Sökning: "Andrés Ray"

Hittade 2 uppsatser innehållade orden Andrés Ray.

  1. 1. Investigating super-Eddington accretion flows in Ultraluminous X-ray sources

    Master-uppsats, Luleå tekniska universitet/Rymdteknik

    Författare :Andrés Gúrpide Lasheras; [2018]
    Nyckelord :Accretion; X-ray binaries; Black holes; Neutron Stars; Ultraluminous X-ray sources;

    Sammanfattning : It is now widely known that most of the large galaxies we observe (e.g. the Milky Way) host in their center a supermassive black hole ($10^{6}-10^{9}$ $M_\odot$). LÄS MER

  3. 2. Wireless wave propagation in city street canyons

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

    Författare :Andrés Felipe Garcia Albarracin; [2017]
    Nyckelord :Channel modeling; Channel sounding; Local scattering function; Ray tracing.; Technology and Engineering;

    Sammanfattning : This project aims to determine the characteristics of a wireless communication channel in city-street-canyon scenarios. The channel of a typical city intersection is modeled with a ray tracer and measured with a channel sounder. Then, the results of both tools are compared in terms of the local scattering function. LÄS MER