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Sunday, August 2, 2020 | History

2 edition of Simulation studies of wide and medium field of view earth radiation data analysis found in the catalog.

Simulation studies of wide and medium field of view earth radiation data analysis

Richard N. Green

Simulation studies of wide and medium field of view earth radiation data analysis

by Richard N. Green

  • 284 Want to read
  • 26 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Service, for sale by the National Technical Information Office in Washington, Springfield, Va .
Written in English

    Subjects:
  • Terrestrial radiation -- Simulation methods.,
  • Radiometers -- Measurement.

  • Edition Notes

    StatementRichard N. Green.
    SeriesNASA technical paper ; 1182, NASA technical paper -- 1182.
    ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Office.
    The Physical Object
    Pagination45 p. :
    Number of Pages45
    ID Numbers
    Open LibraryOL17818388M

    methodology, where data from a wide range of sources are accessed. The exploratory nature of the scoping re-view was felt to be justified given the lack of previous re-view papers. In addition, a small number of articles were noted to cover several areas, and it is anticipated that some areas were explored more than others during the synthesis. In tomography, the field of view is the area of each for example computed tomography, a volume of voxels can be created from such tomograms by merging multiple slices along the scan range.. Remote sensing. In remote sensing, the solid angle through which a detector element (a pixel sensor) is sensitive to electromagnetic radiation at any one time, is called instantaneous field of.

      The book “Statistics, Data Mining, and Machine Learning in Astronomy”, written by Ivezic, Connolly, VanderPlas, and Gray, is a practical python guide for the analysis of survey data. Edwards and Gaber () wrote a book titled “Astronomy and Big Data”, which describes a data clustering approach to identifying uncertain galaxy Cited by: NWP model and broad-band radiation budget data from the Geostationary Earth Radiation Budget (GERB) instru-ment on Meteosat-8 [Harries et al., ]. This is the first such instrument to be flown in geostationary orbit, provid-ing unprecedented temporal sampling of the radiation bud-get. As a particular focus of the present study, we.

    The Association for Geographical Studies processing of the picture data Remote Sensing then in the widest sense is concerned with detecting and recording electromagnetic radiation from the target areas in the field of view of the sensor instrument. This radiation may have originated directly from separate components of theFile Size: KB.   Wide Field Of View WG Working Group WGCV Working Group on Calibration and Validation (CEOS) WGD Working Group on Data (CEOS) WGISS Working Group on Information Systems and Services WGS Wallops Ground System WGS 84 World Geodetic System WHOI Woods Hole Oceanographic Institution WiFS Wide Field-of-view-Sensor WiMAX.


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Simulation studies of wide and medium field of view earth radiation data analysis by Richard N. Green Download PDF EPUB FB2

Tive of the data analysis is to solve equation (6)for Q(e,@). The data analysis model of the radiation field will consist of 18 latitude zones, each loo wide, in which the emitted flux is assumed to be constant. Thus, the measurements are modeled as where Qj is the emitted flux in the jth zone and the integration is.

Simulation studies of wide and medium field of view earth radiation data analysis. Washington: National Aeronautics and Space Administration, Scientific and Technical Information Service ; Springfield, Va.: for sale by the National Technical Information Office, The technique analyzes measurements from a wide field of view (WFOV), horizon to horizon, nadir pointing sensor with a mathematical technique to derive the radiative flux estimates at the top of the atmosphere for resolution elements smaller than the sensor field of view.

A computer simulation of the data analysis technique is presented for both earth-emitted and reflected radiation. REMOTE OF ENVIRONMENT () Simulation Study of Geometric Shape Factor Approach to Estimating Earth Emitted Flux Densities From Wide Field-of-View Radiation Measurements WILLIAM L.

WEAVER and RICHARD N. GREEN NASA Langley Resmrch Center, Hampton, Virginia A study was performed on the use of geometric shape factors to estimate Earth-emitted flux densities from radiation measurements Cited by: 3.

A magnetic storm is the world-wide geomagnetic disturbance taking place in near-Earth space environment, lasting for a few days. Geomagnetic fields can be depressed by ~ 1% on the ground for large magnetic : Yusuke Ebihara.

The radiation budget simulated by the European Centre for Medium-Range Weather Forecasts (ECMWF) year reanalysis (ERA40) is evaluated for the period – using independent satellite data. The radar measures echoes from ranges of up to approximately 3, km. Figure 1 shows a map of the radar location, as well as all 16 beam directions that form the approximately degree-wide field-of-view.

