Advanced search

Showing result 1 - 5 of 33 essays matching the above criteria.

  1. 1. Trädplantering i den hårdgjorda staden : utmaningar och lösningsalternativ

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Ingela Carlgren; [2024]
    Keywords : gatuträd; urbana träd; trädplantering; gatumiljö; urban jord; kompaktering; skelettjord; makadamsubstrat; rotceller; suspended pavement;

    Abstract : Träd är viktiga delar av våra städer. De bidrar med många ekosystemtjänster, som klimatreglering, dagvattenhantering och positiva hälsoeffekter. De är också viktiga identitetsskapande element. READ MORE

  3. 2. Robust Aircraft Positioning using Signals of Opportunity with Direction of Arrival

    University essay from Linköpings universitet/Reglerteknik

    Author : Erik Axelsson; Sebastian Fagerstedt; [2023]
    Keywords : Simultaneous localisation and mapping; direction of arrival; signals of opportunity; extended Kalman filter; positioning;

    Abstract : This thesis considers the problem of using signals of opportunity (SOO) with known direction of arrival (DOA) for aircraft positioning. SOO is a collective name for a wide range of signals not intended for navigation but which can be intercepted by the radar warning system on an aircraft. READ MORE

  4. 3. A review of the Kaczmarz method

    University essay from Lunds universitet/Matematikcentrum; Lunds universitet/Matematik (naturvetenskapliga fakulteten)

    Author : Carl Lokrantz; [2023]
    Keywords : Kaczmarz method; Least squares; Image reconstruction; Iterative method; Linear system of equations; Projection; Numerical Linear Algebra; Block Kaczmarz; Greedy Kaczmarz; Randomized Kaczmarz; Mathematics and Statistics;

    Abstract : The Kaczmarz method is an iterative method for solving linear systems of equations. The Kaczmarz method has been around since it was developed by Kaczmarz 1937. The main idea behind the original Kaczmarz method is to orthogonally project the previous x_k onto the solution space given by a row of the system. READ MORE

  5. 4. Optimal Multitaper Spectrograms

    University essay from Lunds universitet/Matematisk statistik

    Author : Markus Ydreskog; [2023]
    Keywords : Time-frequency analysis; Multitaper spectrogram; Optimization; Wigner distribution; Mathematics and Statistics;

    Abstract : Multitaper spectrograms have been proposed as a method of improving the spectrogram as a time-frequency representation (TFR). This thesis aimed to investigate both previously used and new methods for combining multitaper spectrograms of a Gaussian signal and a chirp. READ MORE

  6. 5. Incels: Frustrated and Angry due to Deprivation of Intimacy : A Case Study of the Radicalisation Trajectories of an Online Community on a Fringe Social Media Platform

    University essay from Linköpings universitet/Institutet för analytisk sociologi, IAS

    Author : Aron Kiss; [2022]
    Keywords : fringe social media platforms; echo chambers; marginalised groups; unfulfilled masculinity; polarisation; radicalisation; incel; NLP;

    Abstract : Technological advancements and affordability enable voicing of social injustice, feelings of deprivation, and oppression. Spatial barriers no longer pose obstacles to connecting with like-minded (or dissimilar) others to define and refine ingroup and outgroup. READ MORE