Sökning: "data fusion"

Visar resultat 1 - 5 av 92 avhandlingar innehållade orden data fusion.

  1. 1. Neutron Spectroscopy : Instrumentation and Methods for Fusion Plasmas

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Henrik Sjöstrand; Uppsala universitet.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Neutron spectroscopy; plasma diagnostics; fusion power; fusion; plasma heating; MPRu; JET; triton burn-up; ITER; neutron yield; calibration;

    Sammanfattning : When the heavy hydrogen isotopes deuterium (D) and tritium (T) undergo nuclear fusion large amounts of energy are released. At the Joint European Torus (JET) research is performed on how to harvest this energy. Two of the most important fusion reactions, d+d→3He+n (En = 2.5 MeV) and d+t→4He+n (En = 14 MeV), produce neutrons. LÄS MER

  3. 2. Diagnosing Fuel Ions in Fusion Plasmas using Neutron Emission Spectroscopy

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Carl Hellesen; Institutionen för neutronforskning.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; fusion; plasma diagnostics; neutron spectroscopy; NBI heating; ICRF heating; energetic ions; Tillämpad kärnfysik; Applied Nuclear Physics;

    Sammanfattning : Neutron emission spectra, measured with the time of flight spectrometer TOFOR, at the joint European torus (JET) are presented in this thesis. TOFOR has been in use since 2005, routinely measuring the neutron emission from JET plasmas. LÄS MER

  4. 3. Visible spectroscopic diagnostics : Application and development in fusion plasmas

    Detta är en avhandling från Stockholm : Fysik

    Författare :Sheena Menmuir; KTH.; [2007]
    Nyckelord :TEKNIKVETENSKAP; TECHNOLOGY; visible spectroscopy; fusion; Doppler shift; Doppler broadening;

    Sammanfattning : Diagnostic measurements play a vital role in experiments. Without them we would be in the dark with no way of knowing what was happening; of understanding the processes and behaviour occurring; or even of judging the success or failure of our experiments. The development of fusion plasma devices is no different. LÄS MER

  5. 4. Information Acquisition in Data Fusion Systems

    Detta är en avhandling från Stockholm : Numerisk analys och datalogi

    Författare :Ronnie Johansson; KTH.; [2003]
    Nyckelord :information acquisition; information fusion; data fusion; sensor management; perception management; game theory; target tracking; mobile sensors;

    Sammanfattning : By purposefully utilising sensors, for instance by a datafusion system, the state of some system-relevant environmentmight be adequately assessed to support decision-making. Theever increasing access to sensors o.ers great opportunities,but alsoincurs grave challenges. As a result of managingmultiple sensors one can, e. LÄS MER

  7. 5. Predictive Techniques and Methods for Decision Support in Situations with Poor Data Quality

    Detta är en avhandling från Örebro University

    Författare :Rikard König; Högskolan i Skövde.; Högskolan i Skövde.; Högskolan i Skövde.; University of Borås.; [2009]
    Nyckelord :TEKNIKVETENSKAP; TECHNOLOGY; TEKNIKVETENSKAP; TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Technology; Teknik; Rule Extraction; Genetic Programming; Uncertainty estimation; Machine Learning; Artificial Neural Networks; Data Mining; Information Fusion;

    Sammanfattning : Today, decision support systems based on predictive modeling are becoming more common, since organizations often collect more data than decision makers can handle manually. Predictive models are used to find potentially valuable patterns in the data, or to predict the outcome of some event. LÄS MER