• Personlig tilpasning av HRTF-sett for 3D-lyd 

      Brox, Kristian (Master thesis, 2016)
      For at vi skal kunne benytte oss av vår binaurale hørsel i virtuelle applikasjoner, ved bruk av hodetelefoner, trenger vi Hode-Relaterte Overføringsfunksjoner, forkortet til HRTF på engelsk. Uheldigvis vil denne HRTF'en ...
    • Perspectives of optical colourimetric sensors for anaerobic digestion 

      Lamb, Jacob Joseph; Bernard, Olivier; Sarker, Shiplu; Lien, Kristian Myklebust; Hjelme, Dag Roar (Journal article; Peer reviewed, 2019)
      Although biogas is not a new approach to producing renewable fuel, it could further be developed to improve its potential as an alternative energy source. To achieve this, vast improvements in the efficiency and cost of ...
    • Perspectives of surface plasmon resonance sensors for optimized biogas methanation 

      Lamb, Jacob Joseph; Bernard, Olivier; Sarker, Shiplu; Lien, Kristian Myklebust; Hjelme, Dag Roar (Journal article; Peer reviewed, 2019)
      Biogas production is becoming significantly viable as an energy source for replacing fossil‐based fuels. The further development of the biogas production process could lead to significant improvements in its potential. ...
    • Phase Equalization in a DVB-S2 Satellite Broadcasting System 

      Ingeborgrud, Hans Olav (Master thesis, 2011)
      Satellite systems utilize bandpass filters with steep slopes at the edges of the passband, to maximize the usage of the available spectrum. This results in induced group delay and severe degradation in system performance.In ...
    • Phase Error Evaluation via Differentiation and Cross-Multiplication Demodulation in Phase-Sensitive Optical Time-Domain Reflectometry 

      Lu, Xin; Thomas, Peter James (Peer reviewed; Journal article, 2023)
      Phase-sensitive optical time-domain reflectometry (φOTDR) is a technology for distributed vibration sensing, where vibration amplitudes are determined by recovering the phase of the backscattered light. Measurement noise ...
    • Phased Array for UHF satellite ground station - Raising Efficiency and Lowering Costs through Heterodyne Steering 

      Marc Hölscher (Master thesis, 2024)
      Existing high gain antennas for the communication with orbiting satellites are often large to reach sufficient gain and require mechanical two-dimensional steering to be dynamically pointed at passing satellites (or other ...
    • Photoluminescence study of as-grown self-catalyzed GaAs/AlGaAs core-shell nanowires 

      Slåttnes, Patrick Rene Tollefsen (Master thesis, 2012)
      A macro-photoluminescence study of self-catalyzed nanowires, using a specializedsetup for this purpose, has been performed. Several samples were even comparedto single nanowire micro-photoluminescence measurements, on the ...
    • Photoluminescence Study of Enhanced Light Emission from HgCdTe Thin Films due to a Surface Pattern 

      Haugan, Espen Tunhøvd (Master thesis, 2015)
      HgCdTe thin film samples with a CdTe passivation layer have been grown by molecular beam epitaxy, and photolithography has been used to etch a triangular pattern of holes into the passivation layer. The enhancement in ...
    • Photonic crystal light emitting diode 

      Leirset, Erlend (Master thesis, 2010)
      This master's thesis describe electromagnetic simulations of a gallium antimonide (GaSb) light emitting diode, LED. A problem for such devices is that most of the generated light is reflected from the surface due to total ...
    • Photonic Crystal Structures: Design and Fabrication 

      Lorvik, Marius (Master thesis, 2013)
      This thesis is devoted to the study of photonic crystal (PhC) design and fabrication. The design of a trigonal PhC waveguide is evaluated using finite element method (FEM) simulation software, and some considerations ...
    • Photonic Crystal Waveguide Fabrication 

      Høvik, Jens (Master thesis, 2012)
      This research is entirely devoted to the study and fabrication of structures with periodic dielectric constants, also known as photonic crystals (PhCs). These structures show interesting dispersion characteristics which ...
    • Photonic-crystal membranes for optical detection of single nano-particles, designed for biosensor application 

      Grepstad, Jon Olav; Kaspar, Peter; Solgaard, Olav; Johansen, Ib-Rune; Sudbø, Aasmund (Peer reviewed; Journal article, 2012)
      A sensor designed to detect bio-molecules is presented. The sensor exploits a planar 2D photonic crystal (PC) membrane with sub-micron thickness and through holes, to induce high optical fields that allow detection of ...
    • Physical Layer Security for In-Body Wireless Cardiac Sensor Network 

      Awan, Muhammad Faheem (Doctoral theses at NTNU;2020:136, Doctoral thesis, 2020)
      The thesis explores the physical layer security approaches for securing an in body multi-nodal leadless cardiac pacemaker (LCP) communication system. Pacemakers are implanted medical devices, used to treat different types ...
    • Physical-Statistical Channel Model for Off-body Area Network 

      Mohamed, Marshed Kassim; Cheffena, Michael; Moldsvor, Arild; Fontán, Fernando Pérez (Journal article; Peer reviewed, 2017)
      Abstract: In this letter, a physical-statistical-based channel model for off-body wireless communications is presented. The model utilizes a dynamic human walking model, which provides detailed description of the movement ...
    • Physically Based Rendering on Mobile 

      Rahme, Daniel (Master thesis, 2023)
      Mobile phones are widely used and its hardware is now capable of rendering advanced graphics. Physically based rendering (PBR) is a technique which makes computer graphics look realistic and professional. PBR has been used ...
    • Physics-based Analytical Engineering Models of Graphene Micro- and Nanostrip Lines 

      Kouzaev, Guennadi (Journal article; Peer reviewed, 2019)
      In this paper, new approximate analytical models of graphene-based micro-and nanostrip transmission lines are given. These models are based on the representation of the mentioned lines by a parallel-plate waveguide embedded ...
    • Physics-based characterization of soft marine sediments using vector sensors 

      Godin, Oleg A.; Deal, Thomas J.; Dong, Hefeng (Peer reviewed; Journal article, 2021)
      In a 2007 experiment conducted in the northern North Sea, observations of a low-frequency seismo-acoustic wave field with a linear horizontal array of vector sensors located on the seafloor revealed a strong, narrow peak ...
    • Physics-informed and learning-based approaches to biomedical hyperspectral data analysis 

      Bjørgan, Asgeir (Doctoral theses at NTNU;2021:157, Doctoral thesis, 2021)
      The high spectral and spatial resolution of hyperspectral imaging makes it a promising imaging technique for a wide range of biomedical applications. A recurring challenge is the handling and processing of the large amounts ...
    • Plasma-assisted oxide removal from p-type GaSb for low resistivity ohmic contacts 

      Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove (Journal article, 2015)
      The effect of several plasma-assisted oxide removal techniques prior to metallization of p-type GaSb was investigated. Compared to conventional chemical methods, the plasma-assisted oxide removal resulted in significant ...
    • Plasmonic FET Terahertz Spectrometer 

      Liu, Xueqing; Ytterdal, Trond; Shur, Michael S. (Peer reviewed; Journal article, 2020)
      We show that Si MOSFETs, AlGaN/GaN HEMTs, AlGaAs/InGaAs HEMTs, and p-diamond FETs with feature sizes ranging from 20 nm to 130 nm could operate at room temperature as THz spectrometers in the frequency range from 110 GHz ...