• ART AND TECHNOLOGY PERSPECTIVES ON BRAIN ATLASES 

      VIlà, Jordi Puig (Doctoral thesis at NTNU;2015:251, Doctoral thesis, 2015)
      The research presented in this thesis explores an approach to neuroimaging which concerns the use of Brain Atlases and Neuronavigation techniques. The main focus has been to performinvestigations regarding themethods, ...
    • Cluster Based MIMO Radio Channel Modeling 

      Li, Xin (Doctoral theses at NTNU;2020:379, Doctoral thesis, 2020)
      Modeling of wireless channels is perhaps the most complex task in implementing a wireless communication system because wireless channels change over time, vary with frequency and space. That is, the transmit signal with ...
    • Compressive Sensing in Signal Processing: Performance Analysis and Applications 

      Tesfamicael, Solomon Abedom (Doctoral thesis at NTNU;2016:182, Doctoral thesis, 2016)
      This thesis deals with an emerging area of signal processing, called Compressive Sensing (CS), that allows the reconstruction of sparse or compressible signals from fewer measurements than are used in traditional schemes. ...
    • Design of Nanoscale CMOS Integrated Circuits for Ultrasound In-Probe Electronics 

      Wang, Peng (Doctoral thesis at NTNU;2015:203, Doctoral thesis, 2015)
      This thesis presents five kinds of architectures of the low-noise single-ended to differential variable gain amplifier (VGA) for 2-6 MHz second harmonic cardiac ultrasound imaging systems. The presented VGAs, as the first ...
    • Efficient Low-Complexity MPEG-2 to H.264/AVC Video Transcoding System Architectures and Optimization Techniques Susceptible to Dynamic Partial Reconfiguration 

      Orlandic´, Milica (Doctoral thesis at NTNU;2015:107, Doctoral thesis, 2015)
      The variety of available coding standards introduces the need for efficient transcoding techniques. Transcoding between MPEG-2 and H.264/AVC is of particular interest due to the wide use of MPEG-2 in TV broadcasting and ...
    • Estimation over MIMO Fading Channels: Outage and Diversity Analysis 

      Parseh, Reza (Doctoral thesis at NTNU;2016:124, Doctoral thesis, 2016)
      In this thesis, estimation of signals over fading channels for analog uncoded transmission is considered. In communication settings with tight delay requirements, e.g. in real-time control over wireless fading channels and ...
    • Exploration of Energy Efficient Memory Organizations Exploiting Data Variable Based System Scenarios 

      Filippopoulos, Iason (Doctoral thesis at NTNU;2016:6, Doctoral thesis, 2016)
      Modern embedded systems are capable of performing a wide range of tasks and their popularity is increasing in many different application domains. The recent progress in semiconductor processing technology greatly ...
    • Extensions to the Mode Matching Method for Horn Loudspeaker Simulation 

      Kolbrek, Bjørn (Doctoral thesis at NTNU;2016:280, Doctoral thesis, 2016)
      For loudspeaker horns, the throat acoustic impedance and the far field directional characteristics are important measures of performance. Both quantities depend greatly on the shape of the horn, and the acoustical ...
    • High Capacity and High Coverage mm-Wave Multi-Antenna Systems 

      Cella, Tommaso (Doctoral thesis at NTNU;2015:225, Doctoral thesis, 2015)
      The future generations of communication systems will require gigabit per second links. In order to provide the expected capacity, several possibilities have been investigated. One of them is the use of millimeter waves. ...
    • Load-Modulated Single-RF MIMO Transmitters 

      Sedaghat, Mohammad Ali (Doctoral thesis at NTNU;2016:103, Doctoral thesis, 2016)
      Multiple-Input Multiple-Output (MIMO) systems are utilized to enhance throughput in modern wireless networks. In a MIMO system, both transmitter and receiver sides are equipped with multi-antenna arrays. It has been ...
    • Low-Power Circuit Designs for In-Probe Ultrasound Imaging Applications 

