker gender and display format Confounds the perception of specific emotions.

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Published in 2018 at "Human movement science"

DOI: 10.1016/j.humov.2017.10.012

Abstract: Previous evidence has shown that males and females display different gait kinematics which may influence the perception of emotions displayed through the same walking gait. We therefore investigated the influence of walker gender on the… read more here.

Keywords: anger fear; walker gender; walker; perception ... See more keywords
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Asymptomatic Dandy Walker variant in adult

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Published in 2019 at "Journal of the Neurological Sciences"

DOI: 10.1016/j.jns.2019.10.1601

Abstract: Introduction Dandy-Walker Malformation is a rare congenital malformation which is characterized by the agenesis or hypoplasia of vermis cerebellum, cyst dilation of 4th ventricle and enlargement of posterior fossa. The incidence of Dandy-Walker Malformation (DWM)… read more here.

Keywords: walker malformation; dandy walker; asymptomatic dandy; walker ... See more keywords
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Double-site DNA walker based ternary electrochemiluminescent biosensor.

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Published in 2020 at "Talanta"

DOI: 10.1016/j.talanta.2020.121274

Abstract: A novel biosensor was developed on the basis of Ru(dcbpy)(bpy)22+/tripropylamine (TPrA)/TiO2 nanocrystallines (TiO2 NCs) as efficient electrochemiluminescence (ECL) ternary system and enzyme-driven double-site DNA walker as signal amplification strategy for the sensitive detection of carcinoembryonic… read more here.

Keywords: site dna; biosensor; double site; walker ... See more keywords