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
|Statement||Richard N. Green|
|Series||NASA technical paper ; 1182|
|Contributions||United States. National Aeronautics and Space Administration. Scientific and Technical Information Office|
|The Physical Object|
|Pagination||45 p. :|
|Number of Pages||45|
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 approximately , asteroids, 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: