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Dissertations / Theses on the topic 'EEJ'

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Published: 6 September 2023

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1

Khadka, Sovit M. "Multi-diagnostic Investigations of the Equatorial and Low-latitude Ionospheric Electrodynamics and Their Impacts on Space-based Technologies." Thesis, Boston College, 2018. http://hdl.handle.net/2345/bc-ir:108001.

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Thesis advisor: Prof. Michael J. Naughton
Thesis advisor: Dr. Cesar E. Valladares
The equatorial and low-latitude ionosphere of the Earth exhibits unique features on its structuring, coupling, and electrodynamics that offer the possibility to forecast the dynamics and fluctuations of ionospheric plasma densities at later times. The scientific understanding and forecasting of ionospheric plasma are necessary for several practical applications, such as for mitigating the adverse effects of space weather on communication, navigation, power grids, space mission, and for various scientific experiments and applications. The daytime equatorial electrojet (EEJ), equatorial ionization anomaly (EIA), as well as nighttime equatorial plasma bubble (EPB) and plasma blobs are the most prominent low-latitude ionospheric phenomena. This dissertation focuses on the multi-diagnostic study of the mechanism, properties, abnormalities, and interrelationships of these phenomena to provide significant contributions to space weather communities from the ground- and space-based measurements. A strong longitudinal, seasonal, day-to-day variability and dependency between EEJ, ExB vertical plasma drift, and total electron content (TEC) in the EIA distribution are seen in the equatorial and low-latitude region. In general, the EEJ strength is stronger in the west coast of South America than in its east coast. The variability of the EEJ in the dayside ionosphere significantly affects the ionospheric electron density variation, dynamics of the peak height of F2-layer, and TEC distributions as the EEJ influences the vertical transport mechanism of the ionospheric plasma. The eastward electric field (EEF) and the neutral wind play a decisive role in controlling the actual configuration of the EIA. The trans-equatorial neutral wind profile calculated using data from the Second-generation, Optimized, Fabry-Perot Doppler Imager (SOFDI) located near the geomagnetic equator and a physics-based numerical model, LLIONS (Low-Latitude IONospheric Sector) give new perspectives on the effects of daytime meridional neutral winds on the consequent evolution of the asymmetry of the equatorial TEC anomalies during the afternoon onwards. The spatial configurations including the strength, shape, amplitude and latitudinal extension of the EIA crests are affected by the EEF associated with the EEJ under undisturbed conditions, whereas the meridional neutral winds play a significant role in the development of their asymmetric structure in the low-latitude ionosphere. Additionally, the SWARM satellite constellation and the ground-based LISN (Low-Latitude Ionospheric Sensor Network) data allow us to resolve the space-time ambiguity of past single-satellite studies and detect the drastic changes that EPBs and plasma blobs undergo on a short time scale. The coordinated quantitative analysis of a plasma density observation shows evidence of the association of plasma blobs with EPBs via an appropriate geomagnetic flux tube. Plasma blobs were initially associated with the EPBs and remained at the equatorial latitude right above the EPBs height, but later were pushed away from geomagnetic equator towards EIA latitudes by the EPB/ depleted flux tubes that grew in volume. Further, there exists a strong correlation between the noontime equatorial electrojet and the GPS-derived TEC distributions during the afternoon time period, caused by vertical E × B drift via the fountain effect. Nevertheless, only a minor correlation likely exists between the peak EEJ and the net postsunset ionospheric scintillation index (S4) greater than 0.2. This study not only searches for a mutual relationship between the midday, afternoon and nighttime ionospheric phenomena but also aims at providing a possible route to improve our space weather forecasting capability by predicting nighttime ionospheric irregularities based on midday measurements at the equatorial and low latitudes
Thesis (PhD) — Boston College, 2018
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Physics
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2

Navia, Ojeda Carlos Enrique. "Observações sobre característica de interações nucleares de alta energia ( Eej>10 Tev) : para eventos de grande massa invariante (M(y)>25Gev/c2) e de largo momento transversal (~O.5GeV/c)." [s.n.], 1985. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277519.

