Sökning: "Ku -bandet"

Visar resultat 1 - 5 av 49 uppsatser innehållade orden Ku -bandet.

  1. 1. Satellite signal attenuation due to atmospheric influences in northern Sweden

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik

    Författare :Adrian Stigsson; [2024]
    Nyckelord :;

    Sammanfattning : Earth-space traversing electromagnetic waves become attenuated as they propagate through the atmosphere. The sources of attenuation are weather phenomena in the Troposphere, and scintillation and absorption in the Ionosphere. LÄS MER

  3. 2. Combining doxorubicin and gemcitabine with targeted drugs as a treatment option for high-risk neuroblastoma

    Master-uppsats, KTH/Proteinvetenskap

    Författare :Alexandra Johannesson; [2023]
    Nyckelord :neuroblastoma; doxorubicin; gemcitabine; targeted drugs; ATM; neuroblastom; doxorubicin; gemcitabin; målinriktade läkemedel; ATM;

    Sammanfattning : Neuroblastom är en barncancer som uppstår ur det sympatiska nervsystemet och drabbar omkring 15 barn i Sverige varje år. Högriskvarianten är associerad med mycket hög dödlighet och risk för återfall, vilket tros ha att göra med att tumörernas ovanligt heterogena sammansättning tillåter resistenta subpopulationer att motstå konventionella behandlingsmetoder. LÄS MER

  4. 3. The solar abundance of beryllium : constraining the solar problem via non-LTE modelling

    Kandidat-uppsats,

    Författare :Daria Ogneva; [2023]
    Nyckelord :atomic processes; radiative transfer; abundance;

    Sammanfattning : Accurately determining the solar abundance of beryllium is a key to calibrate transport processes at the base of convective zone, which in turn is an improvement upon existing solar models and general understanding of the physical processes within the Sun. To determine an abundance, assumptions about the solar atmosphere must be made. LÄS MER

  5. 4. Machine Learning-based MIMO Indoor Positioning

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Qiyi Chen; [2023]
    Nyckelord :Technology and Engineering;

    Sammanfattning : The most widely used positioning system is Global Navigation Satellite System (GNSS), which uses traditional positioning techniques and cannot achieve satisfactory positioning performance in indoor scenarios due to Non-Line-of-Sight (NLoS) transmission. Fingerprinting is a non-traditional positioning technique that is robust to NLoS transmission in indoor scenarios. LÄS MER

  7. 5. Inventory of Taxus walliciana and Swertia chirayita : as a part of the The SLU/KU Greenhouse-project for biodiversity and social justice in Nepal

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Johanne Linstad; [2023]
    Nyckelord :Biodiversity; medical plants; nature conservation; sustainability; social justice;

    Sammanfattning : To prevent loss of biological diversity and medical plant resources in Nepal, The Swedish University of Agriculture (SLU) and Kathmandu University (KU) have started a project with the combined aim of nature conservation and social justice where endangered medical plants have been harvested from naturally growing populations in order to cultivate them in greenhouses to help them recover in their natural habitat. The purpose of my study was to see if the project was fulfilling the intended aim, or not. LÄS MER