Search for dissertations about: "Sven A E Johansson"

Showing result 1 - 5 of 8 swedish dissertations containing the words Sven A E Johansson.

  2. 1. Active Noise Control in Aircraft : Algorithms and Applications

    Author : Sven Johansson; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; active noise control; feedforward control; filtere-x lms algorithm; complex lms; multichannel system; multiple reference; aircraft; headset;

    Abstract : The thesis consists of five papers which are divided into three main parts. Parts A and B deal with active noise control in a propeller aircraft application, whereas Part C deals with active noise control in a helicopter application. READ MORE

  4. 2. A computational study of interface structures and energetics in cemented carbides and steels

    Author : Sven Johansson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; WC-Co; cemented carbides; interfaces; density functional theory; microstructure; sintering; steels;

    Abstract : Cemented carbides are hard composite materials of great industrial importance. Because of their combination of hardness and toughness, they are used e.~g. for cutting, drilling, turning and milling. READ MORE

  5. 3. Toward more inclusive labor markets : A firm-level perspective on hiring outsiders

    Author : Hans Seerar Westerberg; Dan Johansson; Sven-Olov Daunfeldt; Per Skedinger; Örebro universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Labor costs; minimum wage; payroll tax; employment; immigrants; unemployment; high-growth firms;

    Abstract : This thesis contains five self-contained papers on firms’ hiring decisions regarding outsiders and how these decisions interact with insiders. Outsiders are broadly defined as people with a weak labor market position, e.g., unemployed, non-Western migrants or minimum-wage workers. READ MORE

  6. 4. Economic dynamism : essays on firm entry and firm growth

    Author : Niklas Elert; Sven-Olov Daunfeldt; Dan Johansson; Niklas Rudholm; Erik Stam; Örebro universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; entrepreneurship; innovation; firm entry; regional economics; Gibrat s law; firm growth; firm size; gazelles; high-growth firms; highimpact firms; Economics; Nationalekonomi;

    Abstract : The topic of this thesis is economic dynamism. The five articles contribute to the literature on firm entry and firm growth. Studies are based on a dataset covering all Swedish limited liability firms between 1997 and 2010. READ MORE

  7. 5. Magnetic Resonance Imaging of Human Brown Adipose Tissue : Methodological Development and Application

    Author : Elin Lundström; Joel Kullberg; Håkan Ahlström; Lars Johansson; Robin Strand; Sven Månsson; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Brown adipose tissue; Magnetic resonance imaging; Positron emission tomography; Image segmentation; Glucose metabolism;

    Abstract : Brown adipose tissue (BAT) is a thermogenic organ with the main human depot located in the cervical-supraclavicular (sBAT) region. BAT is proposed as a potential therapeutic target for obesity and diabetes. READ MORE