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Orientadores: Cesare M. G. Lattes, Kotaro Sawayanag
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin
Made available in DSpace on 2018-07-17T06:22:04Z (GMT). No. of bitstreams: 1 NaviaOjeda_CarlosEnrique_D.pdf: 3099643 bytes, checksum: b97fd1b6b23b1cfc4d589b4892075315 (MD5) Previous issue date: 1985
Resumo: Realizamos uma análise sistemática sobre interações atmosféricas induzidas pela radiação cósmica e detectadas pela Colaboração Brasil-Japão, coma finalidade de obter parâmetros que caracterizem eventos tipo Guaçú (massa invariante sob a forma de gamas > 25 GeV/c2, multiplicidade de gamas ~ 75 , é momento transversal médio ~ 0.5 GeV/c) . Estes eventos foram observados pela Colaboração Brasil-Japão no experimento com Câmaras de Emulsões Nucleares em Chacaltaya durante os últimos 23 ano. Dos 195 analisados na faixa de energia de 12 a 1000 TeV, só 6 eventos satisfazem os critérios estabelecidos aqui, este resultado permite obter o limite Inferior para a produção de eventos tipo Guaçú. Realizamos também uma análise individual, sobre os 6 eventos candidatos a tipo Guaçú
Abstract: A systematic analysis is made on cosmic-ray induced atmospheric interactions detected by Brazil-Japan Collaborations, with the purpose of obtaining parameters which characterize Guaçú-Type (Invariant gamma ray mass > 25 GeV/c , multiplicity Ng ~ 75 and ~ 0,5 GeV/c) events. The described events have been observed by the Brazil-Japan Collaboration on Chacaltaya Emulsion Chamber Experiment during past 23 years. They are part of 195 events with observed energies in the gamma-ray part, ranging from 12 to 1000 TeV.Six events are found to pass criteria used here; this result may be used to obtain a lower limit for Guaçú-Type event productions. An individual analysis is made on six candidates of Guaçú-Type event
Doutorado
Física
Doutor em Ciências
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3

Nijdam, Han. "Lichaam, eer en recht in middeleeuws Friesland : een studie naar de Oudfriese boeteregisters /." Hilversum : Verloren, 2008. http://catalogue.bnf.fr/ark:/12148/cb413375197.

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Asara, Viviana, Emanuele Profumi, and Giorgos Kallis. "The Indignados as a socio-environmental movement. Framing the crisis and democracy." Wiley, 2016. http://dx.doi.org/10.1002/eet.1721.

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This study analyzes the framing processes of the Indignados movement in Barcelona, as an exemplar of the latest wave of protests, and argues that it expresses a new ecological-economic way out of the crisis. It finds that the movement was not just a reaction to the economic crisis and austerity policies, but that it put forward a metapolitical critique of the social imaginary and (neo)liberal representative democracy. The diagnostic frames of the movement denunciate the subjugation of politics and justice to economics, and reject the logic of economism. The prognostic frames of the movement advance a vision of socio-ecological sustainability and of "real democracy", each articulated differently by a "pragmatist" and an "autonomist" faction within the movement. It argues that frames are overarching outer boundaries that accommodate different ideologies. Ideologies can nevertheless also be put into question by antagonizing frames. Furthermore, through the lens of the Indignados critique, the distinction between materialist and post-materialist values that characterizes the New Social Movement literature is criticised, as "real democracy" is connected to social and environmental justice as well as to a critique of economism and the "imperial mode of living".
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Hausknost, Daniel, Willi Haas, Sabine Hielscher, Martina Schäfer, Michaela Leitner, Iris Kunze, and Sylvia Mandl. "Investigating patterns of local climate governance: How low-carbon municipalities and intentional communities intervene in social practices." Wiley, 2018. http://dx.doi.org/10.1002/eet.1804.

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The local level has gained prominence in climate policy and governance in recent years as it is increasingly perceived as a privileged arena for policy experimentation and social and institutional innovation. However, the success of local climate governance in industrialized countries has been limited. One reason may be that local communities focus too much on strategies of technology-oriented ecological modernization and individual behavior change and too little on strategies that target unsustainable social practices and their embeddedness in complex socioeconomic patterns. In this paper we assess and compare the strategies of "low-carbon municipalities" (top-down initiatives) and those of "intentional communities" (bottom-up initiatives). We were interested to determine to what extent and in which ways each community type intervenes in social practices to curb carbon emissions and to explore the scope for further and deeper interventions on the local level. Using an analytical framework based on social practice theory we identify characteristic patterns of intervention for each community type. We find that low-carbon municipalities face difficulties in transforming carbon-intensive social practices. While offering some additional low-carbon choices, their ability to reduce carbon-intensive practices is very limited. Their focus on efficiency and individual choice shows little transformative potential. Intentional communities, by contrast, have more institutional and organizational options to intervene in the web of social practices. Finally, we explore to what extent low-carbon municipalities can learn from intentional communities and propose strategies of hybridization for policy innovation to combine the strengths of both models.
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Oktober, Pedro Aden. "Dissipelskap: 'n uitdaging vir die Kerk van die een-en-twintigste eeu na aanleiding van die Markus-evangelie." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/2081.

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Thesis (MPhil (Old and New Testament. Bible Interpretation))--University of Stellenbosch, 2006.
This study deals with discipleship as a challenge to the church in the twenty first century, with the Gospel of Mark as a starting-point. Discipleship is after all the heart of the Gospel of Jesus Christ. It embraces the whole of the church’s existence; identity and integrity. Evans (2001:30) exclaims: “To be a true disciple, one must accept the fate of the Master; and the Master’s fate is inextricably bound up with his identity, purpose, and mission. True Discipleship cannot emerge in isolation from true Christology.”
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Stel, Gerwin Cheragie Megol Miltenburg-Miedema Freda. "Een PET/CT, wat is stap 2? een onderzoek naar de factoren die een rol spelen bij een succesvolle implementatie van een PET/CT /." Groningen : Groningen : HG, Medisch Beeldvormende en Radiotherapeutische Technieken ; Hanzehogeschool Groningen [Host], 2007. http://scripties.hanze.nl/2007/SAGZ/MBRT/20.pdf.

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Gruppelaar, Jacob. "Een wereld van eigen makelij : een filosofisch commentaar /." [S.l.] : Boom, 1995. http://catalogue.bnf.fr/ark:/12148/cb40125619b.

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Ramsay, Graham. "Intensive care een korte geschiedenis maar een grote toekomst /." Maastricht : Maastricht : Maastricht University ; University Library, Maastricht University [Host], 2000. http://arno.unimaas.nl/show.cgi?fid=13045.

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Zhang, Shuoyue [Verfasser], and Jürgen [Akademischer Betreuer] Hennig. "Artifacts denoising of EEG acquired during simultaneous EEG-FMRI." Freiburg : Universität, 2021. http://d-nb.info/1228786968/34.

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JESSY, PAROKARAN. "Analysis of EEG Signals for EEG-based Brain-Computer Interface." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-6622.

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Advancements in biomedical signal processing techniques have led Electroencephalography (EEG) signals to be more widely used in the diagnosis of brain diseases and in the field of Brain Computer Interface(BCI). BCI is an interfacing system that uses electrical signals from the brain (eg: EEG) as an input to control other devices such as a computer, wheel chair, robotic arm etc. The aim of this work is to analyse the EEG data to see how humans can control machines using their thoughts.In this thesis the reactivity of EEG rhythms in association with normal, voluntary and imagery of hand movements were studied using EEGLAB, a signal processing toolbox  under MATLAB. In awake people,  primary sensory or motor cortical areas often display 8-12 Hz EEG activity called ’Mu’ rhythm ,when they are not engaged in processing sensory input or produce motor output.  Movement or preparation of movement is typically accompanied by a decrease in this mu rhythm called ’event-related desynchronization’(ERD). Four males, three right handed and one left handed participated in this study. There were two sessions for each subject and three possible types : Imagery, Voluntary and Normal. The EEG data  was sampled at 256Hz , band pass filtered between 0.1 Hz and 50 Hz and then epochs of four events : Left  button press , Right button press, Right arrow ,Left arrow were extracted followed by baseline removal.After this preprocessing of EEG data, the epoch files were studied by analysing Event Related Potential plots, Independent Component Analysis, Power spectral Analysis and Time-Frequency plots. These analysis have shown that an imagination or a movement of right hand cause a decrease in activity in the hand area of sensory motor cortex in the left side of the brain which shows the desynchronization of Mu rhythm and an imagination or a movement of left hand cause a decrease in activity in the hand area of sensory motor cortex in the right side of the brain. This implies that EEG phenomena may be utilised in a Brain Computer Interface operated simply by motor imagery and the present result can be used for classifier development and BCI use in the field of motor restoration

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Babaeeghazvini, Parinaz. "EEG enhancement for EEG source localization in brain-machine speller." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-6016.

