Results 21 to 30 of about 2,447,227 (317)

Towards a Frame of Reference for Smart City Strategy Development and Governance

open access: yesJournal of Computer Science, 2020
Despite the importance of the smart city concept, few works address how to define and implement smart cities in a clear manner. Furthermore, the smart city literature provides heterogeneous studies and solutions; this heterogeneity creates ...
Zineb Korachi, B. Bounabat
semanticscholar   +1 more source

Operational Quantum Reference Frame Transformations [PDF]

open access: yesQuantum, 2023
Quantum reference frames are needed in quantum theory for much the same reasons that reference frames are in classical theories: to manifest invariance in line with fundamental relativity principles and to provide a basis for the definition of observable
T. Carette, Jan Glowacki, L. Loveridge
semanticscholar   +1 more source

Microarcsecond instability of the celestial reference frame [PDF]

open access: yes, 1998
The fluctuation of the angular positions of reference extragalactic radio and optical sources under the influence of the irregular gravitational field of visible Galactic stars is considered.
Kalinina, T. A.   +3 more
core   +3 more sources

Sharing Different Reference Frames: How Stimulus Setup and Task Setup Shape Egocentric and Allocentric Simon Effects

open access: yesFrontiers in Psychology, 2018
Different reference frames are used in daily life in order to structure the environment. The two-choice Simon task setting has been used to investigate how task-irrelevant spatial information influences human cognitive control.
Pamela Baess   +2 more
doaj   +1 more source

What is the Solar Wind Frame of Reference?

open access: yesAstrophysical Journal, 2020
Various solar wind ion species move with different speeds and theoretical considerations as well as limited observations in a region close to the Sun show that heavy solar wind ions tend to flow faster than protons, at least in less-aged fast solar wind ...
Z. Němeček   +8 more
semanticscholar   +1 more source

Transference Number in Polymer Electrolytes: Mind the Reference-Frame Gap [PDF]

open access: yesJournal of the American Chemical Society, 2022
The transport coefficients, in particular the transference number, of electrolyte solutions are important design parameters for electrochemical energy storage devices.
Yunqi Shao   +3 more
semanticscholar   +1 more source

What is the role of spatial processing in the decline of episodic memory in Alzheimer's disease? The "mental frame syncing" hypothesis

open access: yesFrontiers in Aging Neuroscience, 2014
The current theories on episodic memory suggest a crucial role of spatial processing for an effective retrieval. When prompted by a retrieval cue, the full past scene can be retrieved through the process of pattern completion.
Silvia eSerino   +2 more
doaj   +1 more source

Functional and Structural Architectures of Allocentric and Egocentric Spatial Coding in Aging: A Combined DTI and fMRI Study

open access: yesFrontiers in Neurology, 2022
BackgroundAging disrupts the optimal balance between neural nodes underlying orienting and attention control functions. Previous studies have suggested that age-related changes in cognitive process are associated to the changes in the myelinated fiber ...
Abiot Y. Derbie   +3 more
doaj   +1 more source

Impact of the terrestrial reference frame on the determination of the celestial reference frame

open access: yesGeodesy and Geodynamics, 2019
Currently three up-to-date Terrestrial Reference Frames (TRF) are available, the ITRF2014 from IGN, the DTRF2014 from DGFI-TUM, and JTRF2014 from JPL. All use the identical input data of space-geodetic station positions and Earth orientation parameters ...
Maria Karbon   +2 more
doaj   +1 more source

Relative subsystems and quantum reference frame transformations [PDF]

open access: yesCommunications Physics, 2021
Recently there has been much effort in developing a quantum generalisation of reference frame transformations. Despite important progress, a complete understanding of their principles is still lacking.
Esteban Castro-Ruiz, O. Oreshkov
semanticscholar   +1 more source

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