Sökning: "Christer A Andersson"

Visar resultat 1 - 5 av 31 avhandlingar innehållade orden Christer A Andersson.

  1. 1. Acute anterior cruciate ligament injuries : evaluation of surgical och non-surgical treatment

    Författare :A. Christer Andersson; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : This study comprising 6 separate papers is concerned with the treatment of patients with acute anterior cruciate ligament (ACL) injury. The aim was to compare primary surgical and non-surgical ACL treatment. Treatment was, therefore, instituted at random in all consecutive patients (n = 293) with ACL injury. LÄS MER

  3. 2. Numerical simulation of dendritic solidification using a phase field model

    Författare :Christer Andersson; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  4. 3. High Efficiency Microwave Amplifiers and SiC Varactors Optimized for Dynamic Load Modulation

    Författare :Christer Andersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nonlinear measurements; power amplifiers; load modulation; GaN; SiC; varactors; HEMT; wide bandgap technology; energy efficiency;

    Sammanfattning : The increasing use of mobile networks as the main source of internet connectivity is creating challenges in the infrastructure. Customer demand is a moving target and continuous hardware developments are necessary to supply higher data rates in an environmentally sustainable and cost effective way. LÄS MER

  5. 4. SiC Varactors for Dynamic Load Modulation of Microwave Power Amplifiers

    Författare :Christer Andersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nonlinear characterization; varactors; active load-pull; power; microwave; amplifier; dynamic load modulation; SiC; energy efficiency;

    Sammanfattning : The rapid consumer adoption of mobile services is leading to an exponential growth in wireless data traffic. In order to accommodate more concurrent high data-rate users, the required complexity of transmitting radio base station (RBS) power amplifiers (PAs) is increasing. LÄS MER

  7. 5. Enhancing Privacy for Mobile Networks : Examples of Anonymity Solutions and Their Analysis

    Författare :Christer Andersson; Simone Fischer-Huebner; Dogan Kesdogan; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; privacy; anonymity; pseudonymity; identity management; mobile Internet; location based services; mobile ad hoc networks; Computer science; Datavetenskap; Datavetenskap; Computer Science;

    Sammanfattning : Internet and mobile communications have had a profound effect on today’s society. New services are constantly being deployed, in which an increasing amount of personal data is being processed in return for personally tailored services. Further, the use of electronic surveillance is increasing. LÄS MER