نتایج جستجو برای: cosmo
تعداد نتایج: 1153 فیلتر نتایج به سال:
SAR images relevance for IMINT (IMagery INTelligence) and civil protection applications has increased in the last years, especially regarding the provision of information to decision makers acting in Area of Operations outside the national borders. Therefore, it is necessary to send information, as well as images, to the Area of Operations through Telecommunication satellites. The large data am...
The Multi-Chromatic Analysis (MCA) consists of performing sub-bands splitting in range frequency domain, thus generating chromatic views of lower range resolution, centered at different carrier frequencies. Multi-chromatic interferograms can be then generated by coupling chromatic views coming from an interferometric pair of SAR images. The interferometric phase of spectrally-stable scatterers ...
The aim of this study was to develop an inversion approach to estimate surface soil 19 moisture from X-band SAR data over irrigated grassland areas. This approach simulates a 20 coupling scenario between Synthetic Aperture Radar (SAR) and optical images through the 21 Water Cloud Model (WCM). A time series of SAR (TerraSAR-X and COSMO-SkyMed) and 22
The use of COSMO-SkyMed data in the SAR interferometric techniques opens up new possibilities both for the monitoring of the surface deformation phenomena and the 3D measurements of the territory thanks to their height resolution. GEOCART engineering company has developed an own software called “SLIDE” [1,2,3] (Sar Land Interferometry Data Exploitation) to process ERS SAR data in order to produ...
Abstract. We present a novel high-resolution inverse modelling system (“FLEXVAR”) based on FLEXPART-COSMO back trajectories driven by COSMO meteorological fields at 7 km×7 km resolution over the European COSMO-7 domain and four-dimensional variational (4DVAR) data assimilation technique. FLEXVAR is coupled offline with global TM5-4DVAR to provide background mole fractions (“baselines”) consiste...
To accurately calculate the impact of renewables on power production in complex electric grids, high-resolution and ideally seamless data within planetary boundary layer are required. Therefore, quality different regional reanalyses hindcasts is evaluated with respect to representation planetery related sub-daily processes. On one hand, high resolution reanalysis from UERRA (UE-SMHI, UE-UKMO) a...
This paper analyses the possibility of using a fifth passive satellite for endowing the Italian COSMO-SkyMed constellation with crossand along-track SAR interferometric capabilities, by using simultaneously flying and operating antennas. Fundamentals of developed models are described and potential space configurations are investigated, by considering both formations operating on the same orbita...
During the 2011 East Japan Earthquake and Tsunami Disaster, we had found a number of false information spread on Twitter, e.g., “The Cosmo Oil explosion causes toxic rain.” This paper extracts pieces of false information exhaustively from all the tweets within one week after the earthquake. Designing a set of linguistic patterns that correct false information, this paper proposes a method for d...
Atomic surface tensions are parameterized for use with solvation models in which the electrostatic part of the calculation is based on the conductor-like screening model (COSMO) and the semiempirical molecular orbital methods AM1, PM3, and MNDO/d. The convergence of the calculated polarization free energies with respect to the numerical parameters of the electrostatic calculations is first exam...
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