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455 results for “microwave”
Data for: "High-resolution Soil Moisture Evolution in Hyper-arid Regions: A Comparison of InSAR, SAR, Microwave, Optical, and Data Assimilation Systems in the southern Arabian Peninsula"
<p>Data accompanying the publication: High-resolution Soil Moisture Evolution in Hyper-arid Regions: A Comparison of InSAR, SAR, Microwave, Optical, and Data Assimilation Systems in the southern Arabian Peninsula. For filenames starting with T: Exponential fit parameters time0 and mag0 for InSAR coherence data. they are binary files, where fit = a*exp(-b*x); a = -log(mag0); b = 1/time0. timeerr contains the uncertainty of the time0 parameter, and maghigh/maglow contain the high and low uncertainty for the mag0 parameter, respectively. For for each frame or overlap region (T101, T28, T130, T28_T101, T130_T28), there is a vrt file (T..._20180524.time0.vrt), which is the metadata file applicable to all files of the same frame. Files starting with mags_times: Exponential fit parameters for ASCAT/SMAP/GLDAS data. the same parameters (time0, timeerr, mag0, maghigh, maglow) can be found in these matlab structure files. In addition, the .mat files contain the offset parameter and related uncertainty, as well as lat/lon information. </p>
Upcycling food ingredients from orange by-products by hot air-microwave drying. Impact on energy consumption.
<p>Currently industrial citrus by-products represent a relevant environmental issue. The main aim of this work was the chemical characterization of the different bioactive compounds obtained after hot air-microwave drying (HAD+MW) of orange by-products, and their further conversion into three <strong>upcycled </strong>ingredients with health-related benefits: aqueous extract, ethanolic extract and <strong>dietary fibre</strong>. Total phenolics, antioxidant capacity, individual phenolic acids, flavonoids, limonin and carotenoids were monitored during blanching and colour extraction steps by analysing fresh by-products and process co-products: an aqueous extract rich in polyphenols and an ethanolic extract rich in carotenoids. After drying, the resulting fibre was characterized in terms of chemical composition, soluble and insoluble dietary fibre content and particle size. Technological properties and colour were compared to those of commercial citrus fibre. Energy and time consumption were compared with conventional hot air drying (HAD). Most polyphenols (50-65 %) and limonin (70 %) were extracted during the blanching step. 86 % of carotenoids were removed by soaking in ethanol. The orange fibre obtained had 71.9 g DF/ 100 g and antioxidant properties (205 mg TE/ Kg<sub>dm</sub>). Whiteness, water retention capacity and oil retention capacity were similar to commercial citrus fibre. HAD+MW reduced drying time and energy consumption by up to 50 % compared to HAD.</p>
Supplement to "On the accuracy of RTTOV-SCATT for radiative transfer at all-sky microwave and submillimeter frequencies"
<p>This supplement contains a set of realistic cloudy and precipitating conditions from the Integrated Forecast System (IFS) of the European Centre for Medium-Range Weather Forecasts (ECMWF) and the corresponding simulated brightness temperatures for the journal article “On the accuracy of RTTOV-SCATT for radiative transfer at all-sky microwave and submillimeter frequencies”, which is under review at the Journal of Quantitative Spectroscopy and Radiative Transfer. These data are available as benchmark for model developers.</p> <p>The IFS profiles correspond to model data interpolated (using the IFS observation operator) to the locations of the Atmospheric Infrared Sounder (AIRS) for a 12 h period centred on 03 UTC on 1 November 2018. Note that only a subset of the full set of AIRS locations are supplied here. The IFS model version cycle 46r1 was used, in a research experiment, to generate these profiles. The model was configured to T1279co resolution (about 8-9 km) with 137 levels in the vertical. The forecast was initialized from operational analyses at 18 UTC on 31 October 2018, and hence corresponds to the 12 h forecast "background" used in the data assimilation cycle.</p> <p>The following information concerns only the IFS model data:</p> <ul> <li>Copyright statement: Copyright "© 2022 European Centre for Medium-Range Weather Forecasts (ECMWF)".</li> <li>Source: www.ecmwf.int.</li> <li>Disclaimer: ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.</li> <li>Licence Statement: This data is published under a Creative Commons Attribution 4.0 International (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/.</li> <li>Further information on the ECMWF data policy, and guidance on how to comply with it, is at https://apps.ecmwf.int/datasets/licences/general/.</li> </ul> <p>The simulated brightness temperatures are also distributed under Creative Commons Attribution 4.0 International (CC BY 4.0).</p> <p>The full journal description of this dataset is currently under review, with the current citation:</p> <p>Barlakas, V., Galligani, V. S., Geer, A. J., Eriksson, P., 2022. On the accuracy of RTTOV-SCATT for radiative transfer at all-sky microwave and submillimeter frequencies. Submitted to Journal of Quantitative Spectroscopy and Radiative Transfer.</p> <p>The work of Vasileios Barlakas at Chalmers University of Technology is funded by a EUMETSAT fellowship program.</p>
Replication package of "The Chemical Origins of Plasma Contraction and Thermalization in CO2 Microwave Discharges" by A.W. van de Steeg et al.
