• On the Design and Simulation of Electromagnetic Traps and Guides for Ultra-Cold Matter 

      Sand, Karl Jakob (Doktoravhandlinger ved NTNU, 1503-8181; 2010:172, Doctoral thesis, 2010)
      The objective of this thesis is the design and simulation of new electromagnetic traps and guides for ultra-cold matter. The traps and guides are intended for future experiments with small amounts of alkali atoms to study ...
    • On the effect of water-induced degradation of thin-film piezoelectric microelectromechanical systems 

      Dahl-Hansen, Runar Plunnecke; Tyholdt, Frode; Gjessing, Jo; Vogl, Andreas; Wittendorp, Paul; Vedum, Jon; Tybell, Per Thomas Martin (Peer reviewed; Journal article, 2021)
      Lifetime and reliability in realistic operating conditions are important parameters for the application of thin-film piezoelectric microelectromechanical systems (piezoMEMS) based on lead zirconate titanate (PZT). Humidity ...
    • On the Efficiency of Data Communication for the Ultramonit Corrosion Monitoring System 

      Rommetveit, Tarjei (Master thesis, 2006)
      Ultramonit is a system under development for permanent installation on critical parts of the subsea oil- and gas pipelines in order to monitor the corrosion continuously by using ultrasound. The communication link which ...
    • On the Efficiency of Data Communication for the Ultramonit Corrosion Monitoring System 

      Rommetveit, Tarjei (Master thesis, 2006)
      Ultramonit is a system under development for permanent installation on critical parts of the subsea oil- and gas pipelines in order to monitor the corrosion continuously by using ultrasound. The communication link which ...
    • On the Near-Far Gain in Opportunistic and Cooperative Multiuser Communications 

      Butt, M. Majid (Doctoral Theses at NTNU, 1503-8181; 2011:16, Doctoral thesis, 2011)
      In this dissertation, we explore the issues related to opportunistic and cooperative communications in a multiuser environment. In the first part of the dissertation, we consider opportunistic scheduling for delay limited ...
    • On the Neural Communication for Data Transmission in Nano-Networks 

      Veletic, Mladen (Doctoral theses at NTNU;2017:179, Doctoral thesis, 2017)
      Nano-networks are engineered systems for performing communication at the nano-scale. They are achieved through physical mechanisms suitable at this scale, including electromagnetism and electrochemical transport. From the ...
    • On the performance of hierarchical temporal memory predictions of medical streams in real time 

      El-Ganainy, Noha O.; Balasingham, Ilangko; Halvorsen, Per Steinar; Rosseland, Leiv Arne (Journal article; Peer reviewed, 2019)
      Machine learning is widely used on stored data, recently it is developed to model real time streams. Applying machine learning on medical streams might lead to a breakthrough on emergency and critical care through online ...
    • On the Performance of Variational Mode Decomposition-Based Radio Frequency Fingerprinting of Bluetooth Devices 

      Aghnaiya, Alghannai; Dalveren, Yaser; Kara, Ali (Peer reviewed; Journal article, 2020)
      Radio frequency fingerprinting (RFF) is one of the communication network’s security techniques based on the identification of the unique features of RF transient signals. However, extracting these features could be burdensome, ...
    • On the Ultra-low-power Wireless Communication Methods for Biomedical Implants 

      Noormohammadi, Reza (Doctoral theses at NTNU;2023:96, Doctoral thesis, 2023)
      This thesis explores ultra-low-power wireless communication methods for biomedical implants. Leadless heart pacemaker (PM) and wireless capsule endoscopy are the two biomedical devices that have been used for prototyping ...
    • On the Usage of Parasitic Antenna Elements in Wireless Communication Systems 

      Bains, Robert (Doktoravhandlinger ved NTNU, 1503-8181; 2008:156, Doctoral thesis, 2008)
      Multiple-Input-Multiple-Output (MIMO) is a technology that uses multiple antennas at both the transmitter and the receiver to be able to enhance the spectral efficiency. This technology gained a high popularity among ...
    • On the Use of Micro Satellites as Communication Nodes - in an Arctic Sensor Network 