      Sharma, Surya (Doctoral thesis at NTNU;2015:213, Doctoral thesis, 2015)
      The main motivation behind the work in this thesis is to develop analog modules suitable for in-probe ultrasound imaging applications. The area and power are the main concerns for these applications given the limited area ...
    • Miniatyr S-bånd telemetrisender 

      Braastad, Pål Anders; Halvorsen, Jørn; Hjermstad, Jan; Melgaard, Arnfinn (Bachelor thesis, 2005)
      Forsvarets forskningsinstitutt har gitt oss i oppgave å videreutvikle en miniatyr S-bånd telemetrisender. Vi måtte derfor ta opp trådene fra arbeidet som ble gjort våren 2003, og konstruere en fysisk liten sender i 2.2 – ...
    • Miniatyr s-bånd telemetrisender 

      Etnestad, Audun; Seljeflot, Odd André (Bachelor thesis, 2002)
      Oppgaven går i hovedsak ut på å vurdere ulike løsninger for konstruksjon av en s-bånd telemetrisender, komme med en konklusjon om den beste løsningen og videre realisere denne. Utviklingsverktøyet Orcad skal i tillegg ...
    • Nearest Neighbor Frame Classification for Articulatory Speech Recognition 

      Næss, Arild Brandrud (Doctoral thesis at NTNU;2015:24, Doctoral thesis, 2015)
      The paradigm of phone-based hidden Markov models has dominated automatic speech recognition since the early 1980s, and continuous improvements of this approach combined with the exponential increase in computational power ...
    • Optical frequency conversion of high energy pulses with high beam quality and application in standoff detection of biological aerosols 

      Farsund, Øystein (Doctoral theses at NTNU;2016:338, Doctoral thesis, 2016)
      Three main topics are addressed in this dissertation. The first is concerned with the techniques that can be used to improve beam quality from optical parametric oscillators (OPOs) generating high energy pulses in the ...
    • QUALITY EVALUATION OF LONG DURATION AUDIOVISUAL CONTENT 

      Borowiak, Adam D. (Doctoral thesis at NTNU;2016:69, Doctoral thesis, 2016)
      Subjective quality assessment of multi-modal services depends on a number of external factors that affect the final judgment, e.g. user expectations, user fatigue, room environment or methodology used in the evaluation ...
    • S-bånd : telemetrimottaker 

      Johansen, Martin Etnestad; Würgler, Eivind Andreas (Bachelor thesis, 2006)
      Målet var å konstruere en mottaker for telemetridata. Den skal virke i Sbåndet, 2.2-2.3 GHz, med kanalavstand 500kHz. Mottatt signal er modulert etter Sundes FSK. Målet for mottakeren er å kunne motta data i hastigheter ...
    • S-bånd telemetrimottaker 

      Olufsen, Eskil Viksand; Roberg, Tom Erik Wittingsrud; Taranrød, Andreas Bjerknes; Øen, Vegard (Bachelor thesis, 2004)
      FFI driver med blant annet målinger gjort med forskningsraketter. For dette trenger man sender og mottaker som fungerer i frekvensbåndet for space research og earth exploration-satellite som er fra 2,2GHz til 2,3GHz. FFI ...
    • S-bånd: telemetrimottaker 

      Furesund, Stian; Røislien, Nina T. (Bachelor thesis, 2007)
      Målet var å konstruere en mottaker for telemetridata. Den skal virke i S-båndet, 2.2-2.3 GHz, med kanalavstand 500kHz. Mottatt signal er modulert etter Sundes FSK. Målet for mottakeren er å kunne motta data i hastigheter ...
    • Trådløs styring av videovelger: et hjelpemiddel for fjernsynsproduksjon i virtuelle miljøer 

      Stuan, Øivind; Johansen, Anders (Bachelor thesis, 2007)
      Ved HiL eksperimenteres det med tv-produksjon og bruk av blant annet mediatorer for å lage virtuelle miljøer. I den sammenheng er det ønskelig for aktørene å kunne orientere seg i omgivelsene, noe som gjøres ved hjelp av ...