Dissertations / Theses on the topic 'Enhanced timer'
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Grisham, Joe P. 1950. "Phase enhanced time-of-flight magnetic resonance angiography." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/46454.
Full textAhmed, Zaynab Anwer. "Enhanced computation time for fast block matching algorithm." Thesis, Liverpool John Moores University, 2013. http://researchonline.ljmu.ac.uk/4422/.
Full textCraddock, I. J. "Enhanced numerical techniques for time domain electromagnetic analysis." Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/9ac15a09-f4cd-4971-beb4-80f038c0f561.
Full textAlmualimi, Majdi A. "Ultrasound transit time spectroscopy for enhanced medical imaging." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/119165/1/Majdi_Almualimi_Thesis.pdf.
Full textQuiñones, Valles Diego A. "Detection of space-time perturbations with quantum-enhanced metrology." Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/19249/.
Full textSayah, Mukthar. "Nonlinear time series analysis applied to resonance enhanced drilling." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=227011.
Full textMyriokefalitakis, Panteleimon. "Real-time conversion of monodepth visual odometry enhanced network." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288488.
Full textDetta examensarbete tillhör området för självkontrollerad monokulär djupbedömning och utgör en omvandling av det arbete som gjorts under [1]. Syftet är att överväga den beräkningsmässiga dyra modellen i [1] som basmodellen för detta arbete och försöka skapa en lätt modell ur den. Det nuvarande arbetet förutsätter ett nätverk som är lämpligt att distribueras på inbäddade enheter som NVIDIA Jetson TX2 där behoven för kort driftstid, liten minnesfotavtryck och kraftförbrukning är viktigast. Med andra ord, om dessa krav saknas, oavsett om precisionen är extra hög, kan modellen inte fungera på inbäddade processorer. Således kan mobilplattformar med små storlekar som drönare, leveransrobotar, etc. inte utnyttja fördelarna med djupbildning. Det föreslagna nätverket har _29,7 mindre parametrar än baselinemodellen [1] och använder endast 10,6MB för ett framåtpass i motsats till 227MB som används av nätverket i [1]. Följaktligen kan den föreslagna modellen fungera på inbäddade enheters GPU. Slutligen kan den dra slutsatsen med lovande hastighet på standard CPUs och samtidigt ger jämförbar eller högre noggrannhet än andra arbete.
Holmqvist, Johan, and Tord Karlsson. "Enhanced Automotive Real-Time Testing Through Increased Development Process Quality." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9945.
Full textThe purpose of this master thesis is to improve the quality of software testing in a large company developing real-time embedded systems. Software testing is a very important part of software development. By performing comprehensive software testing the quality and validity of a software system can be assured. One of the main issues with software testing is to be sure that the tests are correct. Knowing what to test, but also how to perform testing, is of utmost importance.
In this thesis, we explore different ways to increase the quality of real-time testing by introducing new techniques in several stages of the software development model. Four complementary methods are suggested. The proposed methods are validated by implementing them in an existing and completed project on a subset of the software development process. The original output from the completed project is compared with the new output.
The presented results from the validation are positive in the sense that it is shown that the test stage was more qualitative, mostly due to a higher level of quality on input from earlier stages.
Garcia, Julian. "Digitally Enhanced Continuous-Time Sigma-Delta Analogue-to-Digital Converters." Doctoral thesis, KTH, Integrerade komponenter och kretsar, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-95447.
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Shibley, Jordan Almon. "Enhanced Sonar Array Target Localization Using Time-Frequency Interference Phenomena." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1488.
Full textHalabian, Faezeh. "An Enhanced Learning for Restricted Hopfield Networks." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42271.
Full textGregorek, Daniel [Verfasser]. "Hardware Enhanced Run-Time Management for Many-Core Processors / Daniel Gregorek." Düren : Shaker, 2019. http://d-nb.info/1188552392/34.
Full textChang, Emily L. (Emily Lora) 1978. "Hanging messages : using context-enhanced messages for just-in-time communication." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86647.
