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2 Doktoravhandlinger ved Universitetet i Sørøst-Norge [181]
3 Masteroppgaver [2706]
4 Studentarbeider av lavere grad [189]
5 Forskningssentrene [771]
6 Skriftserier [371]
  • Electrical power factor for a single crystal tonpilz versus a plate with matching layers 

    Røed, Ellen Katrine Sagaas; Bring, Martin; Tichy, Frank; Åsjord, Else-Marie; Hoff, Lars (Peer reviewed; Journal article, 2021)
    For underwater transducers mounted on small platforms, reactive electrical power can constitute a main restriction on the usable frequency range. The frequency range in which the amount of reactive power is acceptable can ...
  • Increased Usable Frequency Band for Underwater Transducers with Single Crystal 

    Røed, Ellen Katrine Sagaas; Andersen, Kenneth Kirkeng; Bring, Martin; Tichy, Frank; Åsjord, Else-Marie; Hoff, Lars (Peer reviewed; Journal article, 2020)
    In the increasing market of transducers for small underwater platforms, each transducer should be used for several purposes, hence cover as large frequency range as possible. Bandwidth is commonly defined as the -3dB limit ...
  • Design and Development of An ASP.NET Based ITM Data Center To Support Open Data 

    Rahman, Md. Rahatur; Al Forhad, Md. Abdullah; Ahmed, Salah Uddin; Akhter, Md. Shamim (Chapter, 2021)
    Intelligent Traffic Management (ITM) helps to solve real-time traffic problems and guides efficient and effective routes to reach a destination. It aggregates information from various sensors located in different places ...
  • Acoustic Characterization of Inhomogenous Layers using Finite Element Method 

    Bolstad, Per Kristian; Manh, Tung; Frijlink, Martijn; Hoff, Lars (Peer reviewed; Journal article, 2021)
    This study presents a finite element approach to estimate acoustic parameters of layers of arbitrary compositions using 2D and 3D models. In this approach the resonance frequency of a layer to be investigated is found by ...
  • Ultrasound Transducers for High Pressure Environments Up to 1000 Bar 

    Bolstad, Per Kristian; Manh, Tung; Midtseter, Nils; Frijlink, Martijn Egbert; Hoff, Lars (Peer reviewed; Journal article, 2020)
    This paper studies the influence of high ambient pressure on ultrasound transducers where the piezoelectric layer is bonded to the acoustic matching layer by two different methods: Au-Sn solid-liquid interdiffusion and ...

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