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A Brain-Computer Interface (BCI) is a system to communicate with external world through the brain activity. The brain activity is measured by Electro-Encephalography (EEG) and then processed by a BCI system. EEG source reconstruction could be a way to improve the accuracy of EEG classification in EEGbased brain–computer interface (BCI). In this thesis BCI methods were applied on derived sources which by their EEG enhancement it became possible to obtain a more accurate EEG detection and brought a new application to BCI technology that are recognition of writing letters imagery from brain waves. The BCI system enables people to write and type letters by their brain activity (EEG). To this end, first part of the thesis is dedicated to EEG source reconstruction techniques to select the most optimal EEG channels for task classification purposes. Due to this reason the changes in EEG signal power from rest state to motor imagery task was used, to find the location of an active single equivalent dipole. Implementing an inverse problem solution on the power changes by Multiple Sparse Priors (MSP) method generated a scalp map where its fitting showed the localization of EEG electrodes. Having the optimized locations the secondary objective was to choose the most optimal EEG features and rhythm for an efficient classification. This became possible by feature ranking, 1- Nearest Neighbor leave-one-out. The feature vectors were computed by applying the combined methods of multitaper method, Pwelch. The features were classified by several methods of Normal densities based quadratic classifier (qdc), k-nearest neighbor classifier (knn), Mixture of Gaussians classification and Train neural network classifier using back-propagation. Results show that the selected features and classifiers are able to recognize the imagination of writing alphabet with the high accuracy.
BCI controls external devices and interacts with the environment by brain signals. Measured EEG signals over the motor cortex exhibit changes in power related to the movements or imaginations which are executed in motor tasks [1]. These changes declare increase or decrease of power in the alpha (8Hz-13Hz), and beta (13Hz-28Hz) frequency bands from resting state to motor imagery task that known as event related synchronization (in case of power increasing) and desynchronization (in case of power decreasing) [2]. The necessity to communicate with the external world for locked-in state (LIS) patients (a paralyzed patient who only communicates with eyes), made doctors and engineers motivated to develop a BCI technology for typing letters through brain commands. Many researches have been done around this area to ascertain the dream of typing for handicapped. In the brain some regions of the cerebral cortex (motor cortex) are involved in the planning, control, and execution of voluntary movements. Electroencephalography (EEG) signals are electrical potential generated by the nerve cells in the cerebral cortex. In order to execute motoric tasks, the EEG signals are appeared over the motor cortex [1]. The measured brain response to a stimulus is called eventrelated potential (ERP). P300-event related potential (ERP) is an evoked neuron response to an external auditory or visual stimulus that is detectable in scalp-recorded EEG (The P300 is evoked potential which occurs across the parieto-central on the skull 300 ms after applying the stimulus). Farwell and Donchin have proven in a P300-based BCI speller [3] that P300 response is a reliable signal for controlling a BCI system. They described the P300 speller, in which alphanumeric characters are represented in a matrix grid of six-by-six matrix. The user should focus on one of the 36 character cells while each row and column of the grid is intensified randomly and sequentially. The P300, observed in EEG signals, is created by the intersection of the target row and column which causes detection of the target stimuli with a probability of 1/6 (in case of high accuracy of flashing operation). Also when the target stimulus is rarely presented in the random sequence of stimuli causes a neural reaction to unpredictable but recognizable event and a P300 response is evoked [3]. Generally when the subject is involved with the task to recognize the targets, the P300 wave happens and the signal amplitude varies with the unlikelihood of the targets. Its dormancy changes with the difficulty of recognizing the target stimulus from the standard stimuli [3].The attended character of the matrix can be extracted by proper feature extraction and classification of P300. A plenty of procedures for feature extraction and classification have been applied to improve the performance of originally reported speller [3], such as stepwise linear discriminate analysis (SWLDA) [4, 5], wavelets [1], support vector machines [6, 7, 8] and matched filtering [9]. Till now, BCI-related P300 research has mostly considered on signals from standard P300 scalp locations. While in [10, 11, 12, 13, 14, 15, 16] it has been proven that the use of additional locations, especially posterior sites, may improve classification accuracy, but it has not been addressed to particular offline and online studies. Recently, auditory version improvement of the visual P300 speller allows locked in patients who have problem in the visual system to use the P300 speller system by relating two numbers to each letter which indicate the row and column of letter position [17]. Now a new technology is needed which can substitute a keyboard with no alphabet menu. The technology will be handy for blind people and useful for healthy persons who need to work hands free with their computer or mobile. The aim of this thesis is to improve EEG detection through source localization for a new BCI application to type with EEG signals without using alphabet menu.
+98-9359576229
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Scova, Righini Antonio Albertus. "Een leven in twee vaderlanden een biografie van Beb Vuijk /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2004. http://dare.uva.nl/document/87956.

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Hof, M. W. van. "Het zenuwstelsel: een netwerk van neuronen, een doolhof van gedachtengangen." [S.l.] : Rotterdam : [de auteur] ; Erasmus University [Host], 1992. http://hdl.handle.net/1765/7460.

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Bazo, Rodríquez Alfredo, and Rosado Vitaliano Delgado. "Eje multimodal Amazonas." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2013. http://hdl.handle.net/10757/273520.

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Stoute, Elizabeth Marguerite. "Bestrijdingsmiddelenrecht een rechtsvergelijking /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2004. http://dare.uva.nl/document/72673.

