Browsing Institutt for elektroniske systemer by Document Types "Doctoral thesis"
Now showing items 61-80 of 197
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Estimation over MIMO Fading Channels: Outage and Diversity Analysis
(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 ... -
Evaluating and Enhancing the Performance of IP-based Streaming Media Services and Applications
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:112, Doctoral thesis, 2007)This thesis deals with multimedia communication over unreliable and resource-constrained IP-based packet-switched networks. The focus is on estimating, evaluating and enhancing the quality of streaming media services, and ... -
Evaluating Performance Metrics for Deep Neural Network-based Speech Enhancement Systems
(Doctoral theses at NTNU;2023:53, Doctoral thesis, 2023)A recurring challenge for speech enhancement (SE) systems, is that removing/reducing noise and reverberance does not necessarily increase the intelligibility or the quality of the speech for human listeners. Deep neural ... -
Exploiting Arithmetic Built-In-Self-Test Techniques for Path Delay Fault Testing
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:237, Doctoral thesis, 2006)This thesis describes the implementation of a system for analyzing circuits with respect to their path-delay fault testability. The system includes a path-delay fault simulator and an ATPG for path-delay faults combined ... -
Exploration of Energy Efficient Memory Organizations Exploiting Data Variable Based System Scenarios
(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 ... -
Exploring the Antiferromagnetic Spin Configuration in Complex Oxide Nanostructures
(Doctoral theses at NTNU;2020:58, Doctoral thesis, 2020)Improving energy efficiency is an urgent priority for the device technologies of tomorrow. To this end, introduction of spintronic devices where antiferromagnetic spins play an active role is a promising avenue, offering ... -
Exploring the Role of UX Influencing Factors in Virtual Reality for Natural Hazards Prepardness: A Disign-Based Approach
(Doctoral theses at NTNU;2024:152, Doctoral thesis, 2024)Climate change is one of the major challenges of our time, and its complexity makes finding innovative solutions challenging. One of the ways that climate change poses a challenge is by reshaping the earth’s natural ecosystem ... -
Extensions to the Mode Matching Method for Horn Loudspeaker Simulation
(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 ... -
Fabrication and Characterization of Ferroelectric Nanomesas: A Scanning Probe Approach
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:4, Doctoral thesis, 2010)The present study focuses on experimental investigations of size effects in ferroelectric perovskite nanostructures. When the size of a ferroelectric material is reduced down to the nanoscale, its physical properties are ... -
Fabrication of mid-infrared laser diodes: for gas sensing applications
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:373, Doctoral thesis, 2013)Mid-infrared laser diodes have been fabricated and tested, and semiconductor materials related to mid-infrared lasers have been characterized by X-ray diffraction (XRD). The temperature dependent lattice constant of Al0.9 ... -
Feedback and Precoding Techniques for MIMO Wireless Communications
(Doctoral Theses at NTNU, 1503-8181; 2013:328, Doctoral thesis, 2013)Multiple-Input Multiple-Output (MIMO) communication has a big potential to increase the throughput and reliability of wireless communication systems. In order to exploit this potential, it is crucial to adapt transmission ... -
Ferroelectric Thin Films for Planar Photonic Device Applications:
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:60, Doctoral thesis, 2010) -
Few- and Single-Cycle Coherent Pulse Propagation in Multi-Level Media
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:154, Doctoral thesis, 2014)Recent experimental realizations of single-cycle pulses in the terahertz, infrared, and optical regions provide promising light sources for applications in telecommunication, medical imaging, spectroscopy, and coherent ... -
Fully integrated voltage-controlled LC-oscillators for direct-conversion radio-on-a-chip applications in CMOS technology
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:10, Doctoral thesis, 2005)The development of a 3G/GSM dual-system Radio-On-a-Chip for mobile handsets in CMOS technology depends on the GSM transmitter’s compliance with the receive-band noise mandated by the standard. An integrated direct conversion ... -
Geometrical lattice engineering of oxide interfaces
(Doctoral theses at NTNU;2017:45, Doctoral thesis, 2017) -
Geophysical Monitoring of Heavy Oil Reservoir – Seismic Traveltime and Electric Resistivity Tomographic Inversion
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:104, Doctoral thesis, 2013) -
Growth and Characterization of Self- Catalyzed GaAsSb Nanowires for Optoelectronic Applications
(Doctoral theses at NTNU;2017:136, Doctoral thesis, 2017) -
Growth and structural characterization of III-V nanowires grown by molecular beam epitaxy
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:190, Doctoral thesis, 2010)Heterostructured semiconductor nanowires (NWs) have attracted considerable attention in recent years because of their potential in future nano-electronic and nanophotonic device applications. NWs are usually grown by ... -
Hearing Protection Goes Digital - The Next Step in Preventing Noise-Induced Hearing Loss
(Doctoral theses at NTNU;2018:68, Doctoral thesis, 2018)Hearing loss is one of the most common occupational health issues in the world. Despite much focus on noise abatement and hearing conservation programs, still many workers suffer from noise-induced hearing loss (NIHL). One ... -
Heterodyne interferometry for dynamic and static characterization of micro and nanostructures
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:152, Doctoral thesis, 2009)