Institutt for elektroniske systemer
Nye registreringer
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Horizontal refraction of sound waves resulting in elliptical polarization of horizontal particle displacement and deflection of horizontal energy flux
(Journal article, 2018)For the application of vector hydrophone in bearing estimation, effects of horizontal refraction on vector-field characteristics in the problem of three-dimensional (3D) underwater sound propagation are studied. Through ... -
Magneto-dynamic properties of complex oxide—La0.7Sr0.3MnO3/SrTiO3— heterostructure interface
(Journal article; Peer reviewed, 2019)We have studied the interface magnetodynamic properties of La0.7Sr0.3MnO3/SrTiO3 (111) heterostructures by Ferromagnetic resonance spectroscopy (FMR). In addition to the bulk FMR mode, the measurements indicate a mode ... -
MOOC dropout prediction using machine learning techniques: Review and research challenges
(Chapter, 2018)MOOC represents an ultimate way to deliver educational content in higher education settings by providing high-quality educational material to the students throughout the world. Considering the differences between traditional ... -
Acoustic Feature Comparison for Different Speaking Rates
(Chapter, 2018)This paper investigates the effect of speaking rate variation on the task of frame classification. This task is indicative of the performance on phoneme and word recognition and is a first step towards designing voice-controlled ... -
Experimental phantom-based evaluation of Physical Layer Security for Future Leadless Cardiac Pacemaker
(Chapter, 2018)Next generation of cardiac pacemakers are expected to be completely wireless bringing along new security threats. Thus, it is critical to secure the pacemaker transmissions between legitimate nodes from a third party or ... -
Synaptic Communication Engineering for Future Cognitive Brain-machine Interfaces
(Journal article; Peer reviewed, 2019)Disease-affected nervous systems exhibit anatomical or physiological impairments that degrade processing, transfer, storage, and retrieval of neural information leading to physical or intellectual disabilities. Brain ... -
A random forest-based method for selection of regions of interest in hyperspectral images of ex vivo human skin
(Journal article; Peer reviewed, 2019)Hyperspectral imaging is a useful tool for characterization of human tissue. However, the vast amount of data created makes it challenging and tedious to manually select spatial regions of interest for further processing. ... -
Application of smoothing splines for spectroscopic analysis in hyperspectral images
(Journal article; Peer reviewed, 2019)The spectral and spatial resolution of hyperspectral imaging is useful for investigation of tissue autofluorescence. The low-light, noisy conditions in fluorescence imaging usually necessitates noise removal for extraction ... -
Effects of water column variations on sound propagation and underwater acoustic communications
(Journal article; Peer reviewed, 2019)Underwater sound propagation is very sensitive to geometric and environmental variations. The geometric variations are the motion of the source and/or receiver, while the environmental variations are due to surface motion ... -
In-body and Off-body Channel Modeling for Future Leadless Cardiac Pacemakers based on Phantom and Animal Experiments
(Journal article; Peer reviewed, 2018)In this letter, the in-body and off-body channel models at the frequency of 2.4 GHz are studied for development of multinode leadless capsule pacemaker technology based on experiments in homogeneous liquid phantom model ... -
Combined temperature and RI sensor for exploring the phase transitions of ethanol solutions
(Chapter, 2018)A fiber optic interferometer based on core diameter mismatch is used in reflection mode to study the behavior of ethanol solutions with regards to concentration dependent thermal properties and phase transitions. A method ... -
A Review of the Role of Critical Parameters in the Design and Operation of Biogas Production Plants
(Journal article; Peer reviewed, 2019)Many operating parameters, individually or together, may influence the performance of anaerobic digestion towards biogas or digestate yield and quality maximization. The most preferred method of optimizing an anaerobic ... -
Combined 3D model acquisition and autofocus tracking system for hyperspectral line-scanning devices
(Journal article; Peer reviewed, 2019)Obtaining a sharp and focused image is essential to fully utilize the advantages of hyperspectral imaging. For line scanning hyperspectral devices, focusing is a challenge in applications where the height and/or position ... -
A loadless 6T SRAM cell for sub- & near- threshold operation implementedin 28 nm FD-SOI CMOS technology
(Journal article; Peer reviewed, 2018)Most ultra low power SRAM cells operating in the sub and near threshold region deploy 8 or more transistors per storage cell to ensure stability. In this paper we propose and design a low voltage, differential write, single ... -
Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer
(Journal article; Peer reviewed, 2018)We report on the self-assembled growth of high-density and vertically-oriented n-doped GaN nanocolumns on graphene by radio-frequency plasma-assisted molecular beam epitaxy. Graphene was transferred to silica glass, which ... -
Development of a Dynamic Positioning System for the ReVolt Model Ship
(Journal article; Peer reviewed, 2018)A Dynamic Positioning (DP) control system is developed, implemented and tested for a scale model of DNV GL’s concept ship ReVolt. This model-scale ship is used as a test platform for sensors and control systems used in ... -
A Parallel FPGA Implementation of the CCSDS-123 Compression Algorithm
(Journal article; Peer reviewed, 2019)Satellite onboard processing for hyperspectral imaging applications is characterized by large data sets, limited processing resources and limited bandwidth of communication links. The CCSDS-123 algorithm is a specialized ... -
Freely-Drifting Small-Satellite Swarms for Sensor Networks in the Arctic
(Chapter, 2018)Satellite communications have been widely used to provide connectivity around the world. However, regions such as the Arctic still have limited coverage, despite the need to monitor this region. Currently, several sensors ... -
On Path Length Estimation for Wireless Capsule Endoscopy
(Chapter, 2018)Wireless capsule endoscopy (WCE) is a non-invasive technology used for inspection of the gastrointestinal tract. Localization of the capsule is a vital part of the system enabling physicians to identify the position of ... -
Performance and reliability of PZT-based piezoelectric micromirrors operated in realistic environments
(Journal article; Peer reviewed, 2018)The number of application areas for piezoelectric micro electromechanical systems based on PZT have increased rapidly over the years. Thus, to continue the development towards commercial deployment, characterizing lifetime ...
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