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Caat, Michael ten. "Multichannel EEG visualization." [S.l. : Groningen : s.n. ; University Library of Groningen] [Host], 2008. http://irs.ub.rug.nl/ppn/306087987.

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Congedo, Marco. "EEG Source Analysis." Habilitation à diriger des recherches, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00880483.

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Electroencephalographic data recorded on the human scalp can be modeled as a linear mixture of underlying dipolar source generators. The characterization of such generators is the aim of several families of signal processing methods. In this HDR we consider in several details three of such families, namely 1) EEG distributed inverse solutions, 2) diagonalization methods, including spatial filtering and blind source separation and 3) Riemannian geometry. We highlight our contributions in each of this family, we describe algorithms reporting all necessary information to make purposeful use of these methods and we give numerous examples with real data pertaining to our published studies. Traditionally only the single-subject scenario is considered; here we consider in addition the extension of some methods to the simultaneous multi-subject recording scenario. This HDR can be seen as an handbook for EEG source analysis. It will be particularly useful to students and other colleagues approaching the field.
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Pavuková, Zuzana. "Esej o žánrech." Master's thesis, Akademie múzických umění v Praze. Hudební fakulta AMU. Knihovna, 2007. http://www.nusl.cz/ntk/nusl-78859.

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The studies of genres, in which the main role is kept by an actor, that means consequenly the genres of the theatre and film and their subject fields. The studies of special charakteritics and special means of different genres. Demonstrate the particular genres on particular examples.
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Lovelace, Joseph A. "Ambulatory EEG Platform." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1479816584544204.

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Holdova, Kamila. "Klasifikace spánkových EEG." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-219944.

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This thesis deals with wavelet analysis of sleep electroencephalogram to sleep stages scoring. The theoretical part of the thesis deals with the theory of EEG signal creation and analysis. The polysomnography (PSG) is also described. This is the method for simultaneous measuring the different electrical signals; main of them are electroencephalogram (EEG), electromyogram (EMG) and electrooculogram (EOG). This method is used to diagnose sleep failure. Therefore sleep, sleep stages and sleep disorders are also described in the present study. In practical part, some results of application of discrete wavelet transform (DWT) for decomposing the sleep EEGs using mother wavelet Daubechies 2 „db2“ are shown and the level of the seven. The classification of the resulting data was used feedforward neural network with backpropagation errors.
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Sadovský, Petr. "Analýza spánkového EEG." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2007. http://www.nusl.cz/ntk/nusl-233411.

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This thesis deals with analysis and processing of the Sleep Electroencephalogram (EEG) signals. The scope of this thesis can be split into several areas. The first area is application of the Independent Component Analysis (ICA) method for EEG signal analysis. A model of EEG signal formation is proposed and conditions under which this model is valid are examined. It is shown that ICA can be used to remove non-deterministic artifacts contained in the EEG signals. The second area of interest is analysis of stationarity of the Sleep EEG signal. Methods to identify stationary signal segments and to analyze statistical properties of these stationary segments are presented. The third area of interest focuses on spectral analysis of the Sleep EEG signals. Analyses are performed that shows the processes that form particular parts of EEG signals spectrum. Also, random signals that are an integral part of the EEG signals analysis are performed. The last area of interest focuses on elimination of the transition processes that are caused by the filtering of the short EEG signal segments.
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Baat, Cornelis de. "Een kunstgebit bij ouderen, een kwestie van aanpassen? een onderzoek naar de mondgezondheid en de tandheelkundige behandelingsmogelijkheden van edentate ouderen in een aantal verpleeghuizen in Nederland /." [S.l. : s.n.], 1990. http://books.google.com/books?id=bghqAAAAMAAJ.

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Versteegh, Cornelia Richarda Maria. "De goede doelstichting : naar een systeem van overheidstoezicht? ; een rechtsvergelijkend onderzoek /." Utrecht : Lemma, 2003. http://www.gbv.de/dms/spk/sbb/recht/toc/378260766.pdf.

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Chowdhury, Muhammad Enamul Hoque. "Simultaneous EEG-fMRI : novel methods for EEG artefacts reduction at source." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/14297/.

