Sökning: "index assignment"

Visar resultat 1 - 5 av 9 avhandlingar innehållade orden index assignment.

  1. 1. Voronoi-Based Coding

    Författare :Erik Agrell; Chalmers University of Technology; []
    Nyckelord :Voronoi diagram; linear block code; Gaussian channel; neighbor descent; nearest neighbor search algorithm; computational geometry; asymptotic theory; source coding; lattice; vector quantization; soft-decision decoding; index assignment; channel coding; complexity;

    Sammanfattning : The performance of a digital communication system can generally be improved by increasing the number of variables being jointly coded. In this sense, it is desirable to have, e.g., higher-dimensional quantizers, longer channel codes, and more users in a multiple-access system. LÄS MER

  2. 2. Investigating cellulose structure using solid-state NMR spectroscopy

    Författare :Alexander Idström; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; TEKNIK OCH TEKNOLOGIER; NATURAL SCIENCES; ENGINEERING AND TECHNOLOGY; CNC; crystallinity index; regenerated cellulose; 2D NMR; native cellulose; pulp; Solid-state NMR; ionic liquids; CP MAS 13C-NMR; hornification;

    Sammanfattning : Cellulose is the most abundant polymer in nature and it is an important constituent in most flowers, trees, and even some animals. Cellulose has an established use in many important products, such as textile fibers, paper and paperboard, and recently new applications have received increased attention. LÄS MER

  3. 3. Making Equity in Public Transport Count

    Författare :Isak Rubensson; Yusak Susilo; Oded Cats; Karst Geurs; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Public transport; Subsidies; Fare-schemes; Accessibility; Crowding; transport justice; Equity; Distribution; Gini index; Lorenz curves; Customer satisfaction; Service quality; Preferences; Reliability; Transportsystem; Transport Systems; Transportvetenskap; Transport Science;

    Sammanfattning : Political and public focus on equity and justice outcomes of public policies is on the rise all over the world. Equity is both philosophically motivated and often decreed by law and in planning directives to be monitored when policies are changed, however oftentimes these equity assessments are vague, qualitative and carries low weight in policy decision processes. LÄS MER

  4. 4. Membrane Orientation Studies with Polarized Light Spectroscopy

    Författare :Malin Ardhammar; Chalmers University of Technology; []
    Nyckelord :lipid vesicle; membrane orientation; flow linear dichroism; oriented circular dichroism;

    Sammanfattning : Lipid vesicles are versatile tools in modern biophysical science. They can be used as models of the cell membrane, to examine permeability, stability and behavior of molecules in the bilayer. They may act as transporters in a pharmacological context, designed to deliver their cargo to a certain place in the patient. LÄS MER

  5. 5. Studies on energy expenditure in walking after stroke

    Författare :Anna Danielsson; Göteborgs universitet; Göteborgs universitet; Gothenburg University; []
    Nyckelord :gait; rehabilitation; assessment; physical therapy; oxygen consumption; body weight support; orthotic devices; physical activity;

    Sammanfattning : Aims: The aims were to assess energy expenditure during different conditions, evaluate measurement methods and assess physical activity after stroke. Methods: In total 51 persons with stroke >6 months previously (mean age 56) and 24 reference persons participated. LÄS MER