<p>Title: The Chemical Origins of Plasma Contraction and Thermalization in CO2 Microwave Discharges<br> Authors: A.W. van de Steeg, L. Vialetto, A.F. Sovelas da Silva, P. Viegas, P. Diomede, M.C.M. van de Sanden, G.J. van Rooij<br> Journal: The Journal of Physical Chemistry Letters<br> Date: 2022-02-11<br> Description: <br> In this letter first Thomson scattering measurements in pure CO2 plasma were reported. The measurements show a thermalazation of electron temperature and gas temperature occurs with increasing pressure, coinciding with plasma contraction.<br> A 1D model is coupled with these measurements to elucidate the mechanisms behind both phenomena. Thus, it is revealed that associative ionization of radicals plays a crucial role. It connects thermal properties (gas temperature, heat and mass transport) with electon properties. <br> Access rights: Open<br> License: Creative Commons Attribution 4.0</p> <p><br> This replication package consists of the raw data used for the creation of each figure, ie measurement data, together with the python scripts used for data treatment.</p> <p>Most raw data is in the form of .spe files. The python library (by D.v.d. Bekerom) calibrate_fiber_pos is always used to read these camera images.</p> <p>The modelling data can be found separately in the publication of L. Vialetto (ref 20 in the Letter).<br> </p>
Broadband microwave detection using electron spins in a hybrid diamond-magnet sensor chip
<p>Dataset accompanying "Broadband microwave detection using electron spins in a hybrid diamond-magnet sensor chip". </p>
Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons
<p>Here we upload the raw data from the manuscript entitled “Propagation, dissipation and breakdown in quantum anomalous Hall edge states probed by microwave edge plasmons ”, by T. Röper, H. Thomas, D. Rosenbach, A. Uday, G. Lippertz, A. Denis, P. Morfin, A.A. Taskin, Y. Ando and E. Bocquillon. We provide Jupyter notebooks to load, process, and plot all results. The datasets contain measurements on 4 devices. Each device has its own Jupyter notebook. The necessary Python packages are listed in the file called "requirements.txt". <br><br><br></p>
Data set for "Bidirectional microwave-optical transduction based on integration of high-overtone bulk acoustic resonators and photonic circuits"
<p>The repository contains raw data, processing scripts, simulation and GDS files for the manuscript "Bidirectional microwave-optical transduction based on integration of high-overtone bulk acoustic resonators and photonic circuits". For detailed usage instructions, please take a look at the README.txt file. </p>
Brightness temperature data and weather station data from general scans of the microwave radiometer HATPRO
<p>This set contains brightness temperature observations and associated weather station data from microwave radiometer HATPRO for three events on Jul 27 and Aug 1, 2023.</p>
Production of hydrochar fuel by microwave-hydrothermal carbonisation of olive pomace slurry from olive oil industry for combustion application
<p><span>Extended dataset for research article titled “Production of hydrochar fuel by microwave-hydrothermal carbonisation of olive pomace slurry from olive oil industry for combustion application.” It includes the following data files: </span></p> <p><span>(1) Dataset description.txt (provides abbreviations or codes of samples and their properties); Checksum MD5 code = a2fc3f46e9d3ef61f390f93f4a45fa97 </span></p> <p><span>(2) Extended dataset v1.0.xlsx (data files for the biochemical, proximate, ultimate, HHV, and mineral characteristics of raw material (two-phase olive pomace slurry) and hydrochars; Checksum MD5 code = 01469e10c1133367d41c5ab5553a9616</span></p> <p><span>(3) 13C Solid NMR data.zip (raw data files for 13C-solid nuclear magnetic resonance analysis of raw material and hydrochars); Checksum MD5 code = dd446a11e92cef9d63ee5e2f5786ee7c</span></p> <p><span>(4) TGA-DTA data.zip (raw data for thermal gravimetric analysis of raw material and hydrochars); Checksum MD5 code = 0bb2a59e6cc3c2b3de0492ac057fa626</span></p> <p><span>(5) FTIR data.zip (raw data for fourier transform infrared analysis of raw material and hydrochars); Checksum MD5 code = ff20a5545198ec7b395506ccdd841e82</span></p> <p> </p> <p> </p>
Raw data for Microwave-assisted Condensation Approach for Vanadium Silicate Microspheres and Their Catalytic Activity in Cyclohexene Epoxidation and Ethyl Lactate Oxidation