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This thesis describes the development and application of novel techniques to reduce the EEG artefacts at source during the simultaneous acquisition of EEG and fMRI data. The work described in this thesis was carried out by the author in the Sir Peter Mansfield Magnetic Resonance Centre, School of Physics & Astronomy at the University of Nottingham, between October 2010 and January 2013. Large artefacts compromise EEG data quality during simultaneous fMRI. These artefact voltages pose heavy demands on the bandwidth and dynamic range of EEG amplifiers and mean that even small fractional variations in the artefact voltages give rise to significant residual artefacts after correction, which can easily swamp signals from brain activity. Therefore any intrinsic reduction in the magnitude of the artefacts would be highly advantageous, allowing data with a higher bandwidth to be acquired without amplifier saturation, and facilitating improved detection of brain activity. This thesis firstly explores a new method for reducing the gradient artefact (GA), which is induced in EEG data recorded during concurrent MRI, by investigating the effects of the cable configuration on the characteristics of the GA. This work showed that the GA amplitude and its sensitivity to movement of the cabling is reduced by minimising wire loop areas in the cabling between the EEG cap and amplifier. Another novel approach for reducing the magnitude and variability of the artefacts is the use of an EEG cap that incorporates electrodes embedded in a reference layer, which has a similar conductivity to tissue and is electrically isolated from the scalp. With this arrangement, the artefact voltages produced on the reference layer leads are theoretically similar to those induced in the scalp leads, but neuronal signals are not detected in the reference layer. Therefore taking the difference of the voltages in the reference and scalp channels should reduce the artefacts, without affecting sensitivity to neuronal signals. The theoretical efficacy of artefact correction that can be achieved by using this new reference layer artefact subtraction (RLAS) method was investigated. This was done through separate electromagnetic simulations of the artefacts induced in a hemispherical reference layer and a spherical volume conductor in a time-varying magnetic field and the results showed that similar artefacts are induced on the surface of both conductors. Simulations are also performed to find the optimal design for an RLAS system, by varying the geometry of the system. A simple experimental realisation of the RLAS system was implemented to investigate the degree of artefact attenuation that can be achieved via RLAS. Through a series of experiments on phantoms and human subjects, it is shown here that RLAS significantly reduces the GA, pulse (PA) and motion (MA) artefacts, while allowing accurate recording of neuronal signals. The results indicate that RLAS generally outperforms the standard artefact correction method, average artefact subtraction (AAS), in the removal of the GA and PA when motion is present, while the combination of RLAS and AAS always produces higher artefact attenuation than AAS alone. Additionally, this work demonstrates that RLAS greatly attenuates the unpredictable and highly variable MA that are very hard to remove using post-processing methods.
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Mechau, Dorothee. "EEG im Sport : kortikale Aktivität im topographischen EEG durch sportliche Beanspruchung /." Schorndorf : Hofmann, 2001. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009706162&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Ištok, Martin. "Analýza simultánně měřených EEG/fMRI dat s využitím zpracování EEG signálu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221335.

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The main objective of this diploma thesis is to describe simultaneous electroencephalography-correlated functional magnetic resonance imaging analysis using EEG data processing. It includes basic characteristics of EEG and fMRI recording and analysis and their combination as simultaneous EEG/fMRI analysis and deals with obstructions during its processing. The thesis includes a design of an experiment used for recording and analysis of simultaneous EEG/fMRI data using EEG source reconstruction for regressor construction. Thesis incorporates a software solution used for extraction of signal describing a source activity interpolated by EEG source reconstruction. The signal is then processed and used to construct a basic regressor. The thesis also deals with the software solution being used for a study focused on intracranial epileptic discharges localization using a simultaneous EEG/fMRI analysis in which it reveals source activity during ongoing epileptic spike and summarizes the results.
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Romburgh, Huibert Diederik van. "Op weg naar een nieuw aanbestedingsrechtelijk kader in Nederland : een proeve van een wet voor het verstrekken van overheidsopdrachten /." Deventer : Kluwer, 2005. http://www.gbv.de/dms/spk/sbb/recht/toc/496040138.pdf.

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Span, Georges Pierre Joseph. "LITES: een intelligent tutorsysteem voor juridisch onderwijs een oriënterend onderzoek naar de uitgangspunten, opbouw en haalbaarheid van een didactisch expertsysteem /." Maastricht : Maastricht : Universitaire Pers Maastricht ; University Library, Maastricht University [Host], 1992. http://arno.unimaas.nl/show.cgi?fid=6501.

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30

Mantingh, Erwin. "Een monnik met een rol : Willem van Affligem, het Kopenhaagse Leven van Lutgart en de fictie van een meerdaagse voorlezing /." Hilversum : Verloren, 2000. http://catalogue.bnf.fr/ark:/12148/cb389306051.

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31

Zwanenburg, Widingsjö Monique. "Pippi Langkous : Een vergelijking van eerdere met latere drukken & een vertaalanalyse." Thesis, Stockholms universitet, Avdelningen för nederländska, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-72293.

