• One of the grand challenges of the Global Precipitation Measurement (GPM) mission is to improve coldseason precipitation measurements in mid- and high latitudes through the use of high-frequency passive microwave radiometry. (nasa.gov)
  • The findings advance our understanding of the role of snow grain shape and mixing state of LAP-snow in land surface processes and offer guidance for improving snow simulations and radiative forcing estimates in Earth system models. (copernicus.org)
  • We will produce initial sensor simulations using these extended libraries to illustrate the modeling techniques, and to conduct example parameter sensitivity studies. (sbir.gov)
  • The models will accurately represent radiometry for a given waveband selection, and accurate signal-to-noise (SNR) modeling using scene generation from standard DoD signature codes. (sbir.gov)
  • CAL-TEK S.r.l. , p. 37-43 7 p. (6th International Workshop on Innovative Simulation for Health Care, IWISH 2017, Held at the International Multidisciplinary Modeling and Simulation Multiconference, I3M 2017). (fh-ooe.at)
  • This computationally challenging problem demands both efficient and accurate simulation of the light transport in the scene, as well as detailed modeling of the geometries, illumination conditions, and material properties. (9pdf.net)
  • Geostatistical modeling of the gas emission zone and its in-place gas content for Pittsburgh-seam mines using sequential Gaussian simulation. (cdc.gov)
  • For this purpose, the Weather Research and Forecasting model (WRF) with the Goddard microphysics scheme is coupled with a Satellite Data Simulation Unit (WRF-SDSU) to facilitate snowfall retrieval algorithms over land by providing a virtual cloud library and corresponding microwave brightness temperature measurements consistent with the GPM Microwave Imager (GMI). (nasa.gov)
  • The Effect of Small-Scale Mammary Glands Structure on the Distribution of the Deep Temperature Using the Microwave Radiometry Diagnostics by Khoperskov A.V., Khrapov S.S., Novochadov V.V., Burnos D.V. is licensed under a Creative Commons Attribution 4.0 International License . (jvolsu.com)
  • Thermal Energy Transfer between Helium Gas and Graphene Surface According to Molecular Dynamics Simulations and the Monte Carlo Method. (pitt.edu)
  • Taylor, F. W., and Coauthors, 1993: Remote sensing of atmospheric structure and composition by pressure modulator radiometry from space: The ISAMS experiment on UARS. (ametsoc.org)
  • High-speed evaluation of track-structure Monte Carlo electron transport simulations. (tamu.edu)
  • There are many instances where Monte Carlo simulation using the track-structure method for electron transport is necessary for the accurate analytical computation and estimation of dose and other tally data. (tamu.edu)
  • For microdosimetry, radiation biology and other applications involving small site and tally sizes, low electron energies or high-Z/low-Z material interfaces where the track-structure method is preferred, a computational device called a field-programmable gate array (FPGA) is capable of executing track-structure Monte Carlo electron-transport simulations as fast as or faster than a standard computer can complete an identical simulation using the condensed history (CH) technique. (tamu.edu)
  • For the most complex test case presented, an FPGA is capable of evaluating track-structure electron-transport problems more than 500 times faster than a standard computer can perform the same track-structure simulation and with comparable accuracy. (tamu.edu)
  • In this study, we applied a modified Soil and Water Assessment Tool (SWAT) to quantify the extent of improvements that the assimilation of remotely sensed Leaf Area Index (LAI) would convey to streamflow, soil moisture, and nitrate load simulations across a 16,860 km2 agricultural watershed in the midwestern United States. (bvsalud.org)
  • ABSTRACT: MZA partnered with the University of Notre Dame proposes to extend MZAs WaveTrain wave-optics sensor simulation framework to model EO/IR sensors operating on hypersonic aircraft. (sbir.gov)
  • To aid in analysis, model simulations have been used to characterize differences between instrument climatologies. (copernicus.org)
  • In this altitude region, a very good agreement is found with trends derived from chemistry-climate model simulations. (copernicus.org)
  • The simulation model uses the Ashley model for electron inelastic scattering, the electron elastic scattering cross section taken from the NIST database, and the stopping power derived from the full Penn algorithm. (sinap.ac.cn)
  • Using a simulation model for the skin, we find that the sweat duct is a critical element. (rplab.ru)
  • We correct a in vitro materials design modern atomistic simulation methods for stakeholder from Business Model You who Constructed their column on Business Model Canvas. (vanderloo.org)