<p><strong>Specification of affiliations:</strong></p> <ul> <li>David Skoda - Centre of Polymer Systems</li> <li>Kamila Kuzelova - Centre of Polymer Systems</li> <li>Rajendran Blessy Pricilla - Centre of Polymer Systems</li> <li>Barbora Hanulikova - Centre of Polymer Systems</li> <li>Michal Urbanek - Centre of Polymer Systems</li> <li>Ales Styskalik - Department of Chemistry, Faculty of Science</li> <li>Tomas Pokorny - Department of Chemistry, Faculty of Science</li> <li>Iaroslav Doroshenko - Department of Chemistry, Faculty of Science</li> <li>Lucie Simonikova - Department of Chemistry, Faculty of Science</li> <li>Ivo Kuritka - Centre of Polymer Systems</li> </ul> <p> </p> <p>Raw data for the research paper. Information on the data collection are described in the manuscript.</p>
Dataset for "Calibrated transmission and reflection from a multi-qubit microwave package"
<p>Dataset needed to reproduce figures 3 and 4 of "Calibrated transmission and reflection from a multi-qubit microwave package". Included are </p> <ol> <li>raw (calibrated) S-parameter data </li> <li>a Python notebook to apply time domain gating and then display the S-parameters of the multi-qubit package (Fig. 3). Requires Scikit-rf (<a href="https://scikit-rf.org/">https://scikit-rf.org/</a>) to be installed.</li> <li>a Python notebook to display the simulated impact of signal distortions on quantum gate fidelities of a qubit within the package (Fig. 4). </li> </ol>
A Novel Architecture for room temperature microwave optomechanical experiments
<p>The dataset contains cavity optomechanical measurements of the Si<sub>3</sub>N<sub>4</sub> membrane at room temperature. These datasets correspond to different techniques to extract single photon coupling rate g<sub>0</sub>. The files with the name starting with fig_2 are about the characterization of the microwave cavity (S<sub>21</sub>) and Si<sub>3</sub>N<sub>4</sub> membrane (noise spectrum). The file names with initials as fig_3 is contains data of noise spectrum when Si<sub>3</sub>N<sub>4</sub> membrane is driven by white noise using piezoelectric transducer. It is the file names with initials as fig_4 that are about the optically induced transparency/absorption, while the file names with initials as fig_5 are about the driven nonlinear Si<sub>3</sub>N<sub>4</sub> membrane.</p>
Dataset for "Biodegradable materials as sensitive coatings for humidity sensing in S-band microwave frequencies"
<p>This dataset contains the data collected during the SNSF BRIDGE GREENsPACK project (Grant no. 40B2-0_187223) in association with the recent publication entitled “Biodegradable materials as sensitive coatings for humidity sensing in S-band microwave frequencies”.</p> <p>This work aims to study the humidity response of eco-friendly materials in the S-band (2-4GHz) using a microstrip line resonating at 3.3GHz. Several sensors coated with different biodegradable materials were tested and simulations have been performed. The S12 signal of the resonator was measured when varying the humidity. The data that was collected in the frame of this work is present in this repository.</p> <p>More information about the content of the dataset is present in the included README file.</p>
Rainfall maps from commercial microwave link data for Ouagadougou, Burkina Faso
<p>Rainfall maps from commercial microwave link data for Ouagadougou, Burkina Faso, accompanying a submission to <em>Journal of Hydrometeorology </em>(<em>JHM</em>) are store in <em>CML_rainfall_maps_Ougadougou.nc</em> . The generation of these rainfall maps is described in the manuscript.</p> <p>The data are stored in a netCDF file with the dimensions <em>x</em>, <em>y</em> and <em>time</em>, <em>longitude</em> and <em>latitude</em> values defining the grid, and the variable <em>rain_rate </em>holding the rainfall maps.</p> <ul> <li>The dataset covers the area over Ouagadougou (longitude: -1.61 to -1.415 and latitude: 12.27 to 12.45) in a regular space grid of 72x79 with 0.55 km grid size.</li> <li>The temporal resolution is 5 minutes for the period from 2020-06-29 to 2020-10-10 <em> </em></li> </ul> <p>As supplementary material an animation (<em>Animation_2020_08_21.mp4</em>) showcases two rainfall events from 18:30 to 21:00 UTC on 2020-08-21.</p>
Data of findings in the article "Optomechanical ring resonator for efficient microwave-optical frequency conversion" by I.T. Chen et al.
