Search for dissertations about: "johan sjöberg"

Showing result 1 - 5 of 17 swedish dissertations containing the words johan sjöberg.

  1. 1. On dynamic bit allocation in CELP speech coding

    Author : Johan Sjöberg; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; excitation coding; dynamic bit allocation; long term predivtion; speech coding; code excited linear prediction; vector quantization;

    Abstract : .... READ MORE

  2. 2. Optimal Control and Model Reduction of Nonlinear DAE Models

    Author : Johan Sjöberg; Torkel Glad; Xiaoming Hu; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; DAE Models; Optimal Control; Model Reduction; Automatic control; Reglerteknik;

    Abstract : In this thesis, different topics for models that consist of both differential and algebraic equations are studied. The interest in such models, denoted DAE models, have increased substantially during the last years. READ MORE

  3. 3. Some Results On Optimal Control for Nonlinear Descriptor Systems

    Author : Johan Sjöberg; Torkel Glad; Xiaoming Hu; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Optimal Control; Descriptor Systems; Differential-Algebraic Systems; Controllability Function; Observability Function; Automatic control; Reglerteknik;

    Abstract : I denna avhandling studeras optimal återkopplad styrning av olinjära deskriptorsystem. Ett deskriptorsystem är en matematisk beskrivning som kan innehålla både differentialekvationer och algebraiska ekvationer. READ MORE

  4. 4. Undifferenced GPS for Deformation Monitoring

    Author : Johan Vium Andersson; Lars Sjöberg; Jonas Ågren; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; : deformation monitoring; GPS; modified NGS-parameters; undifferenced GPS-observations; Kalman filter; Geoengineering; Geoteknik;

    Abstract : This thesis contains the development of a deformation monitoring software based on undifferenced GPS observations. Software like this can be used in alarm systems placed in areas where the earth is unstable. READ MORE

  5. 5. Intensive care in chronic obstructive pulmonary disease : treatment with non-invasive ventilation and long-term outcome

    Author : Johan Berkius; Sten Walther; Folke Sjöberg; Hans Blomqvist; Linköpings universitet; []
    Keywords : ;

    Abstract : Background: Chronic obstructive pulmonary disease (COPD) is a major cause of chronic morbidity and mortality throughout the world. When we began this project our knowledge about the outcome of COPD patients admitted to the ICU in Sweden was scarce. READ MORE