Institutt for elektroniske systemer
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Co‐Designed Exposure Protocol in the Study of Idiopathic Environmental Intolerance Attributed to Electromagnetic Fields
(Journal article; Peer reviewed, 2020)The hypothesis of an electromagnetic origin of idiopathic environmental intolerance (IEI) attributed to electromagnetic fields (EMF) has been widely investigated by provocation studies, which consist of deliberately exposing ... -
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 ... -
A reconfigurable multi-mode implementation of hyperspectral target detection algorithms
(Peer reviewed; Journal article, 2020)Hyperspectral images obtained by imaging spectrometer contain a large data amount that requires techniques such as target detection for information extraction. The proposed multi-mode FPGA implementation combines matrix ... -
Improving Automatic Polyp Detection Using CNN by Exploiting Temporal Dependency in Colonoscopy Video
(Peer reviewed; Journal article, 2019)Automatic polyp detection has been shown to be difficult due to various polyp-like structures in the colon and high interclass variations in polyp size, color, shape, and texture. An efficient method should not only have ... -
Beyond the 2D limit: étendue-squeezing line-focus solar concentrators
(Peer reviewed; Journal article, 2020)Line-focus solar concentrators are commonly designed by extruding a two-dimensional concentrator in the third dimension. For concentration in air, these concentrators are, by the nature of their design, limited by the ... -
Yield improvements in anaerobic digestion of lignocellulosic feedstocks
(Peer reviewed; Journal article, 2020)The new EU bioenergy sustainability criteria demonstrate that bioenergy sustainability can be a challenge (Schlegel and Kaphengst, 2007). In 1990s, the energy crops were the main source for biogas production in Europa; ... -
Design and Implementation of Underwater Acoustic Communication System Based on Frequency-domain Processing
(Doctoral theses at NTNU;2020:45, Doctoral thesis, 2020) -
Graphene H-Waveguide for Terahertz Lasing Applications: Electromagnetic Quasi-Linear Theory
(Peer reviewed; Journal article, 2020)A novel graphene H-waveguide is proposed for active terahertz components. A graphene film illuminated by strong pumping light shorts the parallel conductor plates. The terahertz modes propagating along this film are amplified ... -
Transceiver Design for GFDM with Hexagonal Time-Frequency Allocation Using the Polyphase Decomposition
(Peer reviewed; Journal article, 2020) -
Fractional-order correntropy adaptive filters for distributed processing of alpha-stable signals
(Peer reviewed; Journal article, 2020)This work revisits the problem of distributed adaptive filtering in multi-agent sensor networks. In contrast to classical approaches, the formulation relaxes the Gaussian assumption on the signal and noise to the generalized ... -
Comparing sound emergence and sound pressure level as predictors of short-term annoyance from wind turbine noise
(Journal article, 2020)While most of the countries over the world rely on sound-pressure-level-based limit values to regulate wind energy development, sound emergence as defined in ISO 1996-1 is used in a few national legislations but also in ... -
Subsea Oil Spill Risk Management Based on Sensor Networks
(Peer reviewed; Journal article, 2020)The use of Wireless Sensor Networks (WSNs) in support of Dynamic Risk Assessment regarding oil spills still lacks a proper integration. WSNs enable prompt responses to such emergencies through an appropriate inspection, ... -
Optimal Scheduling Policy for Spatio-temporally Dependent Observations using Age-of-Information
(Chapter, 2020)This paper proposes an optimal scheduling policy for a remote estimation problem, where sensor observations of two spatio-temporally correlated processes are broadcasted to two remote estimators. At each time instant only ... -
Comparing the broadband acoustic frequency response of single, clustered and arrays of marine air guns
(Peer reviewed; Journal article, 2020)Field data acquired from a seismic vessel by a seabed hydrophone is used to analyze the broadband response (10 Hz to 62.5 kHz) for various source configurations: single air guns, clustered air guns, and a full array ... -
Signal enhancement in microstructured silicon attenuated total reflection elements with quantum cascade laser-based spectroscopy
(Peer reviewed; Journal article, 2020)Sensors in mid-infrared spectroscopy based on attenuated total reflection (ATR) sensing with internal reflection elements (IREs) facilitate easier measurements of aqueous solutions or other opaque analytes. Micromachined ... -
A Low-power and Low-noise Multi-purpose Chopper Amplifier with High CMRR and PSRR
(Chapter, 2020)In this article, by choosing and optimizing suitable structure in each stage, we have designed a multi-purpose low noise chopper amplifier. The proposed neural chopper amplifier with high CMRR and PSRR is suitable for EEG, ... -
Performance Assessment of Transient Signal Detection Methods and Superiority of Energy Criterion (EC) Method
(Peer reviewed; Journal article, 2020)Radio frequency fingerprinting (RFF) based on RF transients is one of the most effective techniques for improving wireless security. For an efficient RFF development, RF transients need to be accurately detected. However, ... -
High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays
(Peer reviewed; Journal article, 2020)Beam-steering lens arrays enable solar tracking using millimeter-scale relative translation between a set of lens arrays. This may represent a promising alternative to the mechanical bulk of conventional solar trackers, ... -
Variational Mode Decomposition-Based Threat Classification for Fiber Optic Distributed Acoustic Sensing
(Peer reviewed; Journal article, 2020)In this study, a novel method is proposed to detect and classify the threats for fiber optic distributed acoustic sensing (DAS) systems. In the study, phase-sensitive optical time-domain reflectometry (phase-OTDR) is ... -
Using Fiber-Optic Sensors to Give Insight into Liquid-Solid Phase Transitions in Pure Fluids and Mixtures
(Peer reviewed; Journal article, 2020)Fiber optic sensors offer a new and unique way to detect and analyze phase transitions, due to their small thermal mass and inert material. This paper presents and demonstrates a dual-sensor system to detect and analyze ...
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