  • Possible discrepancies previously found between the momentum flux calculated from satellite temperature profiles, on site and from model simulations, may to a certain degree be attributed to these distortions. (copernicus.org)
  • 2006) and that a better understanding of GW complexities requires joint analyses of these data and high-resolution model simulations. (copernicus.org)
  • The consequences of these distortions on the calculation of the energy and the vertical flux of horizontal momentum are analyzed and discussed in the context of two experimental limb satellite setups: GPS-LEO radio occultations and TIMED/SABER ((Atmosphere using Broadband Emission Radiometry/Thermosphere-Ionosphere-Mesosphere-Energetics and Dynamics)) measurements. (copernicus.org)
  • Furthermore, WaveTrain has also been used for including subsonic, transonic, and supersonic flow effects in military aircraft sensor simulations. (sbir.gov)
  • WaveTrain simulations of EO/IR sensors including the newly-developed hypersonic effects libraries will enable government researches to rapidly assess engineering trade-offs between sensor bands and determine resolution capabilities of advanced sensors given aperture constraints. (sbir.gov)
  • The extension of the WaveTrain simulation tool to hypersonic sensors will improve the commercial value of MZAs product as industry partners will be able to virtually test new sensor designs in a simulated hypersonic environment. (sbir.gov)
  • MZA will also be able to demonstrate via simulation the value of its adaptive optics systems and deformable mirrors as upgrades to existing military EO/IR sensor technologies. (sbir.gov)
  • We show that assimilating optical sensor-based leaf area index estimates significantly improves the simulation of irrigation water use when compared to the USGS ground reports. (bvsalud.org)
  • The domain- and time-averaged cloud species profiles from the WRF simulations with both microphysical options show identical results (due to weak vertical velocities and therefore the absence of large precipitating liquid or high-density ice particles like graupel). (nasa.gov)
  • Soil Signature Simulation in the Thermal Infrared. (rit.edu)
  • Simulation and experimental results demonstrate that this algorithm has better performance when processing ScanSAR data compared with existing methods. (hindawi.com)
  • Validation of simulation methods for these regimes will facilitate extension to hypersonic platforms. (sbir.gov)
  • These hypersonic aero-optical models will be incorporated into new WaveTrain components allowing for time-domain simulations of EO/IR sensors. (sbir.gov)
  • Representation of irrigation in Earth System Models has advanced over the past decade, yet large uncertainties persist in the effective simulation of irrigation practices, particularly over locations where the on-ground practices and climate impacts are less reliably known. (bvsalud.org)
  • Our demonstration simulations highlight the substantial impacts of these parameters on spatial variability and information loss in water and energy simulations. (copernicus.org)
  • BENEFIT: The proposed Phase I project leverages significant investment by the Air Force and other DoD agencies in development of the WaveTrain wave-optics simulation framework for imaging and laser applications on military aircraft. (sbir.gov)
  • We have also created realistic simulations of targets in their environments using tools like SSGM, OSC, SPF, SPURC for space-based and airborne vehicles. (oksi.ai)
  • Ces témoins sont utilisés pour vous proposer des publicités pertinentes en fonction de votre navigation sur notre site. (usherbrooke.ca)
  • B. Abubakirov and A. V. Savel'ev pp. 883-886 Full Text: PDF (52 kB) ELECTRON AND ION BEAMS, ACCELERATORS Dispersion Dilution of the Beam Emittance in Linear High-Energy Electron Accelerators V. M. Tsakanov pp. 887-895 Full Text: PDF (113 kB) Dynamical Chaos in a Charged-Particle Flow Produced by a Magnetron Injection Gun: Numerical Simulation and Experiment Yu. (suny.edu)
  • The simulation details and results are presented in later sections. (sinap.ac.cn)
  • Water-Vapor Radiometry for GPS and Astronomical interferometry for direct measurement of Continental Drift (under the Geodynamics Program at JPL). (skillsmatter.com)
  • plains are more explanations in the in vitro materials design modern atomistic simulation methods for engineers average. (vanderloo.org)
  • in vitro materials design modern atomistic simulation methods: many by Themeisle. (vanderloo.org)
  • Numerical simulations have been performed to explore the potential of using the 18.0, 21.0 and 37.0 GHZ SMMR channels with simultaneous infrared measurements of cloud top height for retrieving cloud temperature differential and thickness over the ocean. (ametsoc.org)
  • Using fat and muscle tissue models, we have performed both experimental and numerical simulations of a pediatric bladder model using planar dual concentric conductor microstrip antennas at 915 MHz for microwave heating. (duke.edu)
