Blar i Institutt for elektroniske systemer på dokumenttype "Doctoral thesis"
Viser treff 21-40 av 196
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Biomedical Applications of Diffuse Reflectance Spectroscopy and Hyperspectral Imaging
(Doktoravhandlinger ved NTNU, 1503-8181, Doctoral thesis, 2010)Optical measurement techniques have a large potential as diagnostic tools in medicine. This thesis covers multiple biomedical applications of optical spectroscopy and hyperspectral imaging. Main topics have been monitoring ... -
Capacitive micromachined ultrasonic transducers: Acoustic challenges and proposed solutions
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:141, Doctoral thesis, 2012)Capacitive Micromachined Ultrasonic Transducer (CMUT) have been subject to research by several research groups during the last two decades. Despite many potential advantages over traditional piezoelectric ultrasound ... -
Capacitive Sensor Interface Circuits
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:149, Doctoral thesis, 2009)This thesis focuses on simple capacitive measurement techniques suitable for integration in CMOS technologies. The main motivation being: to realize simple frontends for capacitive sensors and microsystems for integration ... -
Channel measurements and channel modeling for the open sea
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:172, Doctoral thesis, 2013)Maritime communication plays an important role in the marine activities. However, insufficient knowledge of radio channel characteristics over the sea is a limiting factor in the development of wideband wireless communication ... -
Characterization of biological tissue using statistical and physics-based hyperspectral image processing methods
(Doctoral theses at NTNU;2018:402, Doctoral thesis, 2018) -
Cluster Based MIMO Radio Channel Modeling
(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 ... -
Colorophone – Design, realization, and evaluation of a wearable spatial color sonification system for the visually impaired
(Doctoral theses at NTNU;2023:362, Doctoral thesis, 2023) -
Compact Modeling Solutions for Advanced Semiconductor Devices
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:248, Doctoral thesis, 2014)To meet the ever increasing demand for performance and speed from integrated circuits, new device architectures as well as devices based on new materials are being proposed. To enable circuit design with these novel devices, ... -
Compensating time variability of the underwater channel for effective underwater acoustic communications
(Doctoral theses at NTNU;2019:300, Doctoral thesis, 2019) -
Compressive Sensing in Signal Processing: Performance Analysis and Applications
(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. ... -
Control of surface quality and structural distortions in perovskite oxide thin films
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:210, Doctoral thesis, 2012) -
Controlling magnetic properties of La_0.7Sr_0.3MnO_3 by interface coupling and nanopatterning
(Doctoral theses at NTNU;2021:191, Doctoral thesis, 2021) -
Cross Layer Design and Optimization in Wireless Sensor Networks
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:194, Doctoral thesis, 2010)This thesis targets some of the cross layer design issues presented in wireless sensor networks (WSNs). These issues will be analyzed and discussed from different perspectives in the following chapters. WSNs consist of ... -
Delta Sigma Modulators with Beamformers for Application in Medical Ultrasound Imaging
(Doctoral theses at NTNU;2017:52, Doctoral thesis, 2017)Portable medical ultrasound solutions require a high degree of compactness and low power consumption, without sacrificing image quality. In this dissertation we investigate the feasibility of employing a continuous time ... -
Design and Implementation of Underwater Acoustic Communication System Based on Frequency-domain Processing
(Doctoral theses at NTNU;2020:45, Doctoral thesis, 2020) -
Design and Modeling of High-Power Semiconductor Devices with Emphasis on AlGaN/GaNHEMTs
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:207, Doctoral thesis, 2013)AlGaN/GaN based HEMTs are becoming one among the favorite choices for future highfrequency, high-power, high temperature electronics applications. This can be attributed to the excellent physical properties such as a wide ... -
Design Issues and Performance Analysis for Opportunitistic Scheduling Algorithms in Wireless Networks
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:27, Doctoral thesis, 2007)This doctoral thesis is a collection of six papers preceeded by an introduction. All the papers are related to design issues and performance analysis for opportunistic scheduling algorithms in cellular networks. Opportunistic ... -
Design of Detectors for Automatic Speech Recognition
(Doctoral Theses at NTNU, 1503-8181; 2012:36, Doctoral thesis, 2012)This thesis presents methods and results for optimizing subword detectors in continuous speech. Speech detectors are useful within areas like detection-based ASR, pronunciation training, phonetic analysis, word spotting, ... -
Design of Low-Power Front-End Integrated Circuits for In-Probe Ultrasound Applications
(Doctoral theses at NTNU;2017:155, Doctoral thesis, 2017)This thesis explores the design and implementation of low-power integrated circuits for in-probe ultrasound applications. In such systems, the power requirement is very tight to prevent over-heating of the tissue. In ... -
Design of Nanoscale CMOS Integrated Circuits for Ultrasound In-Probe Electronics
(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 ...