In the standard operational mode, the radar continuously scans the entire by:   The ERBS Nonscanner measurements discussed up to this point are based on data from the WFOV instruments.

The ERBS Nonscanner instrument package also contains a set of Medium Field of View (MFOV) instruments that record the earth reflected solar and total spectrum energy with an effective field of view of about km by: The Nimbus-6 and -7 satellites carried an ERB instrument, which consisted of a wide-field-of-view (WFOV) instrument that measured the radiation of Earth from limb to limb, and a scanning narrow-field-of-view (NFOV) instrument, which measured the radiation from Earth with higher spatial resolution (on the order of 10– km).

With a footprint Cited by: 5. Asteroid observations by the WISE space telescope and the analysis of those observations by the NEOWISE project have provided more information about the diameter, albedo, and other properties of approximatelyasteroids, more than all other sources combined. The raw data set from this mission will likely be the largest and most important such data on asteroids available for many by: 5.

Scientists use the Earth as a tool for astrobiology by analyzing planetary field analogues (i.e. terrestrial samples and field sites that resemble planetary bodies in our Solar System). In addition, they expose the selected planetary field analogues in simulation chambers to conditions that mimic the ones of planets, moons and Low Earth Orbit (LEO) space conditions, as well as the chemistry Cited by: The numerical and graphical results are presented in section four, and the results and parallels are given in relation to the research question posed.

Observations are made in relation to the test data set, and a numerical analysis of the performance of the simulation model in. paper on Small Field-of-view Gamma Cameras, for the class of Biomedical Optics /, Doctoral Program Eng. Physics, University of Aveiro Discover the world's research 17+ million membersAuthor: Filipe Castro.

Using the European Centre for Medium-Range Weather Forecasts (ECMWF) 6h analysis data as inputs to the CRTM, we can statistically quantify the spectral bias for each field of view (FOV) of the Cross-track Infrared Sounder (CrIS). The CRTM is also a very useful tool for cross-sensor by:   The main objective of this Monte Carlo analysis, is the study of the development of a breakthrough Molecular Imaging System able to visualize in Author: Victor Ilisie, Laura Moliner, Sandra Oliver, Filomeno Sánchez, Antonio J.

González, Michael Seimetz. Earth’s magnetic field has reversed direction hundreds of times in the course of our planet’s history. But the cause of those reversals remains unclear. 4 million CPU hours of simulations on the ‘Piz Daint’ supercomputer at CSCS offer fresh clues that point to a phenomenon called ‘dynamo waves’ playing a.

The loss of protons in the outer part of the inner radiation belt (L = 2 to 3) during the 17 March geomagnetic storm was investigated using test particle simulations that follow full Lorentz trajectories with both magnetic and electric fields calculated from an empirical simulation results presented here are compared with proton pitch angle measurements from the Van Allen Probe Cited by: 6.

Direct time-of-flight (DTOF) is a prominent depth sensing method in light detection and ranging (LiDAR) applications. Single-photon avalanche diode (SPAD) arrays integrated in DTOF sensors have demonstrated excellent ranging and 3D imaging capabilities, making them promising candidates for LiDARs.

However, high background noise due to solar exposure limits their performance and Author: Preethi Padmanabhan, Chao Zhang, Edoardo Charbon. Simulation of energy‐dependent electron diffusion processes in the Earth's outer radiation belt Using spacecraft wave field data, extensive studies have been performed and wave global distributions are crucial for determining the radial extent of energetic electrons in the Earth's outer radiation belt.

Our simulation suggests that the Cited by: Immersion into virtual reality (VR) is a perception of being physically present in a non-physical world. The perception is created by surrounding the user of the VR system in images, sound or other stimuli that provide an engrossing total environment.

Solar radiation data are available for many locations on an hourly basis. Simulation studies of solar energy systems have generally used these hourly values to estimate long-term annual performance, although solar radiation can exhibit wide variations during an hour.

Variations in solar radiation during an hour, such as on a minute basis,File Size: KB.Simulation and modeling of the radiation hardiness of space materials enable the developer to arrive at a better choice of materials, reducing the design cycle time, and improving safety.

The development of radiation hardened materials requires a complete simulation of the damage process under a variety of different space radiation environments.However, studies based on research data had suggested that the ECMWF model and analysis fields were too dry in these parts of the atmosphere (Tompkins et al., ).

As a result of the introduction of supersaturation, which was not allowed in ERA‐40, relative humidity in the stratosphere has increased over the southern polar cap, for reasons Cited by: