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750 results for “coherence”
Data from: Microhabitats in the tropics buffer temperature in a globally coherent manner
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Coherence resonance in a nonlinear aeroelastic system
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Data from: Extracting coherent tree-ring climatic signals across spatial scales from extensive forest inventory data
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A practical approach to functional optical coherence tomography shows abnormal retinal responses in Alzheimer’s disease
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Data for "Coherent phonon dynamics in spatially-separated graphene mechanical resonators"
<p>Data for "Coherent phonon dynamics in spatially-separated graphene mechanical resonators"</p>
Dataset for "The Emergence of inertial waves from coherent vortex source in strongly coupled dusty plasma"
<p><strong>fig1.zip:</strong> This zip file contains three folders of data for \Gamma=9, 50, and 110 to plot fig.1.</p> <p>Each folder has two data files namely QUIVER_time_30 and QUIVER_time_60 correspond to time t=30 and 60, respectively. To plot vorticity, position and velocities along the x-axis, y-axis, and corresponding vorticity are required. In QUIVER_time_* files, the first five columns are x-position, y-position, velocity along the x-axis (v<sub>x</sub>), velocity along the y-axis (v<sub>y</sub>), and vorticity.</p> <p> </p> <p><strong>fig2.zip:</strong> fig2.zip folder has data file for time_1, time_5, time_8, time_10. Each time_* files contain five columns. They are as follows:</p> <p>Col-1: Serial number</p> <p>Col-2: x-position</p> <p>Col-3: y-position</p> <p>Col-4: velocity along the x-axis (v<sub>x</sub>)</p> <p>Col-5: velocity along the y-axis (v<sub>y</sub>)</p> <p>Plotting script is given insider the folder.</p> <p> </p> <p><strong>fig3.zip: </strong>fig3.zip folder has STATE file for various initial velocity U<sub>0</sub>. Each STATE_* files contain five columns. They are as follows:</p> <p> </p> <p>Col-1: Serial number</p> <p>Col-2: x-position</p> <p>Col-3: y-position</p> <p>Col-4: velocity along the x-axis (v<sub>x</sub>)</p> <p>Col-5: velocity along the y-axis (v<sub>y</sub>)</p> <p> </p> <p>Plotting script is given insider the folder.</p> <p> </p> <p><strong>fig4.zip: </strong>This zip file contains four folders of data for \kappa=0.5, 1.0, 2.0, and 5.0 to plot fig.4.</p> <p>Each folder has 151 data files, namely QUIVER_time_*, which corresponds to various times. To plot wave propagation, position, and velocities along the x-axis, the y-axis is required. In QUIVER_time_* files, the first five columns are x-position, y-position, velocity along the x-axis (v<sub>x</sub>), velocity along the y-axis (v<sub>y</sub>), and vorticity.</p> <p><strong>fig5.txt:</strong> Data file has various rows. They are as follows:</p> <p>Row-1: Various \kappa values</p> <p>Row-2: Longitudinal sound speed</p> <p>Row-3: Transverse sound speed</p> <p>Row-4: Various \kappa values to plot C<sub>NLW </sub>for various initial velocities vs \kappa values</p> <p>Row-5 to 11: Speed of nonlinear wave C<sub>NLW</sub> for various initial velocities U<sub>0</sub>=0.1, 0.35, 0.75, 1.5, 2.5, 3.5, 5.0.</p> <p> </p> <p><strong>fig6.txt:</strong> First and second rows correspond to Mach numbers and maximum amplitude of absolute value of nonlinear wave velocity along x-direction (v<sub>x</sub>), respectively.</p> <p> </p> <p> </p>
COVID-19 and Wavelet Coherence
<p>Data is related to COVID-19, Crude oil prices, and atmospheric CO<sub>2</sub>.</p>
Multi-scale optical coherence tomography imaging and visualization of Vermeer's Girl with a Pearl Earring
<p>The data sets, software, and figures accompany the publication:</p> <p>"Multi-scale optical coherence tomography imaging and visualization of Vermeer's Girl with a Pearl Earring", Optics Express 28, 26239 (2020) <a href="https://doi.org/10.1364/OE.390703">https://doi.org/10.1364/OE.390703</a></p> <ul> <li>Fig4_largescaleOCT.pdf, high resolution image of figure 4 of the manuscript</li> <li>Fig5_mediumscaleOCT.pdf, high resolution image of figure 5 of the manuscript</li> <li>Fig6_smallscaleOCT.pdf, high resolution image of figure 6 of the manuscript</li> <li>GWPE_DEMO_V5.zip<br> Zip file of a Windows executable of the virtual rendering of the Girl with the Pearl Earring. The readme file describes the operation of the virtual rendering.