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ALOS PALSAR Calibra...
ALOS PALSAR Calibration and Validation Results from Sweden
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- Eriksson, Leif, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sandberg, Gustaf, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ulander, Lars, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Smith Jonforsen, Gary, 1972 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hallberg, Björn, 1973 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Folkesson, Klas, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Fransson, J.E.S. (author)
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Magnusson, M. (author)
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Olsson, H. (author)
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Gustavsson, A. (author)
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Flood, B. (author)
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(creator_code:org_t)
- 2007
- 2007
- English.
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In: IEEE Geoscience and Remote Sensing Symposium (IGARSS 2007), Barcelona, Spain, July 23-27, 2007. ; DOI: 10.1109/IGARSS.2007.4423115, s. 1589-1592
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https://research.cha...
Abstract
Subject headings
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- In 2006 calibration activities for ALOS PALSAR wereconducted in Sweden. Four five-metre trihedral corner reflectorsand three smaller dihedral reflectors were deployed and operatedduring eight months. 23 PALSAR scenes were acquired over thecalibration site allowing an evaluation of the quality and temporalstability of the data. Results show that the co-polarized datahave been stable during the whole calibration period with variationsin the trihedral responses lower than 0.7 dB. The measuredresolution in azimuth was 4.4 m and in slant range 4.7 m forsingle polarization images and 9.5 m for polarimetric data. Forthe cross-polarized data large variations in the dihedral responseswere found. It is assumed that this is caused by a larger sensitivityto pointing errors. For the polarimetric data, estimation ofFaraday rotation gave values ranging from 0.1º to 3º.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- corner reflectors
- Faraday rotation
- crosstalk
Publication and Content Type
- kon (subject category)
- vet (subject category)
To the university's database
- By the author/editor
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Eriksson, Leif, ...
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Sandberg, Gustaf ...
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Ulander, Lars, 1 ...
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Smith Jonforsen, ...
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Hallberg, Björn, ...
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Folkesson, Klas, ...
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show more...
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Fransson, J.E.S.
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Magnusson, M.
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Olsson, H.
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Gustavsson, A.
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Flood, B.
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Aerospace Engine ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Other Electrical ...
- Articles in the publication
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Chalmers University of Technology