      Birkeland, Roger (Doctoral theses at NTNU;2019:27, Doctoral thesis, 2019)
      Arktis og verdsrommet er to konsept som er kjelder til fascinasjon og undring for mange av oss. Begge stadane verkar fjerne og ugjestmilde, men samstundes er dei vakre og spanande. Saman utgjer dei ein del av verda som er ...
    • On wind Turbine failure detection from measurements of phase currents: a permutation entropy approach 

      Molinas Cabrera, Maria Marta; Kulia, Geir; Kumar Ram, Sumit (Research report, 2016)
      This article presents the applicability of Permutation Entropy based complexity measure of a time series for detection of fault in wind turbines. A set of electrical data from one faulty and one ...
    • On-Chip Buck-Boost Power Supply for Power Amplifiers 

      Oroug, Ole (Master thesis, 2006)
      The increasing use of low voltage portable devices and growing requirements of functionalities embedded into such devices, efficient power management techniques are needed for longer battery life. The efficiency of ...
    • On-chip mid-infrared optical sensing with GeSbSe waveguides and resonators 

      Grayson, Michael; Krueper, Greg; Xu, Bo; Zohrabi, Mo; Hjelme, Dag Roar; Gopinath, Juliet; Park, Wounjhang (Journal article; Peer reviewed, 2023)
      We fabricated single mode Ge28Sb12Se60 waveguides and resonators using e-beam lithography and achieved a propagation loss of 3.88 dB/cm at 3.66 µm. We compared BCl3 and CHF3 etch chemistries and determined CHF3 produced ...
    • On-chip refractive index sensors for lab-on-a-chip applications 

      Yadav, Mukesh (Doctoral theses at NTNU;2023:436, Doctoral thesis, 2023)
      Optical waveguide-based refractive index sensing is an emerging technology for the sensitive monitoring of molecular interactions. This technology could fulfill the requirements for “on-chip” detection in lab-on-a-chip ...
    • On-Chip Ultra-Wide Global Interconnect Buses using Wave-Pipeline SERDES 

      Pedersen, Morten (Master thesis, 2022)
      Det har lenge vært en trend med minkende størrelse på prosess teknologi. Men når teknologien blir mindre, øker kompleksiteten og størrelsen på chipene. Klokkefrekvensen har ikke økt med samme tempo. Istedenfor har fokuset ...
    • Onboard Cloud Segmentation for Remote Sensing Applications using Hyperspectral Images 

      Koc, Yunus Emre (Master thesis, 2022)
      Denne oppgaven presenterer arbeidet som er utført for onboard skysegmentering basert på Dyp Læring ved å bruke hyperspektrale fjernmåling bilder for videre bruk på HYPerspectral Smallsat for Ocean observation (HYPSO) ...
    • Onboard Hyperspectral Classification Enables Georeferencing 

      Langer, Dennis David; Garrett, Joseph Landon; Birkeland, Roger; Berg, Simen; Orlandic, Milica (Journal article; Peer reviewed, 2023)
      The Norwegian University of Science and Technology (NTNU) has been building a system composed of multiple remote sensing agents for ocean observations. NTNU launched the first HYPerspectral Smallsat for Ocean observation ...
    • Opamp for a 10/12 bits Sigma Delta ADC 

      Velezmoro, Carolina Fiorella Inche (Master thesis, 2011)
      This master thesis describes the design of a low-voltage fully differential Op-erational Amplifier (OPAMP), which is supposed to work as an integratorin a Sigma Delta (Σ∆) analog to digital converter (ADC). Since the ADCin ...
    • Open Set Speaker Identification 

      Antonsen, Jørgen Johan (Master thesis, 2017)
      Digital assistants that communicate through speech are one of the new technologies that have emerged this decade. Progress in the field of speaker recognition have opened up possibilities for having digital assistants for ...