Sökning: "Karin Engdahl"

Hittade 2 avhandlingar innehållade orden Karin Engdahl.

  1. 1. Analysis of Some Convolutional Coding Constructions

    Författare :Karin Engdahl; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; turbo-codes; low-density parity-check convolutional codes; low-density codes; PSK; PAM; QAM; coded modulation; multilevel coding; convolutional codes; multilevel modulation; iterative decoding; Informatics; systems theory; Informatik; systemteori;

    Sammanfattning : This thesis focuses on different convolutional coding constructions for digital communication systems, and on methods to analyze these constructions. The work presented in the thesis can be divided into three main areas; error probability bounds for convolutional codes, analysis of multilevel modulation, and investigation of low-density parity-check convolutional codes. LÄS MER

  3. 2. Förskolegården : En pedagogisk miljö för barns möten, delaktighet och inflytande

    Författare :Karin Engdahl; Anders Garpelin; Solveig Hägglund; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Preschool children; preschool yard; interaction; outdoor environment; participation; place; Förskolebarn; förskolegård; möten; delaktighet; inflytande;

    Sammanfattning : This thesis is the result of a study that considers children’s encounters with others; participation and influence in a pedagogical outdoor environment in three different preschool playgrounds. More specifically, a study is under-taken of how children’s encounters are shaped in the pedagogically adapted outdoor environment of the preschool with the focus on how children’s par-ticipation and influence finds expression in the preschool playground’s dif-ferent facilities. LÄS MER