  • The presented numerical and experimental results show excellent concordance, which confirms that the proposed system for microwave heating and radiometry is applicable for safe and reliable heating of pediatric bladder. (duke.edu)
  • Investigation of the Relationship Between the Yucatan Channel Transport and the Loop Current Area in a Multidecadal Numerical Simulation. (fsu.edu)
  • The tides are derived from the 21-year (January 1996-February 2017) Ground-to-Topside model of Atmosphere and Ionosphere for Aeronomy (GAIA) temperature simulations and 15-year (February 2002-February 2017) Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED)/Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) temperature observations. (ncu.edu.tw)
  • Cycling between 20 s with 20 Watts power for heating, and 10 s without power to allow for undisturbed microwave radiometry measurements, the experimental results show that the target tissue temperature inside the phantom increases fast and that the radiometer provides useful measurements of spatially averaged temperature of the illuminated volume. (duke.edu)
  • This is accomplished by a detailed simulation of the geometry of ray paths through the lens system, and by sampling the lens system such that the radiometry is computed accurately and efficiently. (siggraph.org)
  • Dose was quantified using thermoluminescent dosimeters, optically stimulated dosimeters, and simulations, which gave similar dose estimations. (nih.gov)
  • ABSTRACT: The sensor system requirements for image based navigation that uses passive millimeter wave imaging radiometry will be established based on existing RelNav and AbsNav algorithms that were demonstrated to work in multi-modal imagery. (sbir.gov)
  • Comparison of regularized inversion methods in synthetic aperture imaging radiometry , GeoRS(43) , No. 2, February 2005, pp. 218-224. (visionbib.com)
  • Water vapour scaling exponent derived from microwave radiometry using structure functions (Picard et al. (altimetry.fr)
  • Many previous studies of transient eddies, also known as traveling waves, generally used either spacecraft observations or model simulations alone. (noaa.gov)
  • This work uses satellite observations and model simulations to establish that the migrating diurnal tide and its seasonal and interannual variabilities drive CO primarily through vertical advection. (copernicus.org)
  • The simulations are carried out with or without liquid cloud water in the atmosphere. (gu.se)
  • Clouds Remote sensing Cloud droplet size Vertical profile Radiometry Polarization The Research Scanning Polarimeter (RSP) is an airborne along-track scanner measuring the polarized and total reflectances with high angular resolution. (nasa.gov)
  • The camera simulation module computes the irradiance on the backplane from the scene radiances using distributed ray tracing. (siggraph.org)
  • Computer simulation of a complex halo display as would be imaged by a whole sky fisheye lens. (stjarnhimlen.se)
  • Skin dose for a standard 50-kV, 40-μA measurement for bone and toenail in vivo was 48.5 and 28.7 mSv, respectively, according to simulation results. (nih.gov)
  • The ability of Large-eddy simulation (LES) techniques to accurately predict combustion instabilities and the onset of lean blow-out is not yet firmly established, especially in realistic operating conditions. (sbir.gov)
  • The basics of radiometry are introduced to facilitate laboratory experiments. (omlc.org)
  • Our assessment was enabled by first using a combination of field nutrient-addition experiments, proteomics and above-water hyperspectral radiometry to show that phytoplankton physiological responses to iron limitation led to approximately threefold changes in chlorophyll-normalized phytoplankton fluorescence. (bvsalud.org)
  • Assessed Through Simulations, Journal of Geodesy. (gu.se)
  • Post-filter for depth of field simulation with ray distribution buffer. (siggraph.org)
  • Communication Network Labs facilities performance analysis of end terminals and contains a large-scale simulation of networked systems. (edu.au)
  • Navajo is a new, advanced, and modern simulation and analysis tool to enable the development of new balloon and LTA technologies for Earth and planetary applications. (gaerospace.com)
  • Our simulations show that reductions in upper trophic level animal biomass in tropical regions due to climate change would be exacerbated by OIF within ~20 years, especially in coastal exclusive economic zones (EEZs), with potential implications for fisheries that underpin the livelihoods and economies of coastal communities. (bvsalud.org)
  • Navajo provides a more accurate simulation than SINBAD and doesn't require the usual fudge factors to provide good performance predictions. (gaerospace.com)
  • Impact of Satellite Winds on Marine Wind Simulations. (fsu.edu)