Blar i Institutt for elektroniske systemer på tittel

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    • VR i Sport 

      Havre, Daniel Breive (Master thesis, 2020)
      Repeterende utholdenhetsøvelser gjort innendørs, som å løpe på en tredemølle eller ro på et ro-ergometer pleide å være ensformig og kjedelig. Bruk av ny teknologi i idrett og andre fysiske aktiviteter er i kraftig vekst, ...

    • Wake Word Detection Using Recurrent Neural Networks 

      Hunshamar, Bjørnar (Master thesis, 2018)
      Wake word detection is the process of continuously listening for some specific keyword or phrase which, when uttered, wakes up a system and initiates communication between the system and a user. This is a necessity for ...

    • wav2vec2-based Speech Rating System for Children with Speech Sound Disorder 

      Gertman, Yaroslav; Al-Ghezi, Ragheb; Voskoboinik, Ekaterina; Grósz, Tamás; Kurimo, Mikko; Salvi, Giampiero; Svendsen, Torbjørn Karl; Strömbergsson, Sofia (Peer reviewed; Journal article, 2022)
      Speaking is a fundamental way of communication, developed at a young age. Unfortunately, some children with speech sound disorder struggle to acquire this skill, hindering their ability to communicate efficiently. Speech ...

    • Wavefield reconstruction for velocity–stress elastodynamic full-waveform inversion 

      Aaker, Ole Edvard; Raknes, Espen Birger; Pedersen, Ørjan; Arntsen, Børge (Peer reviewed; Journal article, 2020)
      Gradient computations in full-waveform inversion (FWI) require calculating zero-lag cross-correlations of two wavefields propagating in opposite temporal directions. Lossless media permit accurate and efficient reconstruction ...

    • Waveform Design for Software Defined Multifunctional RF Systems 

      Åsheim, Anders (Master thesis, 2017)
      In this thesis, a study of multifunctional radio frequency (RF) systems implementing radar, communication, and electronic warfare (EW) is presented. Development of low cost and highly adaptable software defined radios ...

    • Waveguide asymmetric long-period grating couplers as refractive index sensors 

      Høvik, Jens; Yadav, Mukesh; Noh, Jong Wook; Aksnes, Astrid (Peer reviewed; Journal article, 2020)
      A highly sensitive integrated photonic transducer is designed by utilizing asymmetric long-period gratings on a silicon waveguide. These gratings are formed by periodic perturbation of the waveguide width, leading to ...

    • Wavelet based feature extraction and visualization in hyperspectral tissue characterization 

      Denstedt, Martin Anders Fredrik; Bjorgan, Asgeir; Milanic, Matija; Randeberg, Lise Lyngsnes (Journal article; Peer reviewed, 2014)
      Hyperspectral images of tissue contain extensive and complex information relevant for clinical applications. In this work, wavelet decomposition is explored for feature extraction from such data. Wavelet methods are simple ...

    • Wavelet based Video coding with optical flow for motion compensation 

      Auli, Øystein Ødegaard (Master thesis, 2011)
      In broadcasting environments intra-only video coding with JPEG 2000 has shownto provide many desired features along with high picture quality. However, thereis no exploitation of temporal redundancy, which can reduce the ...

    • Wayfinding in virtual reality serious game: An exploratory study in the context of user perceived experiences 

      irshad, shafaq; Perkis, Andrew; Azam, Waleed (Peer reviewed; Journal article, 2021)
      Extended reality (XR) technologies such as virtual reality (VR) provide a promising alternative for training users through serious games (SGs). VR SGs allow people to train in emergency scenarios and improve their likelihood ...

    • Web-based Spice for innovative learning methods 

      Gylder, Tor Braastad (Master thesis, 2019)
      Etter hvert som cloud computing øker sin tilstedeværelse, integreres flere programvarer som webapplikasjoner. IDE8 gir et skybasert utviklingsmiljø for elektronikk. Inkludering av en nettbasert Spice simulator i dette ...

    • Why intraperitoneal glucose sensing is sometimes surprisingly rapid and sometimes slow: A hypothesis 

      Åm, Marte Kierulf; Fougner, Anders Lyngvi; Ellingsen, Reinold; Hjelme, Dag Roar; Bösch, Patrick Christian; Stavdahl, Øyvind; Carlsen, Sven Magnus; Christiansen, Sverre (Journal article; Peer reviewed, 2019)
      The artificial pancreas requires fast and reliable glucose measurements. The peritoneal space has shown promising results, and in one of our studies we detected glucose changes in the peritoneal space already at the same ...

    • The Why, What, and How of Immersive Experience 

      Zhang, Chenyan (Journal article; Peer reviewed, 2020)

    • Wi-Fi based Telecommunication Infrastructure Delivered as a Service by UAV for Emergency Response 

      Zolich, Artur Piotr; Fonseca Palma, David; Birkeland, Roger; Cisek, Krzysztof Piotr; Johansen, Tor Arne (Chapter, 2022)
      In this paper we discuss Wi-Fi and complementary technologies that can be used to mitigate telecommunication gaps in search and rescue (SAR) activities and during natural disaster (ND) response scenarios. We present and ...

    • Wide frequency range measurements of absolute phase and amplitude of vibrations in micro- and nanostructures by optical interferometry 

      Martinussen, Hanne; Aksnes, Astrid; Engan, Helge Emil (Journal article; Peer reviewed, 2007)
      A heterodyne interferometer has been built in order to characterize vibrations on micro- and nanostructures. The interferometer offers the possibility of both absolute phase and high resolution absolute amplitude vibrational ...

    • Wideband Channel Characterization for 6G Networks in Industrial Environments 

      Al-Samman, Ahmed; Mohamed, Marshed Kassim; Cheffena, Michael; Moldsvor, Arild (Journal article; Peer reviewed, 2021)

    • Wideband Efficiency in a Class-F Power Amplifier 

      Stenstrøm, Andreas Berg (Master thesis, 2014)
      In this thesis, the design of a class-F/inverse class-F amplifier with high efficiency in a 1.2 GHz bandwidth and center frequency at 2.4 GHz is presented. The harmonic tuning is done by using a CAD load pull test bench ...

    • Wideband Harmonically Tuned Power Amplifier Design Based on GaN Technology for use in Envelope Tracking 

      Samuelsen, Richard (Master thesis, 2015)
      In this thesis, the design, simulation and measurements of a harmonically tuned 10 W wideband high efficiency power amplifier employing envelope tracking is presented. The simulations and design were carried out with the ...

    • Wideband, Robust Low Noise Amplifier 

      Pedersen, Magnus Nøkleby (Master thesis, 2018)
      Low noise amplifiers are important parts of receiver units in radio systems that enables communication between military vehicles. The use of such an amplifier in military and maritime equipment poses challenges to the ...

    • Wilkinson Power Divider: A Miniaturized MMIC Lumped Component Equivalent 

      Torgersen, Tron (Master thesis, 2009)
      This report will describe the simulation of a Wilkinson Power Divider, realised using lumped components to minimize its size. Every step in the process, from calculating the lumped component values to the final momentum ...

    • Wireless battery maintenance unit 

      Eriksen, Kevin (Master thesis, 2007)
      The problem presented in this thesis has been to design a charge and monitoring system for high-voltage high-capacity lithium batteries to be embedded in WesternGecos marine seismic configurations. The design of this system ...