Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Sten Schmidl Søbjærg"'
Publikováno v:
Skou, N, Søbjærg, S S & Kristensen, S S 2022, ' Future High-Performance Spaceborne Microwave Radiometer Systems ', I E E E Geoscience and Remote Sensing Letters, vol. 19, e17504 . https://doi.org/10.1109/LGRS.2021.3118082
Skou, N, Søbjerg, S S & Kristensen, S S 2020, Future High-Performance Spaceborne Microwave Radiometer Systems . in Proceedings of the 2020 16th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment (MicroRad) . IEEE, 16th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment (MicroRad), Florence, Italy, 16/11/2020 . https://doi.org/10.1109/MicroRad49612.2020.9342542
Skou, N, Søbjerg, S S & Kristensen, S S 2020, Future High-Performance Spaceborne Microwave Radiometer Systems . in Proceedings of the 2020 16th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment (MicroRad) . IEEE, 16th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment (MicroRad), Florence, Italy, 16/11/2020 . https://doi.org/10.1109/MicroRad49612.2020.9342542
In a traditional spaceborne microwave radiometer system with a scanning antenna there is often a conflict between spatial and radiometric resolution. Integration over many beams per frequency might be necessary to improve radiometric resolution. Many
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4460a27f85b8a8cd63a9019f823c9730
https://orbit.dtu.dk/en/publications/ed480dd2-2a67-4362-a1dc-3d1a653bc406
https://orbit.dtu.dk/en/publications/ed480dd2-2a67-4362-a1dc-3d1a653bc406
Autor:
Steen Savstrup Kristensen, Niels Skou, Marianna Ivashina, Jakob Rosenkrantz de Lasson, Oleg Iupikov, Cecilia Cappellin, Knud Pontoppidan, Sten Schmidl Søbjærg
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 12:1670-1678
A next-generation real-aperture spaceborne radiometer system for high-quality ocean measurements is discussed. Instead of illuminating the antenna reflector by a classical feed array of horn antennas in a one-feed-per-beam configuration, a multi-feed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e64cffe41e4ae985381d85c1cb7f9b03
https://doi.org/10.1109/jstars.2019.2894846
https://doi.org/10.1109/jstars.2019.2894846
Autor:
Niels Skou, Steen Savstrup Kristensen, J. Uusitalo, Kari Lehtinen, Salvatore D'Addio, Arhippa Kovanen, Sten Schmidl Søbjærg, Janne Lahtinen
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 12:1658-1669
Anthropogenic radio frequency interference (RFI) within microwave radiometer bands is a serious problem in remote sensing. The problem is ever-increasing and thus, future spaceborne microwave radiometers will require efficient methods to mitigate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a848aaffd3c7fe8f465dfdd056a8119
https://doi.org/10.1109/jstars.2019.2910640
https://doi.org/10.1109/jstars.2019.2910640
Autor:
Moritz Link, Carsten Montzka, Thomas Jagdhuber, Sten Schmidl Søbjærg, Stephan Dill, Markus Peichl, Thomas Meyer, François Jonard
Publikováno v:
Technical University of Denmark Orbit
Link, M, Montzka, C, Jagdhuber, T, Søbjærg, S S, Dill, S, Peichl, M, Meyer, T & Jonard, F 2019, ' Impact of Permittivity Patterns on Fully Polarimetric Brightness Temperature Signatures at L-band ', Electromagnetic Waves (Progress in electromagnetics research), vol. 166, pp. 75-93 .
Link, M, Montzka, C, Jagdhuber, T, Søbjærg, S S, Dill, S, Peichl, M, Meyer, T & Jonard, F 2019, ' Impact of Permittivity Patterns on Fully Polarimetric Brightness Temperature Signatures at L-band ', Electromagnetic Waves (Progress in electromagnetics research), vol. 166, pp. 75-93 .
