Sökning: "periodic oscillations"
Visar resultat 1 - 5 av 14 uppsatser innehållade orden periodic oscillations.
1. Application of Fourier Transforms to time-resolved ambient pressure spectroscopy operando studies of CO oxidation over Pt(111)
Master-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/SynkrotronljusfysikSammanfattning : The study of heterogeneous catalysis has important implications in increasing the efficiency of industrial processes and in reducing the emissions of greenhouse gases from sources such as automobiles. A reaction with high industrial relevance is the oxidation of CO on noble metal catalysts. LÄS MER
2. Digitally Controlled Oscillator Topologies for mm-Wave Pulsed Coherent Radar
Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknikSammanfattning : The advancement of future generations of wireless communication and radar sensing warrants the need for mm-wave digitally controlled oscillators (DCOs) with high-frequency trade-offs in consideration. The purpose of this project is to investigate DCO topologies inspired from scientific literature. LÄS MER
3. Modelling of nanometric cutting in metals using MD simulations
Magister-uppsats, Lunds universitet/MekanikSammanfattning : This master thesis project has been done within the Mechanics department of Lunds Tekniska Högskola (LTH). It studies the nanometric cutting process of a single crystal copper workpiece by a cubic diamond tool using Molecular Dynamics (MD) simulations on the software LAMMPS. LÄS MER
4. Synchrotrons as a Source for Soft X-Ray Lithography
Master-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionenSammanfattning : To move to lower modes in extreme ultra-violet lithography (EUVL) technology (and keep up with Moore’s law), new sources of soft X-ray radiation must be developed. It is clear from previous studies that Free Electron Lasers (FELs) can easily meet the in-band power requirements at these lower wavelength modes, however detailed studies for insertion devices (undulators) as a soft X-ray lithography (SXL) source are due for a re-evaluation. LÄS MER
5. Studie av självexciterade periodiska svängningar hos en hackspettsleksak
Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)Sammanfattning : I denna studie presenteras två olika modeller över den icke-linjära dynamiken för en hackspettsleksak som i båda fallen modelleras som ett stelt flerkroppssystem. Modellerna är sedan implementerade i Matlab med hjälp av växlingsalgoritmer och därefter numeriskt analyserade för periodiskt stabila jämviktlägen genom att tillämpa fixpunktsiteration. LÄS MER