Full textRAMACHANDRAN, GOWRI SANKAR. "Integration of enhanced slot-shifting in uc/os-II." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-12981.
Full textSpencer, Thomas Louis. "Enhanced Air Transportation Modeling Techniques for Capacity Problems." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/82353.
Full textPh. D.
Axell, Erik. "Coexistence of Real Time and Best Effort Services in Enhanced Uplink WCDMA." Thesis, Linköping University, Linköping University, Department of Electrical Engineering, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2725.
Full textThe increasing use of data services and the importance of IP basedservices in third generation mobile communication system (3G), requires the transmission from the cell phone to the base station, i.e. uplink, to manage high speed data rates. In the air interface for 3G in Europe, WCDMA, a concept for enhancing the transmission from the cell phone to the base station, called Enhanced Uplink, is being standardized. The overall goal is to provide high speed data access for the uplink. One of the requirements is that the enhanced uplink channels must be able to coexist with already existing WCDMA releases. For example, the enhanced uplink must not impact seriously on real time services, such as speech, carried on current WCDMA channels.
The purpose of this work is to study how the quality, coverage and capacity of real time services carried on previous WCDMA releases is affected when introducing the Enhanced Uplink in a WCDMA network. The main focus of the study is thus to demonstrate the trade-off between voice and best effort performances.
Theoretical assessments and simulations show that the Enhanced Uplink has many advantages over previous WCDMA releases. For example the Enhanced Uplink yields a larger system throughput for all voice loads. The noise rise, i.e. the ratio of total received power to the background noise power is being considered as the resource. It is shown that user traffic carried on the Enhanced Uplink is able to operate under a higher noise rise level as well as to get a higher throughput per noise rise. The resource is hence more efficiently utilized.
Arthur, Jacob D. "Enhanced Prediction of Network Attacks Using Incomplete Data." NSUWorks, 2017. http://nsuworks.nova.edu/gscis_etd/1020.
Full textPersson, Rickard. "Tilting trains : Enhanced benefits and strategies for less motion sickness." Doctoral thesis, KTH, Spårfordon, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33077.
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Mackenzie, Todd. "The use of markers to enhance time-to-event analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ37001.pdf.
Full textMacKenzie, Todd. "The use of markers to enhance time-to-event analysis /." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34660.
Full textUlmer, Todd G. "Resonant-cavity-enhanced surface-emitted second-harmonic generation for optical time-division demultiplexing." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/13323.
Full textMellecker, Robin Rochelle. "The conversion of sedentary time to active time in children: the role of activity enhanced video game play." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B44525114.
Full textModé, Erik. "Responsive Web Design and Optimizing Loading Times on Mobile Devices for Enhanced Web Presence." Thesis, Uppsala universitet, Informationssystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227592.
Full textOuyang, Yicun. "Self-organising mixture neural networks for enhanced modelling and forecasting of FX time series." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/selforganising-mixture-neural-networks-for-enhanced-modelling-and-forecasting-of-fx-time-series(b262bf01-3e85-475d-99c6-c343a1987e3b).html.
Full textChak, Daniel 1980. "Enhanced modeling : real-time simulation and modeling of graph based problems on interactive workbenches." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/26915.
Full textIncludes bibliographical references (p. 125-127).
This thesis presents a methodology and framework for designing systems that apply real-time simulation of computational models throughout the modeling and parameter modification stages of problem solving for graph based problems. An interactive problem solving technique is presented where the lines between problem modeling and simulation are blurred, enhancing the outcome of traditional problem solving. To demonstrate the versatility of the framework and methodology, two applications not normally thought of as graph problems - a circuit design application and an airport passenger flow application - are developed and tested. Three user studies test various parts of the framework, as well as the overall concept of real-time simulation on an interactive workbench. The first study provides quantitative support for the efficacy of the interaction technique chosen for manipulating graph structures. The second provides observational results of using the circuit design application to teach physics. The third addresses whether blurred lines of modeling and analysis enhance problem solving.
by Daniel Chak.