</li> <li>Stitching_README.txt Describes the stitching software and the accompanying data sets</li> <li>MS-OCT surface data: <ul> <li>SurfaceStitchedKwadrant11.npy</li> <li>SurfaceStitchedKwadrant12.npy</li> <li>SurfaceStitchedKwadrant21.npy</li> <li>SurfaceStitchedKwadrant22.npy</li> <li>UpperInterfaceMatrixRawdataKwadrant11.npy</li> </ul> </li> <li>MS-OCT thickness data <ul> <li>FullResGlazeStratigraphyThicknessKwadrant11.npy</li> <li>FullResGlazeStratigraphyThicknessKwadrant12.npy</li> <li>FullResGlazeStratigraphyThicknessKwadrant21.npy</li> <li>FullResGlazeStratigraphyThicknessKwadrant22.npy</li> </ul> </li> <li>MS-OCT Scattering strength data <ul> <li>FullResScatteringStrengthKwadrant11.npy</li> <li>FullResScatteringStrengthKwadrant12.npy</li> <li>FullResScatteringStrengthKwadrant21.npy</li> </ul> </li> <li>Main.py, DataAnalysisFunctionsRepository.py, and ReadAndCombineKwadrantData.py are Python files for stitching the four quadrants of data together. Runs in Python >3.5. Full stitching image takes more than an hourFullResScatteringStrengthKwadrant22.npy</li> <li>Plot_measure.py and plot_fit.py<br> Analysis of the BRDF measurements of the black underlayer background (RU1) and glaze layer (RU5). Runs in Python > 3.5</li> <li>Visualization1.ave<br> Video of the multi-scale multi-parameter OCT data set of the Girl</li> <li>Visualization2.mp4<br> Video showing an impression of the interactive demo of the Girl <ul> </ul> </li> </ul>
Cerebellar Purkinje cells can differentially modulate coherence between sensory and motor cortex depending on region and behavior
<p>Dataset belonging to "Cerebellar Purkinje cells can differentially modulate coherence between sensory and motor cortex depending on region and behavior" (https://doi.org/10.1073/pnas.2015292118)</p>
Event-Related Coherence in Visual Cortex and Brain Noise: An MEG Study
<p>Experimental data analysed in the publication:</p> <p>Chholak, P.; Kurkin, S.A.; Hramov, A.E.; Pisarchik, A.N. Event-Related Coherence in Visual Cortex and Brain Noise: An MEG Study. <em>Appl. Sci.</em> <strong>2020</strong>, 0, 5. https://doi.org/10.3390/app0010005</p> <p> </p>
Data from: The application of optical coherence tomography to image subsurface tissue structure of Antarctic krill Euphausia superba
Many small open ocean animals, such as Antarctic krill, are an important part of marine ecosystems. To discover what will happen to animals such as krill in a changing ocean, experiments are run in aquaria where conditions can be controlled to simulate water characteristics predicted to occur in the future. The response of individual animals to changing water conditions can be hard to observe, and with current observation techniques it is very difficult to follow the progress of an individual animal through its life. Optical coherence tomography (OCT) is an optical imaging technique that allows images at high resolution to be obtained from depths up to a few millimeters inside biological specimens. It is compatible with in vivo imaging and can be used repeatedly on the same specimens. In this work, we show how OCT may be applied to post mortem krill samples and how important physiological data such as shell thickness and estimates of organ volume can be obtained. Using OCT we find an average value for the thickness of krill exoskeleton to be (30±4) µm along a 1 cm length of the animal body. We also show that the technique may be used to provide detailed imagery of the internal structure of a pleopod joint and provide an estimate for the heart volume of (0.73±0.03) mm3.
Data from: The Chlamydiales pangenome revisited: structural stability and functional coherence
The entire publicly available set of 37 genome sequences from the bacterial order Chlamydiales has been subjected to comparative analysis in order to reveal the salient features of this pangenome and its evolutionary history. Over 2,000 protein families are detected across multiple species, with a distribution consistent to other studied pangenomes. Of these, there are 180 protein families with multiple members, 312 families with exactly 37 members corresponding to core genes, 428 families with peripheral genes with varying taxonomic distribution and finally 1,125 smaller families. The fact that, even for smaller genomes of Chlamydiales, core genes represent over a quarter of the average protein complement, signifies a certain degree of structural stability, given the wide range of phylogenetic relationships within the group. In addition, the propagation of a corpus of manually curated annotations within the discovered core families reveals key functional properties, reflecting a coherent repertoire of cellular capabilities for Chlamydiales. We further investigate over 2,000 genes without homologs in the pangenome and discover two new protein sequence domains. Our results, supported by the genome-based phylogeny for this group, are fully consistent with previous analyses and current knowledge, and point to future research directions towards a better understanding of the structural and functional properties of Chlamydiales.