This study investigates the sensitivity of L-band (1.41 GHz) polarimetric brightness temperature signatures to oriented permittivity patterns, which can occur for example in the case of row and interrow soil moisture differences in agricultural field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c83a9d8771bc0cbdb37cc53342049c41
https://elib.dlr.de/130835/
https://elib.dlr.de/130835/
Autor:
Gerd Müller, J. King, Georg Heygster, Stefan Hendricks, Peter Jochmann, Jölund Asseng, Friedrich Richter, Sten Schmidl Søbjærg, Tânia Casal, Christian Haas, Björn Hendrik Fock, Rüdiger Gerdes, Andrea M. U. Gierisch, Jürgen Holfort, Gunnar Spreen, Mikhail Dobrynin, K. Heinke Schlünzen, Thomas Pohlmann, Xiangshan Tian-Kunze, Christian Melsheimer, Maciej Miernecki, Nils Reimer, Niels Skou, Lars Kaleschke, Alexander Beitsch, Nina Maaß, Andreas Wernecke, Sebastian Gerland
Publikováno v:
Remote Sensing of Environment. 180:264-273
Brightness temperatures at 1.4 GHz (L-band) measured by the Soil Moisture and Ocean Salinity (SMOS) Mission have been used to derive the thickness of sea ice. The retrieval method is applicable only for relatively thin ice and not during the melting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1337e955e6eb4364f2e86a063771a2ca
https://doi.org/10.1016/j.rse.2016.03.009
https://doi.org/10.1016/j.rse.2016.03.009
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 8:3656-3664
A $350\,\text{km} \times 350\,\text{km}$ area near the Concordia station on the high plateau of Dome-C in Antarctica has been mapped by an airborne L-band radiometer system. The area was expected to display a rather uniform brightness temperature (TB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c1ab1d406a270465417d20db74181e0
https://doi.org/10.1109/jstars.2015.2425039
https://doi.org/10.1109/jstars.2015.2425039
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 49:4821-4831
Several soil moisture and sea salinity campaigns, including airborne L-band radiometer measurements, have been carried out in preparation for the European Space Agency Soil Moisture and Ocean Salinity (SMOS) mission. The radiometer used in this conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::524f003128ac89380dcf04732babeda6
https://doi.org/10.1109/tgrs.2011.2172796
https://doi.org/10.1109/tgrs.2011.2172796
Publikováno v:
Skou, N, Misra, S, Balling, J E, Kristensen, S S & Søbjærg, S S 2010, ' L-Band RFI as Experienced During Airborne Campaigns in Preparation for SMOS ', I E E E Transactions on Geoscience and Remote Sensing, vol. 48, no. 3, pp. 1398-1407 . https://doi.org/10.1109/TGRS.2009.2031637
In support of the European Space Agency Soil Moisture and Ocean Salinity (SMOS) mission, a number of soil moisture and sea salinity campaigns, including airborne L-band radiometer measurements, have been carried out. The radiometer used in this conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e04b8bdc8afcda30d55e580243eec5fa
https://doi.org/10.1109/tgrs.2009.2031637
https://doi.org/10.1109/tgrs.2009.2031637
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2005, 43 (9), pp.2018-2023. ⟨10.1109/TGRS.2005.853190⟩
IEEE Transactions on Geoscience and Remote Sensing, 2005, 43 (9), pp.2018-2023. ⟨10.1109/TGRS.2005.853190⟩
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2005, 43 (9), pp.2018-2023. ⟨10.1109/TGRS.2005.853190⟩
IEEE Transactions on Geoscience and Remote Sensing, 2005, 43 (9), pp.2018-2023. ⟨10.1109/TGRS.2005.853190⟩
The spectral window at L-band (1.413 GHz) is important for passive remote sensing of surface parameters such as soil moisture and sea surface salinity that are needed to understand the hydrological cycle and ocean circulation. Radiation from celestia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2b5c42bc98e15fe51fdbcfb4db45c34
https://doi.org/10.1109/tgrs.2005.853190
https://doi.org/10.1109/tgrs.2005.853190
Publikováno v:
IGARSS
A 350 × 350 km area near the Concordia station on the high plateau of Dome C in Antarctica has been mapped by an airborne L-band radiometer system. The area was expected to display a rather uniform brightness temperature close to the yearly mean tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6400c1ffc70bf28f672817d47f79362
https://doi.org/10.1109/igarss.2014.6947264
https://doi.org/10.1109/igarss.2014.6947264