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Visar resultat 31 - 35 av 411 avhandlingar innehållade ordet branch.
31. Applications of Integer Quadratic Programming in Control and Communication
Sammanfattning : The main topic of this thesis is integer quadratic programming with applications to problems arising in the areas of automatic control and communication. One of the most widespread modern control principles is the discrete-time method Model Predictive Control (MPC). LÄS MER
32. Distributed Coordination in Multiantenna Cellular Networks
Sammanfattning : Wireless communications are important in our highly connected world. The amount of data being transferred in cellular networks is steadily growing, and consequently more capacity is needed. This thesis considers the problem of downlink capacity improvement from the perspective of multicell coordination. LÄS MER
33. Features of the Electric Fields Generated by Lightning with Special Attention to Positive Ground Flashes
Sammanfattning : This thesis focuses on the main processes in positive ground flashes and the distant lightning environment for both positive and negative ground flashes. It presents the characteristics of the preliminary breakdown pulses (PBPs), the characteristics of the electric field pulses observed during leader propagation, and the characteristics of the electric fields produced by the first and the subsequent return strokes. LÄS MER
34. Advances in Complex Endovascular Aortic Repair
Sammanfattning : .... LÄS MER
35. Electron Transport in Low Dimensional Systems
Sammanfattning : This thesis consists of experimental studies of transport properties in high mobility two dimensional electron gases (2DEGs). Two material systems are used, an AlGaAs/GaAs heterojunction and a GaInAs/InP quantum well. LÄS MER