Blar i Fakultet for informasjonsteknologi og elektroteknikk (IE) på tittel

Viser treff 18973-18992 av 20808

    • Time-aware Approaches to Information Retrieval 

      Kanhabua, Nattiya (Doktoravhandlinger ved NTNU, 1503-8181; 2012:5, Doctoral thesis, 2012)
      In this thesis, we address major challenges in searching temporal document collections. In such collections, documents are created and/or edited over time. Examples of temporal document collections are web archives, news ...

    • Time-Aware Distributed Sequential Detection of Gas Dispersion via Wireless Sensor Networks 

      Tabella, Gianluca; Ciuonzo, Domenico; Yilmaz, Yasin; Wang, Xiaodong; Salvo Rossi, Pierluigi (Peer reviewed; Journal article, 2023)
      This work addresses the problem of detecting gas dispersions through concentration sensors with wireless transmission capabilities organized as a distributed Wireless Sensor Network (WSN). The concentration sensors in the ...

    • Time-Dependent Electric Field Distribution in Layered Paper-Oil Insulation 

      Håkonseth, Gunnar; Ildstad, Erling (Journal article; Peer reviewed, 2019)
      Layered paper–oil insulation is used in several types of HVDC equipment. In order to better understand breakdown mechanisms and optimize the design, it is important to understand the electric field distribution in the ...

    • Time-domain spectroscopy of KTiOPO4 in the frequency range 0.6 - 7.0 THz 

      Mølster, Kjell Martin; Sørgård, Trygve; Laurell, Hugo; Canalias, Carlota; Pasiskevicius, Valdas; Laurell, Fredrik; Österberg, Ulf Lennart (Journal article; Peer reviewed, 2019)
      We report on THz time-domain spectroscopy measurements of flux grownKTiOPO4in the frequency range 0.6–7.0 THz (20 to 240 cm−1). Our results compare well with earlierRaman and far-infrared measurements. We theorize that the ...

    • Time-Frequency analysis for nonlinear and non-stationary signals using HHT: A mode mixing separation technique 

      Gasca, Maria Victoria; Molinas Cabrera, Maria Marta; Fosso, Olav B; Bueno-Lopez, Maximiliano (Journal article, 2018)
      Time and frequency localizations are of crucial importance in the analysis of nonlinear and non-stationary processes, especially in systems with high level of complexity where detection of information/events, estimation ...

    • Time-Frequency Analysis Meets Quantum Harmonic Analysis 

      Skrettingland, Eirik (Doctoral theses at NTNU;2021:152, Doctoral thesis, 2021)
      The subject of this thesis is the study of quantum harmonic analysis and timefrequency analysis, and in particular the intersection of these two fields. Quantum harmonic analysis is studied abstractly both by obtaining new ...

    • Time-frequency analysis on the adeles over the rationals 

      Enstad, Ulrik Bo Rufus; Jakobsen, Mads Sielemann; Luef, Franz (Journal article; Peer reviewed, 2019)
      We show that the construction of Gabor frames in with generators in and with respect to time-frequency shifts from a rectangular lattice is equivalent to the construction of certain Gabor frames for over the adeles over ...

    • Time-Frequency Fused Underwater Acoustic Source Localization Based on Contrastive Predictive Coding 

      Zhu, Xiaoyu; Dong, Hefeng; Salvo Rossi, Pierluigi; Landrø, Martin (Peer reviewed; Journal article, 2022)
      We propose a time-frequency fused underwater acoustic source localization method based on self-supervised learning with contrastive predictive coding. Firstly, two feature extractors are trained to solve the pretext task ...

    • Time-Invariant State-Space model of an AC Cable by dq-representation of Frequency-Dependent π-sections 

      D'Arco, Salvatore; Suul, Jon Are Wold; Beerten, Jef (Chapter, 2019)
      This paper introduces an approach for frequency-dependent pi-section (FD- π) modelling of ac cables which enables a time-invariant state-space representation that accounts for the frequency-dependent cable characteristics. ...

