• Undervisningsmetoder i matematikkfaget og deres påvirkning av læringsmiljøet 

      Solem, Ine Merethe Selte Larsen (Bachelor thesis, 2019)
      Formålet med denne oppgaven er å gi et bilde av ulike undervisningsmetoder i matematikkfaget og deres påvirkning av læringsmiljøet i klasserommet. Undersøkelsen hadde en kvalitativ tilnærming hvor jeg observerte totalt ...
    • Undervisningspraksis i endring 

      Miknius, Edgaras (Bachelor thesis, 2019)
      Denne bacheloroppgaven omhandler overgangen fra L97 til LK06 og hvordan dette påvirket læreres undervisningsmetoder. Problemstillingen jeg har valgt er; Hvordan opplever 3 lærere at deres undervisningspraksis har endret ...
    • Underwater Acoustic Positioning System for Real-time Fish Tracking 

      Efteland, Jørn Iversen (Master thesis, 2016)
      This master thesis describes an implementation of an underwater acoustic positioning system for real-time fish tracking in large-scale aquaculture sea cages, as well as experimental tests conducted with system developed. ...
    • Underwater Communication and Position Reference System - OC2020 A-034 

      Su, Biao; Kelasidi, Eleni; Thorbjørnsen, Eirik Storås (Research report, 2020)
      This report presents results obtained in the CageReporter project regarding the development of a low cost hydroacoustic subsea communication system adapted for use in fish cages. The report mainly addresses tasks regarding ...
    • Underwater Communications: An OFDM-system for Underwater Communications 

      Gregersen, Svein Erik Søndervik (Master thesis, 2007)
      In the fall 2006 NTNU (The Norwegian University and Science and Technology) initiated a strategic project in cooperations with SINTEF where the aim is to gain more knowledge about underwater acoustic communications. This ...
    • Underwater explosions near marine structures: a Dynamics Fluid Structure Domain-Decomposition strategy 

      Colicchio, Giuseppina; Greco, Marilena; Faltinsen, Odd Magnus (Chapter, 2016)
      Historically underwater explosions (UEs) have been investigated for their huge military relevance, but they remain an important issue also for civil marine applications. As an example, UEs can occur near or on oil-gas ...
    • Underwater Hyperspectral Imaging as a Tool for Benthic Habitat Mapping 

      Mogstad, Aksel Alstad (Doctoral theses at NTNU;2021:271, Doctoral thesis, 2021)
      Since the 1950s, continuous technological advances have gradually improved our ability to map the seafloor and its associated benthic habitats. Historically, seafloor mapping has largely been carried out acoustically, using ...
    • Underwater hyperspectral imaging as an in situ taxonomic tool for deep-sea megafauna 

      Dumke, Ines; Purser, Autun; Marcon, Yann; Nornes, Stein Melvær; Johnsen, Geir; Ludvigsen, Martin; Søreide, Fredrik (Journal article; Peer reviewed, 2018)
      Identification of benthic megafauna is commonly based on analysis of physical samples or imagery acquired by cameras mounted on underwater platforms. Physical collection of samples is difficult, particularly from the deep ...
    • Underwater hyperspectral imaging: a new tool for marine archaeology 

      Ødegård, Øyvind; Mogstad, Aksel Alstad; Johnsen, Geir; Sørensen, Asgeir Johan; Ludvigsen, Martin (Journal article; Peer reviewed, 2018)
      By applying an underwater hyperspectral imager (UHI) to a selection of archaeological artifacts, we have found spectral signatures that are representative of materials likely to be present at wreck sites. By successfully ...
    • Underwater Imaging and the effect of Inherent Optical Properties on image quality 

      Kjerstad, Ingrid (Master thesis, 2014)
      - sammendrag ikke utfylt
    • Underwater Incremental Surface Reconstruction from Dynamic 3D Point Clouds 

      Schmidt, Magnus Stray (Master thesis, 2022)
      Autonome undervannsfarkoster (AUV-er) kan utvide vår tilgang til havene betydelig. For en AUV kan det være nødvendig å ha et kart omgivelsene for å gjennomføre noen typer oppgaver, som ruteplanlegging og kollisjonsunngåelse. ...
    • Underwater Navigation of AUVs 

      Haugedal, Andreas (Master thesis, 2010)
      Designing and developing an autonomous underwater vehicle (AUV) that is capable of performing a diverse set of operations is challenging in many ways, and requires broad insight into many fields of research. This paper ...
    • Underwater parachute, an alternative installation method 

      Helvik, Amund Døssland (Master thesis, 2018)
      In the following thesis the concept of free-falling underwater parachute systems are investigated, as a substitute for traditional methods for installing subsea structures. Model size experimental research has been carried ...
    • Underwater Pose Estimation with Deep Learning 

      Mari Hovem Leonhardsen (Master thesis, 2019)
      Denne masteroppgaven undersøker om dyp læring kan anvendes for kamerabasert lokalisering av undervannsfartøy. En undergren innenfor dype nevrale nettverk, nemlig convolutional neural networks (CNN), er valgt for dette ...
    • Underwater Pose Graph SLAM with DVL-Enhanced Visual Loop Closure for Future Aquaculture 

      Straume Haugland, Kyrre (Master thesis, 2021)
      Denne masteroppgaven presenterer en metode for å løse lokaliserings- og kartleggingsproblemet (SLAM) for en fjernstyrt undervannsfarkost (ROV) i en merde. Dette problemet er løst ved å bruke en poseringsgraf-SLAM-algoritme ...
    • Underwater Position and Attitude Estimation Using Acoustic, Inertial, and Depth Measurements 

      Jørgensen, Erlend Kvinge; Fossen, Thor I.; Bryne, Torleiv Håland; Schjølberg, Ingrid (Peer reviewed; Journal article, 2019)
      This article considers the problem of constructing an observer for estimating position, velocity, attitude, underwater wave speed, rate sensor bias, and accelerometer bias that has both proven stability and close-to-optimal ...
    • Underwater Positioning using near Surface Long Baseline Transponder’s Induced by Wave Motion 

      Sandøy, Stian Skaalvik; Schjølberg, Ingrid (Chapter, 2017)
      This paper presents a filter for underwater positioning in an aquaculture environment with demanding weather conditions. The positioning system is based on acoustic transponders mounted at a net pen on the sea surface. The ...
    • Underwater Radio Communication 

      Fjuk, Per Øyvind Eid (Master thesis, 2013)
      In subsea applications, there is a growing demand for high-speed wireless communication links for transmitting data between different equipment. Radio communication is constrained by the high attenuation in seawater. Only ...
    • Underwater Radio Communication 

      Fjuk, Per Øyvind Eid (Master thesis, 2013)
      In subsea applications, there is a growing demand for high-speed wireless communication links for transmitting data between different equipment. Radio communication is constrained by the high attenuation in seawater. Only ...
    • Underwater recording and beamforming methods applicable for suppressing surface sounds from aquaculture facilities 

      Stene, Kristian Sørensen (Master thesis, 2020)
      Nylig økt fokus på produksjonseffektivitet og fiskevelferd har skapt behovet for ny teknologi for å overvåke statusen til fisk under forskjellige driftsforhold innen fiskeoppdett. Innspillinger av kjente retningsbestemte ...