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SMOS satellite hardware anomaly prediction methods based on Earth radiation environment data sets
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Rymdteknik.
2016 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 80 poäng / 120 hpOppgave
Abstract [en]

SMOS (Soil Moisture and Ocean Salinity) is ESA's Earth Explorer series satellite carrying the novel MIRAS (Microwave Imaging Radiometer with Aperture Synthesis) interferometric synthetic aperture radar. Its objective is monitoring and studying the planet's water cycle by following the changes in soil moisture levels and ocean surface salt concentrations on a global scale. The success of the mission calls for nearly uninterrupted operation of the science payload. However, the instrument experiences sporadically problems with its hardware, which cause losses of scientific data and may require intervention from ground to resolve. The geographical areas in which most of these anomalies occur, polar regions and the South-Atlantic anomaly, give cause to assume these problems are caused by charged particles in the planet's ionosphere. In this thesis, methods of predicting occurrence of hardware anomalies from indicators of Earth radiation environment are investigated.

sted, utgiver, år, opplag, sider
2016. , 59 s.
Emneord [en]
SMOS, Soil Moisture and Ocean Salinity, satellite, MIRAS, Microwave Imaging Radiometer with Aperture Synthesis, ESAC, hardware anomaly, prediction, radiation environment
HSV kategori
Identifikatorer
URN: urn:nbn:se:ltu:diva-59789OAI: oai:DiVA.org:ltu-59789DiVA: diva2:1040729
Eksternt samarbeid
European Space Agency, European Space Astronomy Centre
Fag / kurs
Student thesis, at least 30 credits
Utdanningsprogram
Space Engineering, master's level
Veileder
Examiner
Tilgjengelig fra: 2016-11-07 Laget: 2016-10-17 Sist oppdatert: 2016-11-07bibliografisk kontrollert

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