Sökning: "löfgren"

Visar resultat 11 - 15 av 144 avhandlingar innehållade ordet löfgren.

  1. 11. Hardware Architectures for Wireless Communication - Symbol Detection and Channel Estimation

    Författare :Johan Löfgren; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VLSI; Digital Design; ASIC; Architecture; Symbol Detection; Channel Estimation; MIMO; OFDM;

    Sammanfattning : In this thesis different aspects of baseband implementation of mobile communication systems is treated. The content is focused on symbol detection and channel estimation in MIMO and OFDM. The thesis deals with the complete chain from algorithm to silicon implementation within these areas. LÄS MER

  3. 12. The Powers of Perturbation Theory : Loops and Gauge Invariance in Particle Physics

    Författare :Johan Löfgren; Rikard Enberg; Kimmo Kainulainen; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Beyond the Standard Model; Electroweak phase transition; Perturbation theory; High Energy Physics; Högenergifysik;

    Sammanfattning : The Standard Model is the best particle physics theory we have, but there are still phenomena that it cannot explain. In this thesis I have worked on two different projects that connect to two of the biggest unsolved questions of the Standard Model. LÄS MER

  4. 13. Machiya : architecture and history of the Kyoto town house

    Författare :Karin Löfgren; KTH; []
    Nyckelord :machiya; japanese architecture; japanses tea ceremony and cerchant culture; ;

    Sammanfattning : Machiya is the term for a traditional house type, a merchantand artisan dwelling found in the cities. The focus of the thesisis on the spatial qualities and technical structure of themachiya in relation to the specific use of the house type. LÄS MER

  5. 14. Everything has its processes, one could say - A longitudinal study following students’ ideas about transformations of matter from age 7 to 16

    Författare :Lena Löfgren; Margareta Ekborg; Malmö högskola; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; longitudinal study; primary education; secondary education; science learning; transformations of matter; the particulate nature of matter; longitudinell studie; grundskola; lärande i naturvetenskap; materietransformationer; materiens partikelnatur; transformations of matter; science learning; secondary education; primary education; longitudinal study; the particulate nature of matter;

    Sammanfattning : Denna avhandling handlar om elevers lärande och meningsskapande i naturvetenskap. Det teoretiska ramverket bygger på Human Constructivism. Detta perspektiv framhåller det unika samspel som äger rum mellan tankar, känslor och handlingar då människor skapar mening. Perspektivet betonar också språkets viktiga roll i lärandeprocesser. LÄS MER

  7. 15. Hormones and breast cancer : aspects on receptor expression and metabolism

    Författare :Lars Löfgren; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Breast cancer; fine needle aspiration biopsy; tamoxifen; megestrol acetate; SHBG; sex steroid hormone receptors; Syndecan-1;

    Sammanfattning : Breast cancer is the most common malignancy among women in the western world. Sex steroid hormones are implied as risk factors but endocrine regimens are also used in the therapy of breast cancer. Current knowledge about the endocrine and metabolic effects of different treatments is incomplete. LÄS MER