Sökning: "band spectrum regression"

Hittade 2 avhandlingar innehållade orden band spectrum regression.

  1. 1. Empirical essays on unemployment and business cycles

    Författare :Erik Hegelund; Rodney Edvinsson; Fredrik N G Andersson; Josef Taalbi; Jan Ottosson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; business cycles; Okun’s law; unemployment; capital formation; temporal disaggregation; band spectrum regression; wavelet analysis; ekonomisk historia; Economic History;

    Sammanfattning : This dissertation examines business cycles in Sweden, and the patterns in and driving forces of short- and long-term movements in unemployment in a selection of high-income countries throughout the 20th century. While this has been studied numerous times before, this dissertation starts from the point of view that there is no consensus in social science on how to understand these phenomena. LÄS MER

  3. 2. 60 GHz Wireless Propagation Channels: Characterization, Modeling and Evaluation

    Författare :Carl Gustafson; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; 60 GHz; mm-wave; IEEE 802.11ad; IEEE802.15.3c; Channel measurements; Channel modeling; propagation; MIMO; Beamforming; Spatial Multiplexing;

    Sammanfattning : To be able to connect wirelessly to the internet is nowadays a part of everyday life and the number of wireless devices accessing wireless networks worldwide are increasing rapidly. However, with the increasing number of wireless devices and applications and the amount available bandwidth, spectrum shortage is an issue. LÄS MER