S.M.
Tian, Runfeng. "An Enhanced Approach using Time Series Segmentation for Fault Detection of Semiconductor Manufacturing Process." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562923441016763.
Full textZhang, Lei. "Enhanced fast handover triggering mechanism for fast proxy mobile IPv6." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/74864/1/Lei_Zhang_Thesis.pdf.
Full textDzida, Tomasz. "Predicting context specific enhancer-promoter interactions from ChIP-Seq time course data." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/predicting-context-specific-enhancerpromoter-interactions-from-chipseq-time-course-data(281a8cee-87f9-49e7-8106-a9d76603a806).html.
Full textKumar, Ajitabh. "Time-lapse seismic modeling and production data assimilation for enhanced oil recovery and CO2 sequestration." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3219.
Full textManmek, Thip Electrical Engineering & Telecommunications Faculty of Engineering UNSW. "Real-time power system disturbance identification and its mitigation using an enhanced least squares algorithm." Awarded by:University of New South Wales. Electrical Engineering and Telecommunications, 2006. http://handle.unsw.edu.au/1959.4/26233.
Full textShao, Yan. "VISION BASED REAL-TIME MONITORING AND CONTROL OF METAL TRANSFER IN LASER ENHANCED GAS METAL." UKnowledge, 2013. http://uknowledge.uky.edu/ece_etds/20.
Full textCrescitelli, David M., and Patrick B. Kistner. "Enhanced detection of orthogonal radar waveforms using time-frequency and bi-frequency signal processing techniques." Thesis, Monterey, California. Naval Postgraduate School, 2008. http://hdl.handle.net/10945/3931.
Full textThis thesis investigates the periodic autocorrelation function (PACF) and periodic ambiguity function (PAF) for orthogonal continuous waveform (CW) modulations used in netted low probability of intercept (LPI) radar. Three orthogonal polyphase sequences and one frequency coding sequence are examined and their PACF and PAF characteristics are quantified. The Wigner-Ville distribution (WVD) and quadrature mirror filter bank (QMFB) timefrequency signal processing techniques and the cyclostationary bi-frequency technique (often used in non-cooperative intercept receivers) are used to detect the orthogonal CW signals and extract their parameters. The results shows that a combination of the techniques used were able to extract the basic signal parameters of bandwidth and code period from the polyphase waveforms and also the frequency hop slots and code length from the frequency coding sequence. The concept of using a swarm of unmanned aerial vehicles (UAV) is examined from the viewpoint of a coordinated group of netted intercept receivers in search of an LPI radar network.
Wang, Xiaojing. "Multi-resolution time-domain modelling technique and its applications in electromagnetic band gap enhanced antennas." Thesis, Queen Mary, University of London, 2010. http://qmro.qmul.ac.uk/xmlui/handle/123456789/380.
Full textKistner, Patrick B. Crescitelli David M. "Enhanced detection of orthogonal radar waveforms using time-frequency and bi-frequency signal processing techniques." Monterey, Calif. : Naval Postgraduate School, 2008. http://edocs.nps.edu/npspubs/scholarly/theses/2008/Sept/08Sep%5FKistner.pdf.
Full textThesis Advisor(s): Pace, Phillip E. "September 2008." Description based on title screen as viewed on November 5, 2008. Includes bibliographical references (p. 115-116). Also available in print.
Riemenschneider, Bruno [Verfasser], and Jürgen [Akademischer Betreuer] Hennig. "Highly accelerated fMRI using non-cartesian trajectories: enhanced data acquisition and enabling real-time reconstruction." Freiburg : Universität, 2019. http://d-nb.info/120482617X/34.
Full textMei, Jiali. "Time series recovery and prediction with regression-enhanced nonnegative matrix factorization applied to electricity consumption." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS578/document.
