Sökning: "ODS"
Visar resultat 1 - 5 av 21 avhandlingar innehållade ordet ODS.
1. Laser-based powder bed fusion of stainless steels
Sammanfattning : The aim of the present work has been to widen the knowledge of how variations within powder manufacturing affect laser-based powder bed fusion processing, and how this processing affects the microstructure and strength of stainless steels. The approach was to keep the processing parameters fixed while the powder feedstock was varied. LÄS MER
2. Development of Nanostructured Tungsten Based Composites for Energy Applications
Sammanfattning : Tungsten (W) based materials can be used in fusion reactors due to several advantages. Different fabrication routes can be applied to develop tungsten materials with intended microstructure and properties for specific application including nanostructured grades. LÄS MER
3. Channel Coding and Multiuser Detection for CDMA and Wireless Communications
Sammanfattning : Next generation wireless communication systems will require support for many different applications as well as improved quality compared to existing second generation systems like GSM (Global System for Mobile communications). Since there will be more users and higher data rates, the capacity must also be increased. LÄS MER
4. Multirate Codes and Multicarrier Modulation for Future Communication Systems
Sammanfattning : In this thesis, new detection and modulation methods for multicarrier systems are presented. The proposed multicarrier detectors are based on feedback of previously detected symbols and the idea is to exploit the correlation, both in time between consecutive symbols, and in frequency between neighboring sub-carriers. LÄS MER
5. Open drug scenes and the merging of policing practice and research : a pracademic approach
Sammanfattning : Policing research has had an upswing as the evidence-based policing movement has grown stronger and entered police practises worldwide. Within the evidence-based policing (EBP) approach, practically and academically skilled individuals, pracademics, have attracted attention as facilitating the merging of policing practice and research. LÄS MER