NSSC OpenIR  > 微波遥感部
SMOS FLOOR ERROR IMPACT AND MIGATION ON OCEAN IMAGING
Duran, Israel; Lin, Wu; Corbella, Ignasi; Torres, Francesc; Duffo, Nuria; Martin-Neira, Manuel; Duran, I (reprint author), Univ Politecn Cataluna, Remote Sensing Lab, Barcelona, Spain.
Source Publication2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
2015
Pages1437-1440
Language英语
ISSN2153-6996
ISBN978-1-4799-7929-5
AbstractSMOS is the acronym for the Soil Moisture and Ocean Salinity mission by the European Space Agency (ESA) [1]. Its single payload, the Microwave Imaging Radiometer using Aperture Synthesis (MIRAS), was successfully launched in November 2009 to provide a continuous flow of fully polarimetric brightness temperature images. After more than five years of operation, SMOS has proven to be highly useful for a variety of scientific applications related to soil moisture over land, ocean salinity and winds over ocean, as well as specific studies over the ice covered surfaces [2][3]. Along these years of operation, SMOS calibration and imaging algorithms have undergone a continuous evolution to further improve the accuracy of the retrieved geophysical parameters. These improvements are particularly useful in Ocean Salinity applications where accuracy and stability requirements are very demanding and spatial and temporal averaging is required to achieve SMOS mission objectives. This paper analyzes the impact on ocean images of the socalled "floor error", an image reconstruction artifact that, currently, is significant on the 3rd and 4th Stokes parameters. Error mitigation techniques are evaluated by computing spatial bias over the ocean and also by providing a 4th Stokes global error map over the ocean that takes into account SMOS full spatial and temporal averaging capabilities.
KeywordRadiometer Interferometer Imaging Errors Smos
Conference NameIEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 26-31, 2015
Conference PlaceMilan, ITALY
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5404
Collection微波遥感部
Corresponding AuthorDuran, I (reprint author), Univ Politecn Cataluna, Remote Sensing Lab, Barcelona, Spain.
Affiliation微波遥感部
Recommended Citation
GB/T 7714
Duran, Israel,Lin, Wu,Corbella, Ignasi,et al. SMOS FLOOR ERROR IMPACT AND MIGATION ON OCEAN IMAGING[C]:IEEE,2015:1437-1440.
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