Search for dissertations about: "spectral composition"
Showing result 1 - 5 of 77 swedish dissertations containing the words spectral composition.
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1. On the Chemical Composition of Metal-Poor Stars : Impact of Stellar Granulation and Departures from Local Thermodynamic Equilibrium on the Formation of Spectral Lines
Abstract : The information about the chemical compositions of stars is encoded in their spectra. Accurate determinations of these compositions are crucial for our understanding of stellar nucleosynthesis and Galactic chemical evolution. READ MORE
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2. Formalised composition: On the spectral and fractal trails
Abstract : .... READ MORE
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3. On the asymptotic spectral distribution of random matrices : closed form solutions using free independence
Abstract : The spectral distribution function of random matrices is an information-carrying object widely studied within Random matrix theory. In this thesis we combine the results of the theory together with the idea of free independence introduced by Voiculescu (1985). READ MORE
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4. Atmospheric Species and Spectral Radiation in Terrestrial Exoplanets : Implications for Astrobiology
Abstract : The physical properties of the planets and their parent stars are fundamental in the composition of atmospheres and radiative environments, which fundamentally determine their surface temperature and habitability. The atmospheric composition and radiation play a vital role in the emergence of life. READ MORE
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5. Environmental Monitoring by Multi-Spectral Lidar Techniques
Abstract : Multi-spectral lidar (light detection and ranging) techniques have been developed and employed in various environmental studies, ranging from concentration mapping of volcanic emissions to fluorescence imaging of historical monuments. In both absorption measurements of gaseous species and fluorescence imaging of stones, multiple wavelength excitation and multiple wavelength detection have been applied. READ MORE