Full textWe are interested in the recovery and prediction of multiple time series from partially observed and/or aggregate data.Motivated by applications in electricity network management, we investigate tools from multiple fields that are able to deal with such data issues.After examining kriging from spatio-temporal statistics and a hybrid method based on the clustering of individuals, we propose a general framework based on nonnegative matrix factorization.This frameworks takes advantage of the intrisic correlation between the multivariate time series to greatly reduce the dimension of the parameter space.Once the estimation problem is formalized in the nonnegative matrix factorization framework, two extensions are proposed to improve the standard approach.The first extension takes into account the individual temporal autocorrelation of each of the time series.This increases the precision of the time series recovery.The second extension adds a regression layer into nonnegative matrix factorization.This allows exogenous variables that are known to be linked with electricity consumption to be used in estimation, hence makes the factors obtained by the method to be more interpretable, and also increases the recovery precision.Moreover, this method makes the method applicable to prediction.We produce a theoretical analysis on the framework which concerns the identifiability of the model and the convergence of the algorithms that are proposed.The performance of proposed methods to recover and forecast time series is tested on several multivariate electricity consumption datasets at different aggregation level
Chavannes, Nicolas Pierre. "Local mesh refinement algorithms for enhanced modeling capabilities in the FDTD method /." Konstanz : Hartung-Gorre, 2002. http://www.loc.gov/catdir/toc/fy0801/2006483066.html.
Full textPaxton, Steven G. B. "Enhanced cyberspace defense with real-time distributed systems using covert channel publish-subscribe broker pattern communications." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://handle.dtic.mil/100.2/ADA483906.
Full textThesis Advisor(s): Michael, James B. "June 2008." Description based on title screen as viewed on August 26, 2008. Includes bibliographical references (p. 91-98). Also available in print.
Linnemann, Daniel [Verfasser], and Markus K. [Akademischer Betreuer] Oberthaler. "Quantum-Enhanced Sensing Based on Time Reversal of Nonlinear Dynamics / Daniel Linnemann ; Betreuer: Markus K. Oberthaler." Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://d-nb.info/1177690489/34.
Full textCrain, Jennifer. "OSCILLATORY FLOW AS A MEANS OF ENHANCED SPECIES SEPARATION: A THREE DIMENSIONAL TIME-ACCURATE CFD ANALYSIS." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4142.
Full textM.S.M.E.
Department of Mechanical, Materials and Aerospace Engineering;
Engineering and Computer Science
Mechanical Engineering
Gorunmez, Zohre. "Finite-Difference Time-Domain (FDTD) Modeling of Nanoscale Plasmonic Substrates for Surface-Enhanced Raman Spectroscopy (SERS)." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563296001850111.
Full textKnoedler, Alexander A. (Alexander Andrew). "Reciprocity-enhanced time-division multiplexed optical switching with spatial diversity for free-space optical communication links." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122706.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 105-108).
This thesis investigates a performance analysis and experimental measurements of a free-space optical communications system that exploits optical reciprocity to switch between multiple (N) spatially-diverse apertures to increase data transmission through a scintillating channel. Electromagnetic signals, specifically optical, propagating along either direction of the same path experience the same changes in signal strength (reciprocity). A duplex link on a fading channel can use knowledge of the channel condition to decide to switch between multiple spatially diverse apertures, functionally improving the quality of the link. This concept will be referred to as "time division multiplexed (TDM) reciprocity." Higher throughput, higher received power, and lower latency can be achieved by exploiting reciprocity to choose a higher quality channel. The experimental work in this thesis includes systems measurements and assessment of components and sub-systems that enable TDM reciprocity.
This thesis outlines system requirements and trades for the N-aperture switching system. Important engineering decisions are discussed: sizing N, clock recovery, real-time atmosphere assessment, and direct versus coherent detection. The efficacy of increasing data rate with TDM reciprocity is verified by conducting an experimental BER (bit error rate) measurement campaign on a physical DPSK (differential phase shift keying) modem. The BER experiment uses scintillation data to simulate the atmosphere. The thesis concludes with results of testing of the optical switch and and a description of the driving logic for the optical switch. This switch architecture was designed with the capability to be integrated with a variable-rate, burst-mode, DPSK modem that can achieve data rates from 72 Mbps to 2.880 Gbps.
