Sökning: "Jan Johansson"

Visar resultat 16 - 20 av 130 avhandlingar innehållade orden Jan Johansson.

  1. 16. Beamforming and timing design issues for a large aperture array radar applied to atmospheric research

    Författare :Gustav Johansson; Jan Bergman; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

    Sammanfattning : This thesis describes the work done by the author during the development of a Large Aperture Array Radar (LAAR) receiver for the EISCAT 3D project. The main focus was on digital beamforming of a bandpass-sampled wide band signal in base-band and the development of a picosecond-level distributed timing system applicable over hundreds of meters. LÄS MER

  2. 17. Residential care for young people in Sweden – homes, staff and residents

    Författare :Jan Johansson; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Residential care institutions; youth; staff; settings; approaches to treatment; experiences in care;

    Sammanfattning : Johansson, Jan (2007) Residential care for young people in Sweden – Homes, staff and residents. Department of Psychology, Göteborg University, SwedenThis thesis studies residential care for young persons (13-18 years of age) with emotional and behavioural problems. An overall aim is to examine and describe different aspects of residential care. LÄS MER

  3. 18. A study of precise position measurements using space geodetic systems

    Författare :Jan Johansson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; global geodynamics; GPS; geodesy; VLBI; geodetic reference frames; very long baseline interferometry; satellite navigation systems; atmospheric water vapor; Global Positioning System; microwave radiometry;

    Sammanfattning : .... LÄS MER

  4. 19. Natural history, palliative treatment and prognostic factors in prostatic cancer : a population-based study from Örebro, Sweden

    Författare :Jan-Erik Johansson; Uppsala universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : .... LÄS MER

  5. 20. Material Hygiene : An EcoDesign mindset for recycling of products

    Författare :Jan Johansson; Conrad Luttropp; Stephen Evans; KTH; []
    Nyckelord :TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : In recent years the end-of-life phase has come into focus. European Union directives have been issued regulating certain product groups and producer responsibility. Vehicles and electronic products are the first to be identified and targeted. EU environmental legislation acts as a driver for increased reuse, recycling and recovery. LÄS MER