Sökning: "amplitude functions"

Visar resultat 16 - 20 av 42 uppsatser innehållade orden amplitude functions.

  1. 16. Parametric Studies of Soil-Steel Composite Bridges for Dynamic Loads, a Frequency Domain Approach using 3D Finite Element Modelling

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Jonathan Ljung; [2019]
    Nyckelord :dynamics; soil-steel composite bridges; corrugated steel plates; frequency response functions; frequency domain; perfectly matched layers; Comsol Multiphysics; parametric studies i;

    Sammanfattning : In this thesis, parametric studies have been performed for a soil-steel compositebridge to determine and investigate the most influential parameters on the dynamicresponse.High-speed railways are currently being planned in Sweden by the Swedish TransportAdministration with train speeds up to 320 km/h. LÄS MER

  3. 17. Analysis of harmonic cross-modulation in HVDC line-commutated converters for practical design purposes

    Uppsats för yrkesexamina på grundnivå, Högskolan Väst/Avdelningen för Industriell ekonomi, Elektro- och Maskinteknik

    Författare :Casper Karlsson; [2018]
    Nyckelord :Power transmission; design; filters;

    Sammanfattning : The use of HVDC has many benefits over HVAC for some specific power transmission purposes. However, two major problems with HVDC links are that the converters produce harmonics and consume reactive power. Electrical filters are used to compensate for this and are a major cost driver of HVDC links. LÄS MER

  4. 18. Evaluation of astructured-light 3D-scanner for respiratory gating in PET/CT in a clinical setting

    Master-uppsats, KTH/Medicinteknik och hälsosystem

    Författare :Elin Wessel; [2018]
    Nyckelord :;

    Sammanfattning : In this study a structured light prototype device was evaluated for the possible use as a respiratory gating device in PET/CT. The device functions by measuring the movement in the vertical direction of the obtained 3D-surface of the chest and abdomen with the breathing. LÄS MER

  5. 19. Real-time ECG for objective stress level measurement

    Master-uppsats, Linköpings universitet/Institutionen för medicinsk teknik

    Författare :David Andersson; [2017]
    Nyckelord :;

    Sammanfattning : Today’s endeavor of performance and accomplishment might bring more efficiency in many ways, but it has a price. Stress related diseases have increased in numbers the last decades and the field of stress is an exceptionally live issue. Linkura is a company which partly works towards identifying and decreasing stress. LÄS MER

  7. 20. Ocean Waves Estimation : An Artificial Intelligence Approach

    Master-uppsats, Mälardalens högskola/Akademin för innovation, design och teknik

    Författare :Andreas Ramberg; [2017]
    Nyckelord :Artificial Intelligence; Case-Based Reasoning; Encounter Angle; Encounter Spectrum; Feedforward Neural Network; Genetic Algorithm; Inverse Problem; Marine Vessels; Master Thesis; MATLAB; Model Parameter Estimation; Ocean Theory; Peak Period; Response Amplitude Operator; Ships; Significant Wave Height; Transfer Function; Wave Spectrum; Waves;

    Sammanfattning : This thesis aims to solve the mathematical inverse problem of characterizing sea waves based on the responses obtained from a marine vessel sailing under certain sea conditions. By researching this problem the thesis contributes to the marine industry by improving products that are using ocean behavior for controlling ship's dynamics. LÄS MER