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Träfflista för sökning "WFRF:(Rautiainen S) srt2:(2006-2009)"

Sökning: WFRF:(Rautiainen S) > (2006-2009)

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1.
  • Jimenez, J. L., et al. (författare)
  • Evolution of Organic Aerosols in the Atmosphere
  • 2009
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 326:5959, s. 1525-1529
  • Tidskriftsartikel (refereegranskat)abstract
    • Organic aerosol (OA) particles affect climate forcing and human health, but their sources and evolution remain poorly characterized. We present a unifying model framework describing the atmospheric evolution of OA that is constrained by high-time-resolution measurements of its composition, volatility, and oxidation state. OA and OA precursor gases evolve by becoming increasingly oxidized, less volatile, and more hygroscopic, leading to the formation of oxygenated organic aerosol (OOA), with concentrations comparable to those of sulfate aerosol throughout the Northern Hemisphere. Our model framework captures the dynamic aging behavior observed in both the atmosphere and laboratory: It can serve as a basis for improving parameterizations in regional and global models.
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2.
  • Falconer, D., et al. (författare)
  • New Air-interface Technologies and Deployment Concepts
  • 2006
  • Ingår i: Technologies for the Wireless Future: Wireless World Research Forum (WWRF). - Chichester, UK : John Wiley & Sons. - 0470029056 - 9780470029053 ; , s. 131-226
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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3.
  • El-Sallabi, H., et al. (författare)
  • Wideband spatial channel model for MIMO systems at 5 GHz in indoor and outdoor environments
  • 2006
  • Ingår i: IEEE Vehicular Technology Conference. ; , s. 2916-2921
  • Konferensbidrag (refereegranskat)abstract
    • This work presents a spatial channel model developed within the EC WINNER1 project. The channel model is mainly based on double-directional measurement campaigns carried out in the 5 GHz ISM 2 band with bandwidths of up to 120 MHz. The model is based on a unified structure for indoor and outdoor environment. It covers 6 different propagation scenarios, namely indoor small office, indoor hall, urban microcell, urban macrocell, suburban macrocell, and rural environment. Both line-of-sight (LOS) and non-line-of-sight (NLOS) propagation conditions are modeled.
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