Data from: Optical coherence tomography is highly sensitive in detecting prior optic neuritis
Objective: To explore sensitivity of optical coherence tomography (OCT) in detecting prior unilateral optic neuritis. Methods: Retrospective, observational clinical study of all patients who presented from 1/1/14 to 6/1/17 with unilateral optic neuritis and OCT available at least three months after the attack. We compared OCT retinal nerve fiber layer (RNFL) and ganglion cell inner plexiform layer (GCIPL) thicknesses between affected and unaffected contralateral eyes. We excluded patients with concomitant glaucoma or other optic neuropathies. Based on analysis of normal controls, thinning was considered significant if RNFL was at least 9-µm or GCIPL was at least 6-µm less in affected eye compared to unaffected eye. Results: Fifty-one patients (18 male and 33 female) were included in the study. RNFL and GCIPL thicknesses were significantly lower in eyes with optic neuritis compared to unaffected eyes (p<0.001). RNFL was thinner by ≥9-µm in 73% of optic neuritis eyes compared to the unaffected eye. GCIPL was thinner by ≥6-µm in 96% of optic neuritis eyes. The sensitivity of OCT in detecting prior optic neuritis was 96% when using both average RNFL and GCIPL thicknesses. When using a threshold ≤1st percentile of age-matched controls, sensitivities were 37% for RNFL, 76% for GCIPL, and 78% for either GCIPL or RNFL thicknesses, each of which was lower than those calculated using the inter-eye difference as the threshold (p<0.05). Conclusions: OCT, especially in GCIPL, is a highly sensitive modality in detecting prior optic neuritis, which is made more robust by using inter-eye differences to approximate change.
Corticomuscular coherence during upright standing in unilateral transfemoral amputees
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Emission and coherent control of Levitons in graphene
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Mapping of valley-splitting by conveyor-mode spin-coherent electron shuttling
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Data - Sensitive optical free-space receiver architecture for coherent combining of deep-space communication signals through atmospheric turbulence
<p>This dataset contains simulation code (MATLAB), generated fiber-field data and plotting scripts to generate the results in "Sensitive optical free-space receiver architecture for coherent combining of deep-space communication signals through atmospheric turbulence". Measured data and noise signal generation scripts are also included.</p> <p>This is version 2 of the dataset which features minor changes to make the scripts simpler to run (compared to the previous version) as well as detailed instructions on how to run them and generate the figures from the paper (see README.txt).</p> <p>This work was funded by the Swedish Research Council (grant VR-2015-00535).</p>
Coherent, atomically thin transition-metal dichalcogenide superlattices with engineered strain
<p>The sample is coherent WS<sub>2</sub>-WSe<sub>2</sub> superlattice (Xie, et al. Science 359, 1131-1136 (2018)). The datasets were collected by electron microscope pixel array detector (EMPAD) under the condition described in this paper (Han, et al. Nano Letters, 18, 3746-3751 (2018)). The rotation angle between the real space and diffraction space in these datasets is 37 degrees. The data have also been analyzed in our recent paper (arXiv:2111.06496) and a conference proceeding (Shi, et al. Microsc. Microanal. 27 Suppl 1, 2021). </p>
Functional integration of multiple sexual ornaments: signal coherence and sexual selection
<p><span>The sexual ornamentation of animals typically consists of multiple distinct traits. The classical research approach focuses on differences among these traits, but this approach may often be misleading because of correlations among distinct sexual traits of similar origins. There are many published studies on the correlation structures of sexual traits, but the way receivers take into account the components of an integrated, multi-component trait system remains mostly unknown. Here we propose a general analytical framework to assess the possible sexual selection consequences of within-individual coherence in the expression of multiple correlated sexual traits. We then apply this framework to a long-term mutual plumage coloration data set from a wild bird population. The results suggest that the coherence of component plumage color traits is not sexually selected. However, component trait coherence affects sexual selection on integrated plumage color. When assessing across-spectrum plumage reflectance, receivers choosing mates apparently disregard a component trait if it is inconsistent with the overall expression of other components. This indicates that separately examining and manipulating distinct sexual traits may often be misleading. Theoretical and empirical studies should further explore the effects of coherence on the ornament-preference</span><span> co-evolution.</span></p>
Building coherence at bbc.co.uk
<p>Think of the BBC as a storytelling organisation; then think of the transition needed from<br> storytelling in the world of linear broadcasting to that of the non-linear, hypertext world<br> of the web. The value in a website lies not in its implicit (meta)data of the domain model<br> but rather in the way the domain model overlaps and intersects with other domains. As<br> ever the links are more important than the nodes because that’s were the context lives:<br> programmes:segment music:track, programmes:segment food:recipe etc. In this way we<br> weave new ‘user journeys’ into and out of a domain, into and out of bbc.co.uk. From archive<br> episodes no longer available online, to a recipe page, to a chef, to another recipe and back<br> to a recent episode. Using well targeted content specific links we could not only escape the<br> dead end content silos that characterised bbc.co.uk but point users back to programmes<br> that would hopefully inform, educate and all that stuff. In building bbc.co.uk/programmes<br> and bbc.co.uk/music in this way we have kept everything in its right place we’ve built<br> a sane, maintainable, scalable, accessible site that search engines love and can be easily<br> evolved to add new features and functionality. So to anyone considering how best to build<br> websites we’d recommend you throw out the Photoshop and embrace Domain Driven<br> Design and the Linked Data approach every time. Even if you never intend to publish RDF,<br> it just works.</p> <p> </p>
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.