<p>Data of findings in the article "Optomechanical ring resonator for efficient microwave-optical frequency conversion" by I.T. Chen et al.</p>
Data and code for figures: Ultralow-Noise Photonic Microwave Synthesis using a Soliton Microcomb-based Transfer Oscillator
<p>This repository contains the data and code for the paper "Ultralow-Noise Photonic Microwave Synthesis using a Soliton Microcomb-based Transfer Oscillator".</p>
Optomechanical microwave amplification without mechanical amplification
<p>High-gain and low-noise signal amplication is a valuable tool in various cryogenic microwave experiments. A microwave optomechanical device, in which a vibrating capacitor modulates the frequency of a microwave cavity, is one technique that is able to amplify microwave signals with high gain and large dynamical range. Such optomechanical ampliers typically rely on strong backaction of microwave photons on the mechanical mode achieved in the sideband-resolved limit of optomechanics. Here, we observe microwave amplication in an optomechanical cavity in the extremely unresolved sideband limit. A large gain is observed for any detuning of the single pump tone within the cavity linewidth, a clear indication that the amplication is not induced by dynamical backaction. By being able to amplify for any detuning of the pump signal, the amplication center frequency can be tuned over the entire range of the broad cavity linewidth. Additionally, by providing microwave amplication without mechanical amplication, we predict that using this scheme it is possible to achieve near-quantum-limited microwave amplication despite a large thermal occupation of the mechanical mode.</p>
Data from: Evaluation of the Laguerre-Gaussian mode purity produced by 3D-printed microwave spiral phase plates
Computer-aided design software and additive manufacturing provide flexibility in the direct fabrication of multi-material devices. This design and fabrication versatility has been investigated for the manufacture of dielectric spiral phase plates (SPP) to generate electromagnetic waves with helical wave-fronts. Three types of SPPs designed to produce an orbital angular momentum (OAM) mode number l=|1| were additively manufactured using multi-material extrusion and multijet fabrication methods. The phase mode and mode characteristics of transformed helical microwaves as a function of the SPP geometrical features was investigated experimentally in the 12 to 18 GHz frequency range, providing high purity at characteristic frequencies. The SPPs were further combined with an additively manufactured dielectric lens that provided a marked improvement in OAM mode purity. Finally, multiplexing and de-multiplexing of two OAM modes were demonstrated successfully using the optimum SPP geometry and design.
Uncertainties associated with microwave link rainfall estimates in an urban environment
<p>These dataset were collected from a dedicated microwave link setup between Mt View Reservoir (T) and 33 Lakeside Burwood (R). There were two OTT1 disdrometers installed at both ends of the microwave link complemented by 3 tipping bucket rain gauges. </p>
Data and code for figures in "A dissipative quantum reservoir for microwave light using a mechanical oscillator"
<p>Data and code used to produce the figures in "A dissipative quantum reservoir for microwave light using a mechanical oscillator".</p> <p>The code is tested with Python 2.7.10, Matplotlib 2.0.0b4, Scipy 0.18.0.</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.