The switch is fast (<200 ns) to reduce impact on higher data rates produced by the modem, and needs to handle high power to reduce the need for multiple fiber amplifiers in the transmitter. An initial synchronization test of the switch with signal generators indicates switching without impacting error rate is possible within the DPSK modulation dead time. Aggregate gain includes a higher average received power, better receiver performance, and fixed switch insertion loss. For a link with a error-free-communication BER threshold of 1% and a scintillation index of 0.28, total gain is estimated to be 1.7 dB for N 4 and 2.7 dB for N = 10 apertures. For a link with a error-free-communication BER threshold of 1% and a scintillation index of 1.0, total gain is estimated to be 5.1 dB for N = 4 and 6.5 dB for N = 10 apertures.
Future work on the reciprocity concept could incorporate a fast switch into a dedicated fiber or free space optical experiment, rather than as an addition to an engineering modem. Future experiments should also investigate the potential of other mechanisms (e.g. high speed buffering or variable channel rates) to use knowledge of a fading channel.
United States. Air ForceContract No. FA8702- 15-D-0001
by Alexander A. Knoedler.
S.M.
S.M. Massachusetts Institute of Technology, Department of Aeronautics and Astronautics
Mozaffari, Maaref Mohammad Hamed. "A Real-Time and Automatic Ultrasound-Enhanced Multimodal Second Language Training System: A Deep Learning Approach." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/40477.
Full textThadesar, Paragkumar A. "Interposer platforms featuring polymer-enhanced through silicon vias for microelectronic systems." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53572.
Full textYenamandra, Guruvenkata Vivek Sriram Yenamandra. "Leveraging Infrastructure to Enhance Wireless Networks." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu149416669456999.
Full textGaskill, David M. "Real-Time Auxiliary Display Devices Enhance the Performance of Thermal Array Chart Recorders." International Foundation for Telemetering, 1991. http://hdl.handle.net/10150/612938.
Full textChart recorders are needed both for producing a permanent record for post-mission analysis and for providing real-time information during a test. Immediate feedback is important when test conditions may require mid-course warnings or corrections. In the traditional galvanometer based chart recorder, the operator can look directly at the pens moving on the paper and quickly judge speed and amplitude. When using a thermal array recorder, there is a small delay between the time of printing and the time when the trace is visible. This is due to the construction of the thermal array itself. Individual printing elements are deposited on a ceramic substrate which eliminates all motion from the printing process and physically blocks the operator’s view of the printhead so that for a short time there are no visual clues as to the exact waveform position. At higher chart speed this gap only represents milliseconds of elapsed time, well below human reaction time, and therefore of no real importance. At trending speeds, however, the delay could be half a second or even more and could be a problem in some situations. The first solution offered by manufacturers of thermal array recorders was a row of LED’s that stretched across the recorder directly over the printheads and reflected printing activity in real-time and indicated the actual position of the individual waveform traces. This was found to be a satisfactory solution by most telemetrists who wanted to change to the new technology in order to take advantage of the thermal array recorder’s higher frequency response and flexible formats. While the LED array satisfies basic real-time response requirements, there are many other applications for auxiliary displays which include variable chart labeling and graphic display of waveforms.
SWAMINATHAN, MOHAN. "CONTRIBUTIONS TO ENHANCE PRACTICAL IMPLEMENTATION OF LEAN MANUFACTURING IN INDUSTRIAL ENVIRONMENTS." UKnowledge, 2004. http://uknowledge.uky.edu/gradschool_theses/368.
Full textSherman, Stephanie M., Timothy P. Buckley, Elsa Baena, and Lee Ryan. "Caffeine Enhances Memory Performance in Young Adults during Their Non-optimal Time of Day." FRONTIERS MEDIA SA, 2016. http://hdl.handle.net/10150/622066.
Full textEmanuele, Vincent A. II. "Advancements in high throughput protein profiling using surface enhanced laser desorption/ionization time of flight mass spectrometry." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37287.