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Inmiddels is Pippi een internationaal onderzoeksobject geworden. De Duitse literatuuronderzoekster Astrid Surmatz heeft een grote bijdrage geleverd met haar proefschrift Pippi Långstrump als Paradigma (2005b). Wat volgens mij nog ontbrak is een grondige analyse van de Nederlandse vertaling, en wat er met de boeken gebeurd is na hun oorspronkelijke vertaling. Het respect voor kinderboeken in vertaling laat nog al eens te wensen over en uitgeverijen nemen soms grote vrijheden. Geldt dat ook voor de Nederlandse uitgaven van Pippi Langkous?Deze scriptie geeft een aanzet tot het antwoord met behulp van een analyse van de vertaalnormen uit de Descriptive Translation Studies van Toury, aangevuld met de vertaalmethoden van Newmark. De conclusie is dat de eerste Nederlandse druk een adequate (Toury) of getrouwe (Newmark) vertaling is, en dat de wijzigingen in de volgende drukken er toe geleid hebben dat de tekst en de illustraties steeds meer zijn gaan afwijken van het Zweedse origineel, en dat er nu van een aanvaardbare (Toury), of idiomatische of zelfs vrije vertaling (Newmark) gesproken moet worden. Dat Nederlanders toch weten hoe Pippi door Astrid Lindgren is neergezet, is onder andere te danken aan de tv-serie, de films en de merchandise met de tekeningen van illustratrice Ingrid Vang Nyman.
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Gerards, Janneke Hilligje. "Rechterlijke toetsing aan het gelijkheidsbeginsel : een rechtsvergelijkend onderzoek naar een algemeen toetsingsmodel /." Den Haag : Maastricht : Sdu Uitgevers ; University Library, Maastricht University [Host], 2002. http://arno.unimaas.nl/show.cgi?fid=7521.

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Beerten, Maike Susan. "Afstemming van besluiten : een onderzoek naar een algemene afstemmingsregeling voor samenhangende besluiten /." [Den Haag] : Boom Juridische Uitg, 2004. http://www.gbv.de/dms/sbb-berlin/472599453.pdf.

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34

Mayhew, Stephan D. "Single-trial EEG analysis and its application to simultaneous EEG and fMRI." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.497049.

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35

Buitenweg, Rob. "Recht op een menswaardig bestaan : een humanistieke reflectie op sociaal-economische mensenrechten /." Utrecht : Uitgeverij de Fraaff, 2001. http://catalogue.bnf.fr/ark:/12148/cb40163686t.

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Proefschrift--Utrecht--Universiteit voor humanistiek, 2001.
Mention parallèle de titre ou de responsabilité : The @right to a dignified live : a humanistic reflection on socio-economic human rights. Textes en néerlandais, résumé en anglais. Bibliogr. p. 373-379.
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36

Frohne, Ursula. "EEG-Grundaktivität und Intelligenz." Diss., lmu, 2002. http://nbn-resolving.de/urn:nbn:de:bvb:19-7435.

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Donk, Dirk Pieter van. "Een model voor personeelsbesturing." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1995. http://irs.ub.rug.nl/ppn/141956488.

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38

Mekkes, Johan. "Ondernemerschap een bedrijfskundige benadering /." Enschede : University of Twente [Host], 1998. http://doc.utwente.nl/58678.

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39

Dommering-, van Rongen Louise. "Productaansprakelijkheid : een rechtsvergelijkend overzicht /." Deventer : Kluwer, 2000. http://www.gbv.de/dms/spk/sbb/recht/toc/327258640.pdf.

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Hasman, A. "Naar een zekere toekomst?" [Maastricht : Maastricht : Rijksuniversiteit Limburg] ; University Library, Maastricht University [Host], 1986. http://arno.unimaas.nl/show.cgi?fid=12846.

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Blanco, C. E. "Neonatologie een volwassen specialisme /." Maastricht : Maastricht : Maastricht University ; University Library, Maastricht University [Host], 1989. http://arno.unimaas.nl/show.cgi?fid=12902.

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Kanerva, Peter, and Hampus Karlberg. "Application Control Using EEG." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200570.

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43

Sato, Diogo Mululo. "EEG Analysis by Compression." Master's thesis, Faculdade de Medicina da Universidade do Porto, 2011. http://hdl.handle.net/10216/63767.

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44

Zapletal, Jakub. "Aplikace pro EEG biofeedback." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-449178.

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Tato práce je shrnutím existujících přístupů pro zpracování EEG signálu za účelem EEG biofeedbacku a dále popisuje návrh a implementaci vlastní aplikace pro EEG biofeedback se zaměřením na trénink pozornosti. Dále obsahuje případovou studii provedenou na neurotypickém studentovi a studentovi s ADHD, která zkoumá vliv implementované aplikace na měřený EEG signál subjektů.
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Sato, Diogo Mululo. "EEG Analysis by Compression." Dissertação, Faculdade de Medicina da Universidade do Porto, 2011. http://hdl.handle.net/10216/63767.

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46

Ježek, Martin. "Analýza spánkového signálu EEG." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217961.

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Cílem této práce byl vývoj programu pro automatickou detekci arousalu v signálu spánkového EEG s použitím metod časově-frekvenční analýzy. Předmětem studie bylo 13 celonočních polysomnografických nahrávek (čtyři svody EEG, EMG, EKG a EOG), tj. celkově více než 100 hodin záznamu. Jednalo se o část dat z dřívějších výzkumných prací expertní lékařky v problematice spánku Dr. Emilie Sforzy, Ženeva, Švýcarsko, která rovněž poskytla základní hodnocení těchto dat. V záznamech bylo celkem označeno 1551 arousal událostí. Pro usnadnění výběru konkrétní metody časově-frekvenční analýzy byla následně vytvořena sada nástrojů pro vizualizaci jednotlivých signálů a jejich různých časově-frekvenčních vyjádření. S ohledem na závěry vizuální analýzy, charakter signálu EEG a efektivitu výpočetních metod byla pro analýzu vybrána waveletová transformace s mateřskou vlnkou Daubechies řádu 6. Jednotlivé svody EEG byly dekomponovány do šesti frekvenčních pásem. Z takto odvozených signálů a signálu EMG byly následně stanoveny ukazatele možné přítomnosti události arousalu. Tyto ukazatele byly dále váhovány lineárním klasifikátorem, jehož hodnoty vah byly optimalizovány pomocí genetického algoritmu. Na základě hodnoty lineárního klasifikátoru bylo rozhodnuto o přítomnosti události arousalu v daném svodě EEG – arousal byl detekován, jestliže hodnota klasifikátoru překročila danou mez na dobu více než 3 a méně než 30 vteřin. V celém záznamu pak byl arousal označen, byl-li detekován alespoň v jednom ze svodů EEG. Následně byly odvozeny míry senzitivity a selektivity detekce, jež byly rovněž základem pro stanovení fitness funkce genetického algoritmu. Pro učení genetického algoritmu byly vybrány první čtyři záznamy. Na základě takto optimalizovaných vah vznikl program pro automatickou detekci, který na celém souboru 13 záznamů dosáhl ve srovnání s expertním hodnocením míry senzitivity 76,09%, selektivity 53,26% a specificity 97,66%.
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Ronzhina, Marina. "Klasifikace mikrospánku analýzou EEG." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217965.

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This master thesis deals with detection of microsleep on the basis of the changes in power spectrum of EEG signal. The results of time-frequency analysis are input values for the classifikation. Proposed classification method uses fuzzy logic. Four classifiers were designed, which are based on a fuzzy inference systems, that are differ in rule base. The results of fuzzy clustering are used for the design of rule premises membership functions. The two classifiers microsleep detection use only alpha band of the EEG signal’s spectrogram then allows the detection of the relaxation state of a person. Unlike to first and second classifiers, the third classifier is supplemented with rules for the delta band, which makes it possible to distinguish the 3 states: vigilance, relaxation and somnolence. The fourth classifier inference system includes the rules for the whole spectrum band. The method was implemented by computer. The program with a graphical user interface was created.
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Blatný, Michal. "Spektrální analýza EEG signálu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219237.

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Master’s thesis deal about electroencefalography, measurement EEG signals and analysis measuermed signals. Project contains two basis practical parts. Firts part contain two PC’s programs that’s are used to fundamental analysis to frequence-domain and visual display of brain mapping created with Matlab. Second chapter of practical parts includes two PC’s programs created with LabView. First of them is the EEG biofeedback making use for advanced analyses and second program is used to detection segment of stacionarity.
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Hodulíková, Tereza. "Analýza EEG během anestezie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-220369.

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This master's thesis deals with the method of functional examination of brain electric activity. In the first part is description of central nervous system, method of electroencephalography and possible connections. Furthermor the project involves characteristic of EEG signal and its artifacts. It also includes signal processing and list of symptoms, which will be used for an analysis of the EEG during anesthesia. The second part of thesis involves development of application, which allow viewing and proccesing of EEG signal. In conclusion of thesis is carried out unequal segmentation and statistical processing.
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Broek, Jan Frans Joseph van den. "Groningen, een stad apart over het verleden van een eigenzinnige stad (1000-1600) /." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/301739374.

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