Sökning: "noise modelling"

Visar resultat 6 - 10 av 103 uppsatser innehållade orden noise modelling.

  1. 6. Dynamic Covariance Modelling Using Generalised Wishart Processes

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Fredrik Nilsson; [2023]
    Nyckelord :Covariance matrix; generalised Wishart process; Bayesian inference; Markov chain Monte Carlo; Hamiltonian Monte Carlo; Mathematics and Statistics;

    Sammanfattning : Modern portfolio theory was pioneered by Markowitz who formulated the mean-variance problem, without which any discussion on quantitative approaches to portfolio selection would be incomplete. The framework boils down to finding the expected return $\mu$ and covariance $\Sigma$, after which the solution is proportional to $\Sigma^{-1}\mu$. LÄS MER

  3. 7. Processing of ERT data from Stabilised Columns

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Författare :Mårten Petersson; [2023]
    Nyckelord :inversion; ERT; quality control; jet grouting; aarhusinv; Technology and Engineering;

    Sammanfattning : Modern construction sites are associated with high demands on suitable soil conditions, resulting in geotechnical challenges that can be solved using soil stabilisation techniques. The reliability of these techniques is tested using different quality assurance methods. LÄS MER

  4. 8. The perception of teachers and students on the impact of indicipline on students academic performance. A case study of public secondary schools in Kasungu district Malawi.

    Master-uppsats, Göteborgs universitet/Institutionen för pedagogik och specialpedagogik

    Författare :Olgakolleta Musaya; [2022-11-28]
    Nyckelord :indiscipline; students; teachers; academic performance; secondary school; corporal Punishments;

    Sammanfattning : Aim: The purpose of this study was to explore the perception of teachers and students on the impact of indiscipline on academic performance of students in public secondary schools in Malawi. Theory: The social learning theory of Albert Bandura guided this research. LÄS MER

  5. 9. Deep Neural Networks for Noise Reduction and Bias Removal in MR Diffusion Signal

    Master-uppsats,

    Författare :Beqir Berisha; [2022-03-22]
    Nyckelord :Medical physics; Deep Neural network; Prostate cancer; noise; Diffusion-weighted imaging; Rician bias correction;

    Sammanfattning : The purpose of this study is to assess the potential of deep neural networks, trained by unsupervised learning, for diffusion weighted imaging (DWI) data modeling and denoising. DWI data were modeled by a biexponential model and Rician bias was corrected for. LÄS MER

  7. 10. Real-time Control Modelling and Output Signal Data Analysis Based on the Stewart Platform

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Junhao Cui; [2022]
    Nyckelord :Prosthesis; Stewart platform; Simulation; PID control; Kalman filter; Protes; Stewart-plattform; Simulering; PID-kontroll; Kalman-filter;

    Sammanfattning : Around 40 million people around the world have amputated parts of their bodies. Prostheses are widely used to support their daily behavior. However, about 35% of amputees refuse to use the prostheses due to comfort problems. SocketSense is an EU research project that aims to improve the situation. LÄS MER