    • Time-Lapse 3D CSEM for Reservoir Monitoring Based on Rock Physics Simulation of the Wisting Oil Field Offshore Norway 

      Ettayebi, Mohammed; Wang, Shunguo; Landrø, Martin (Peer reviewed; Journal article, 2023)
      The marine controlled-source electromagnetic (CSEM) method has been used in different applications, such as oil and gas reservoir exploration, groundwater investigation, seawater intrusion studies and deep-sea mineral ...

    • Time-of-Flight (TOF) depth camera for Navigation and Mapping 

      Chris André Brombach (Master thesis, 2019)
      Denne masteroppgaven ser p ̊a bruken av time of flight(ToF) kamera som en visuellsensor til problematikk som lokalisering, kartlegging, kollisjonsunng ̊aelse og andreaktulle datasynsoppgaver. Den starter med en introduksjon ...

    • Time-Optimal Adaptation in Metabolic Network Models 

      Köbis, Markus Arthur; Bockmayr, Alexander; Steuer, Ralf (Peer reviewed; Journal article, 2022)
      Analysis of metabolic models using constraint-based optimization has emerged as an important computational technique to elucidate and eventually predict cellular metabolism and growth. In this work, we introduce time-optimal ...

    • Time-Proportional Performance Analysis for Out-of-Order Processors 

      Gottschall, Björn (Doctoral theses at NTNU;2024:52, Doctoral thesis, 2024)
      The quest for an increase in processor performance has become difficult due to the inherent power limitations of today’s chips. As processors become more complex with deeper and wider pipelines, out-of-order execution, and ...

    • Time-Scaling Approaches for the Identification of Input-Output Equilibrium Maps 

      Tandberg, Vebjørn (Master thesis, 2023)
      Å ha nøyaktig informasjon om likvektpunktene til et dynamisk unlineært system er viktig i prosessindustrien. Det er derfor interresant å undersøke måter å tillegne seg kjennskap om disse likevekstpunktene på en effektiv ...

    • Time-Series Cache 

      Knotten, David Rise; Aglen, Einar Andreas (Bachelor thesis, 2022)
      I den moderne teknologiens verden er der en økning av enheter som er tilkoblet tingenes internett. Denne koblingen mot internettet har åpnet for sentralisering av tids-serie data som gjør at denne dataen, som typisk har ...

    • Time-series predictions with Recurrent Neural Networks - Studying Recurrent Neural Networks predictions and comparing to state-of-the-art Sequential Monte Carlo methods 

      Finsveen, Lene (Master thesis, 2018)
      Recurrent Neural Networks (RNNs) have shown great success in sequence-to-sequence processing due to its ability to retain memory while incrementally processing sequence elements. It has become a fundamental algorithm for ...

    • Time-variable scene quality perception tests 

      Berge, Håvard (Master thesis, 2009)
      Plan and carry out perception tests of time-varying scene composition, spatial and temporal resolution of scene objects, respectively, as defined in DMP. Base the time-variation on short time intervals of only tenths of ...

    • Time-varying coherency study using TFC 

      Shweta, NN; Kishor, Nand; Uhlen, Kjetil; Mohanty, S. (Chapter, 2017)
      An assessment of the dynamic interactions between generators will provide valuable information which could improve control action and hence maintain stability in the interconnected system. The paper presents the study on ...

    • Timeframe-based contiguous file carving in video surveillance systems 

      Magnussen-Vik, Jostein (Master thesis, 2023)
      I straffesaker er ofte overvåkingsfilm en viktig del av bevisbildet. Det er viktig å få innhentet opptakene så tidlig som mulig på grunn av krav om sletting og lagringsplass på overvåkingssystemene. På grunn av personvernregler ...

    • TIMES-LYR – a long-term deterministic scenario analysis of the future energy system in Longyearbyen 

      Rinde, Einar Boman (Master thesis, 2020)
      Denne masteroppgaven utvikler en modell i VEDA-TIMES for å analysere overgangen fra dagens kullbaserte energisystem i Longyearbyen til et fornybart system fram mot 2050. Den lokale kullgruva som forsyner kraftverket stenges ...