Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Niels Skou"'
Autor:
Ernesto Lopez-Baeza, Antonio Rius, Joseph Tenerelli, Jean Pierre Wigneron, Jean Christophe Calvet, Clement Albergel, Sten Søbjærg, Marion Leduc-Leballeur, Niels Skou, Gilles Reverdin, Yann Kerr, Monique Dechambre, Pascal Fanise, Daniele Hauser, Jacquline Boutin, Mehrez Zribi, Mickael Pardé
Publikováno v:
Sensors, Vol 11, Iss 1, Pp 719-742 (2011)
The “Cooperative Airborne Radiometer for Ocean and Land Studies” (CAROLS) L-Band radiometer was designed and built as a copy of the EMIRAD II radiometer constructed by the Technical University of Denmark team. It is a fully polarimetric and direc
Externí odkaz:
https://doaj.org/article/da43a2185d5640d59bb4bd15b2e14407
Autor:
Nanna Bjørnholt Karlsson, Dustin Schroeder, Louise S. Sørensen, Winnie Chu, Thomas Teisberg, Angelo Tarzano, Niels Skou, Jørgen Dall
The short observational record is one of the main obstacles to improving the present understanding of the future of the Polar ice sheets. While the quantity and quality of observations presently are increasing observations from before the 1990s are s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09e54fbbcd9dee5135ba2cecee94fc0f
https://doi.org/10.5194/egusphere-egu23-6935
https://doi.org/10.5194/egusphere-egu23-6935
Publikováno v:
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b0bd209292a9f3b071edf737b357019
https://doi.org/10.1109/igarss46834.2022.9884388
https://doi.org/10.1109/igarss46834.2022.9884388
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
Publikováno v:
IGARSS
As part of a validation of the SMOS sea ice thickness product, the DTU Space built L-band radiometer, EMIRAD-L (formerly EMIRAD 2), was participating in the MOSAiC campaign. Situated on P-deck of the German research vessel Polarstern and overlooking
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::553e9bf787a0f6f78bd45a084a50e933
https://doi.org/10.1109/igarss47720.2021.9555062
https://doi.org/10.1109/igarss47720.2021.9555062
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
Publikováno v:
2020 16th Specialist Meeting on Microwave Radiometry and Remote Sensing for the Environment (MicroRad).
This paper describes the refurbishment of the DTU L-band radiometer EMIRAD-L (the former EMIRAD2) for the MOSAiC campaign. This includes the installation of EMIRAD-L on P-deck of the German research ship Polarstern wherefrom EMIRAD-L has a free view
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ad23bcbc6e3b08211fe9b42fd45f4ea
https://doi.org/10.1109/microrad49612.2020.9342610
https://doi.org/10.1109/microrad49612.2020.9342610
Autor:
Niels Skou, Oleg Iupikov, Marianna Ivashina, Cecilia Cappellin, Knud Pontoppidan, Cornelis G. M. van 't Klooster
Publikováno v:
IEEE Transactions on Antennas and Propagation, 66(2):8068265, 737-748. Institute of Electrical and Electronics Engineers
Iupikov, O A, Ivashina, M V, Skou, N, Cappellin, C, Pontoppidan, K & van 't Klooster, C G M 2018, ' Multi-Beam Focal Plane Arrays with Digital Beamforming for High Precision Space-Borne Ocean Remote Sensing ', I E E E Transactions on Antennas and Propagation, vol. 66, no. 2, pp. 737-748 . https://doi.org/10.1109/TAP.2017.2763174
Iupikov, O A, Ivashina, M V, Skou, N, Cappellin, C, Pontoppidan, K & van 't Klooster, C G M 2018, ' Multi-Beam Focal Plane Arrays with Digital Beamforming for High Precision Space-Borne Ocean Remote Sensing ', I E E E Transactions on Antennas and Propagation, vol. 66, no. 2, pp. 737-748 . https://doi.org/10.1109/TAP.2017.2763174
The present-day ocean remote sensing instruments that operate at low microwave frequencies are limited in spatial resolution and do not allow for monitoring of the coastal waters. This is due to the difficulties of employing a large reflector antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7410e1d874ba1cdb0be70ec1391a950c
https://research.tue.nl/en/publications/1e9a7551-7dc1-41d3-933b-48f1e04bbc3b
https://research.tue.nl/en/publications/1e9a7551-7dc1-41d3-933b-48f1e04bbc3b
Developments of RFI Detection Algorithms and Their Application to Future European Spaceborne Systems
Publikováno v:
IGARSS
For many years Radio Frequency Interference (RFI) has been an increasing problem especially for spaceborne radiometers; as a result, there has been an increasing effort on developing algorithms and hardware for counteracting RFI. Due to the amount of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46db3f8a6f7b0723729b9b7830ce0444
https://doi.org/10.1109/igarss.2019.8900091
https://doi.org/10.1109/igarss.2019.8900091