Full textHara, Tenshi. "Analyses on tech-enhanced and anonymous Peer Discussion as well as anonymous Control Facilities for tech-enhanced Learning." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-205517.
Full textÜber die vergangene Dekade ist eine zunehmende Zahl Studienanfänger beobachtbar, sowohl in der absoluten Anzahl, als auch im Bevölkerungsanteil. Demgegenüber steht aber eine überproportional hohe Steigerung der Abbruchquote. Während gleichzeitig die Anwesenheit in universitären Lehrveranstaltungen sinkt, zeigen Statistiken, dass nur etwa ein Drittel der Berufseinsteiger die Grundlagen ihrer Qualifikation im Studium sieht. Daraus könnte man ableiten, dass Studierende den Wert und die Bedeutung universitärer Ausbildung unterschätzen und stattdessen Wissen in anderen Quellen suchen, beispielsweise unentgeltlichen Online-Angeboten. Das auf diese Art angeeignete Wissen stellt aber eine formell nicht nachweise Qualifikation dar. Ein Weg aus diesem Dilemma muss die Steigerung der Attraktivität der universitären Lehrveranstaltungen sein. Ein vielversprechender Ansatz ist die Unterstützung der Studierenden im selbst-regulierten Lernen, wodurch sie die Wichtigkeit und den Wert eigener Entscheidung(sfindungsprozesse) auf Basis realistischer Selbsteinschätzung und Selbstevaluation erlernen. Gleichzeitig sollte Frontalunterricht durch interaktive Lehrformen ersetzt werden, idealerweise durch Aktivierung auf meta-kognitiver Ebene. Dies ist vielversprechend insbesondere, weil viele Studierende ihre eigenen mobilen Endgeräte in Lehrveranstaltungen bringen. Diese Geräte können als Second Screen für die neuen Lehrkonzepte verwendet werden. Auf diese Art kann dann eine verbesserte Lernerfahrung vermittelt werden. Die Grundidee ist simpel, nämlich in der Psychologie bewährte Didaktik-Konzepte durch die Mittel der Informatik zu unterstützen. Ein Beispiel dafür sind Audience Response Systeme, die hinlänglich im Rahmen von Vorlesungen untersucht worden sind. Andere Lehrformen wurden dabei jedoch unzureichend berücksichtigt, beispielsweise Tutorien. Ähnliche Überlegungen gelten natürlich auch für bewährte didaktische Konzepte wie Peer Instruction oder Betrachtungen in Form von Visible Learning. Deshalb präsentiert diese Dissertation einen experimentellen Ansatz, informationstechnische Lösungen für vor-Ort-Übungen anzubieten, nämlich Werkzeuge für Audience Response Systeme, Evaluationen, Lernbedarfsermittlung, Peer Discussion, sowie virtuelle interaktive Whiteboards. Die genannten Werkzeuge wurden unter Beachtung von Anonymitäts- und Beiläufigkeitsaspekten bereitgestellt. Sie erlauben einen Einblick in die Motivation der Studierenden Tutorien zu besuchen und die Werkzeuge zu nutzen, sowie ihr Nutzungsverhalten selbst. Die experimentellen Ergebnisse werden in ein erweiterbares Systemkonzept kombiniert, das drei Werkzeugklassen unterstützt: anonyme Peer Discussion, anonyme Kontrollwerkzeuge und Lernbedarfsermittlung. Für die ersten beiden Klassen liegen vielversprechende Ergebnisse vor, beispielsweise die notwendige Reduktion des Audience Response Systems auf eine Art Notbremse, die Vielseitigkeit von (Peer-)Discussion-Systemen, oder aber auch der Bedarf für eine retroaktive Deanonymisierung von initial anonymen Beiträgen. Der allgemein positive Einfluss der Werkzeugnutzung auf die Motivation an Tutorien teilzunehmen sowie den wahrgenommenen Wert der Tutorien werden abschließend diskutiert und durch verbesserte Abschlussklausurergebnisse untermauert