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Brackenhoff, Stefanie (author)
We propose the Stationary spectrum Plus Low-rank Iterative TransmiTtance EstimatoR (SPLITTER) for removing wideband atmospheric noise from observations of high-redshift galaxies. This algorithm has specifically been developed for the DEep Spectroscopic HIgh-redshift MApper (DESHIMA) 2.0, a spectrometer that is designed to observe the waveband...
master thesis 2021
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Guinea Perez, Javier (author)
The objective of this thesis was to develop a rodent tracker using the FlashTrack implants, and allow for tracking data to be used for behavioural research. The task was split into three main problems: detection, tracking and error detection. The detection was solved with basic image processing. The first step was background removal, using...
master thesis 2021
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Wan, Siyan (author)
Currently, most of FMCW radar systems for target detection and localization are based on the radar system with multiple receiving antennas, but little based on the SISO system. In this project, we will show a unique signal processing pipeline based on the 8 GHz SISO FMCW radar system. An advanced algorithm of multi-target detection and tracking...
master thesis 2020
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DAI, Ming (author)
LoRa (Long Range) is a low-power, long-range and low-cost wireless communication system that can facilitate a wide variety of infrastructures for the Internet of Things (IoT). Current algorithms to locate LoRa tags have a resolution of 100 m in practice, and a question is if that can be improved without changing the tags or adding too much to...
master thesis 2019
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Maswan, Jelimo (author)
Atrial fibrillation (AF) is one of the more common clinical arrhythmias with a high morbidity and mortality. Despite this, the electrophysiological and pathological mechanisms associated with AF largely remain a mystery, encouraging the use of ever more sophisticated techniques to extract vital information for diagnostic and therapeutic purposes...
master thesis 2017
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Chalegoua, I. (author)
Transform coding has been extensively used for audio and speech compression applications during the past decades. A widely used transform is the real-valued Modified Discrete Cosine Transform (MDCT), which is employed in several state-of-the-art codecs such as the MPEG-1 Layer III (aka mp3) and AAC. An extension to this transform is the...
master thesis 2016
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Shukla, S.Y. (author)
WLAN 802.11 (WiFi) and WPAN 802.15 (Bluetooth) operate in the same 2.4GHz ISM band. OFDM WLANs are designed to provide very high data rates, resilience to multipath and extended operating range. One of the main barriers to actually achieving the high data rates is the interference from the Bluetooth systems which is one of the main sources of...
master thesis 2015
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Geelhoed, J. (author)
In electronic warfare information about radio signals is gathered. Parameters as the direction-of-arrival (DOA) and the frequency can be estimated from sampled data received on antenna arrays. The objective of this thesis is to investigate the use of circular arrays for joint angle-frequency estimation (JAFE). A 1-D (azimuth and frequency) and 2...
master thesis 2014
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Barak, R.K. (author), Van Der Cammen, M. (author), Zhang, H.M. (author)
This thesis proposes an algorithm to solve the issue of indoor localization using a source, reference receiver and mobile receiver placed in a convex room. The goal is determination of the position of the mobile receiver. The proposed algorithm consists of two localization techniques known from scientific literature: Time Difference of Arrival...
bachelor thesis 2013
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Peters, R.Y. (author), Liu, X. (author)
In tegenstelling tot conventionele radar -en radiosystemen kan de toepas- sing van een Software Defined Radio (SDR) grotendeels bepaald worden in software. Een SDR bestaat uit een RF-frontend, een paar ADC/DAC’s, een FPGA en een host computer. In de hostcomputer en de FPGA kan de functie van een SDR volledig worden geherdefini ?eerd, zonder dat...
bachelor thesis 2011
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Mouri Sardarabadi, A. (author)
Many techniques for array processing assume either that the system has a calibrated array or that the noise covariance matrix is known. If the noise covariance matrix is unknown, training or other calibration techniques are used to find it. In this thesis another approach to the problem of unknown noise covariance is presented. The factor...
master thesis 2011
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Kobayashi, K. (author)
Electronics systems in deep-submicron era face many new challenges. Increased intricacy of the manufacturing process will likely to increase the manufacturing defect while testing of those effect will be very challenging. Smaller feature size will also face new reliability issues due to phenomenas such as Joule heating and electromigration....
master thesis 2010
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Volkov, M. (author)
Radio frequency interference detection and mitigation for radio astronomy are bottleneck problems. Telescopes are becoming more sensitive therefore thresholds for detecting unwanted signals are becoming lower and telescopes have to deal with a big number of interference sources. When an unwanted signal is detected for radio astronomers it is...
master thesis 2010
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Roeling, E.G.H. (author), Lodder, R.J. (author)
In deze thesis vindt u het ondezoek naar de beste implementatie van een op afstand te benaderen grafische gebruikersinterface, die hardware kan aansturen. Om de juiste keuze te kunnen maken, moet er onderzoek gedaan worden naar de verschillende mogelijke implementaties. Dit onderzoek is gedaan op basis van een literatuurstudie. Op basis van dit...
bachelor thesis 2010
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An, F. (author), Eroglu, I. (author), Slotema, M. (author)
Een onderzoek naar radartheorie om te gebruiken in een adaptive cruise control systeem.
bachelor thesis 2010
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Van der Meij, R.J. (author), Kastelein, M.R. (author)
Voor een home automation-systeem zijn vele draadloze implementaties beschikbaar. In deze thesis wordt onderzocht welke van de meestgebruikte implementaties van low-power draadloze protocollen het beste geschikt is voor de draadloze communicatie in een home automationsysteem. De implementaties die met elkaar worden vergeleken zijn Bluetooth,...
bachelor thesis 2010
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Hurkmans, T.M.F. (author)
Optical flow algorithms present a way for computers to estimate motion from the real world. Applications like cloud motion, surveillance and robot eyesight are examples of this. The focus of existing research is mainly on either fast, but poor solutions, or slow but good solutions. In this thesis an approach to improve performance through...
master thesis 2009
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Kranenburg, T. (author)
Due to the increasing number of processors which are integrated in System On Chips (SOCs) the need for robust, highly configurable processors emerged. Preliminary research showed that commercial processors are not suited for many research projects due to the fact that they are closed source and they can not be modified. Open source processors on...
master thesis 2009
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Gishkori, S.S. (author)
Efficiency of the Analog to Digital Converters (ADCs) has always been an issue of concern, especially, when it comes to sampling wide band signals which require extremely high sampling rates. As the systems with wide band signals are gaining the front position in digital communications, the need to find ways to reduce the sampling rates of ADCs...
master thesis 2009
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Schoneveld, G.J. (author)
VHDL and SystemC are both languages to describe or model circuits and systems. Reasons could exist for wanting to translate a model in VHDL to an equivalent model in SystemC. A system in SystemC can be needed for modeling a system with a software part, for a faster simulation, or because some tools only support SystemC. This thesis presents a...
master thesis 2009
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