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Träfflista för sökning "L773:1609 042X OR L773:0379 6566 srt2:(2015-2016)"

Search: L773:1609 042X OR L773:0379 6566 > (2015-2016)

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1.
  • Ulander, Lars, 1962, et al. (author)
  • Borealscat: A tower experiment for understanding temporal changes in P- and L-band backscattering from a Boreal forest
  • 2016
  • In: European Space Agency, (Special Publication) ESA SP. - 0379-6566. - 9789292213053 ; 740
  • Conference paper (peer-reviewed)abstract
    • This paper describes the tower-based radar BorealScat, which is being developed for polarimetric, tomographic and Doppler measurements at the hemi-boreal forest test site in Remningstorp, Sweden. The facility consists of a 50-m high tower equipped with an antenna array at the top of the tower, a 20-port vector network analyser (VNA), 20 low-loss cables for interconnection, and a calibration loop with a switching network. The first version of BorealScat will perform the full set of measurements in the frequency range 0.4-1.4 GHz, i.e. P-band and L-band. The tower is currently under construction at a forest stand dominated by Norway spruce (Picea abies (L.) Karst.). The mature stand has an above-ground dry biomass of 300 tons/ha. Data collections are planned to commence in autumn 2016.
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2.
  • Blomberg, Erik, 1987, et al. (author)
  • Simulated biomass retrieval from the spaceborne tomographic Saocom-CS mission at L-band
  • 2016
  • In: European Space Agency, (Special Publication) ESA SP. - 0379-6566. - 9789292213053 ; 740
  • Conference paper (peer-reviewed)abstract
    • This paper presents an evaluation of above-ground biomass (ABG) retrieval in boreal forests using simulated tomographic synthetic-aperture radar (SAR) data corresponding to the future SAOCOM-CS (L-band 1.275 GHz) mission. Using forest and radar data from the BioSAR 2008 campaign at the Krycklan test site in northern Sweden the expected performance of SAOCOM-CS is evaluated and compared with the E-SAR airborne Lband SAR (1.300 GHz). It is found that SAOCOM-CS data produce retrievals on par with those obtained with E-SAR, with retrievals having a relative RMSE of 30% or less. This holds true even if the acquisitions are limited to a single polarization, with HH results shown as an example.
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  • Result 1-2 of 2

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