Tesis sobre el tema "Ids and devices"
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Li, Fudong. "Behaviour profiling for mobile devices". Thesis, University of Plymouth, 2012. http://hdl.handle.net/10026.1/1025.
Texto completoSILVA, Aline Lopes da. "MODELO DE IDS PARA USUÁRIOS DE DISPOSITIVOS MÓVEIS". Universidade Federal do Maranhão, 2008. http://tedebc.ufma.br:8080/jspui/handle/tede/335.
Texto completoMobile devices are increasing common reality in wireless networks and have integrated the wireless environment, helping to ease and to make available information. Meanwhile, the wireless environment is subject to vulnerabilities because of the way of spreading information that is given through the air, and is subject to interception or even information theft. Mobile Devices in addition of its vulnerability to these vulnerabilities common in wireless environments, are devices with some physical limitations such as lack of processing capacity and memory, beyond the limited battery life. These limitations become critical in this kind of environment, when unidentified threats attack are directed mobile devices. It is necessary to develop an intrusion detection system dedicated to these devices to identify intrusive behaviour, taking into account their physical limitations. This work proposes an intrusion detection system (IDS, Intrusion Detection System) for wireless networks and mobile devices. This is an adaptation and extension of NIDIA-IDS (Intrusion Detection System-Network Intrusion Detection System based on Intelligent Agents). The system acts with two processes: the first one is an information tracking on the device performance and the second one is a wireless network traffic monitoring, analyzing both the traffic of monitored devices. As proof of concepts a prototype was developed and some experiments were carried to validate this solution.
Os dispositivos móveis são uma realidade cada vez mais comum em redes wireless e se integraram ao ambiente wireless, contribuindo para facilidade e disponibilidade da informação. Entretanto, o ambiente wireless está sujeito a vulnerabilidades, devido à forma de propagação da informação que se dá através do ar, estando sujeito a intercepção ou até mesmo roubo das informações. Dispositivos móveis além de estarem sujeitos a essas vulnerabilidades comuns em ambientes wireless, são dispositivos com algumas limitações físicas, como pouca capacidade de processamento e memória, além da vida útil de bateria limitada. Estas limitações tornam-se críticas neste tipo ambiente, quando ameaças não identificadas são direcionadas a dispositivos móveis. Torna-se necessário a implementação de sistema de detecção de intrusão voltado para estes dispositivos a fim de identificar comportamentos intrusivos, levando em consideração suas limitações físicas. Este trabalho propõe um sistema de detecção de intrusão (IDS, Intrusion Detection System) em redes wireless destinados a dispositivos móveis como adaptação e extensão do IDS-NIDIA (Intrusion Detection System- Network Intrusion Detection System based on Intelligent Agents). O mecanismo utiliza dois processos: o primeiro faz o monitoramento de informações sobre o comportamento do dispositivo e o segundo através do monitoramento de tráfego da rede wireless, analisando o tráfego destinado e originado aos dispositivos monitorados. A implementação da arquitetura e os testes realizados demonstram a viabilidade da solução.
Shea, Patrick. "DESIGN AND MODELING OF RADIATION HARDENED LDMOSFET FOR SPACE CRAFT POWER SYSTEMS". Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2822.
Texto completoM.S.E.E.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering MSEE
Alemayehu, Andargachew Desta. "Microwave Frequency Thin BST Film Based Tunable Shunt and Series Interdigital Capacitor Device Design". University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1304558851.
Texto completoChang, David Wei-Péng. "ST. JUDE MEDICAL: PULMONARY EDEMA MONITORING IN PACEMAKERS AND ICDS". DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1112.
Texto completoLiu, Haitao. "Novel 3-D CMOS and BiCMOS devices for high-density and high-speed ICs /". View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202003%20LIU.
Texto completoAndersson, Dorothea. "Simulation of industrial control system field devices for cyber security". Thesis, KTH, Elkraftteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-202405.
Texto completoIndustriella informations- och styrsystem utgör en viktig delav vårt moderna samhälle, inte minst när det gäller kontroll och skydd avkritisk infrastruktur som elnät och vattenförsörjning. Det finns stora behov avatt säkerhetstesta dessa typer av system, vilket ofta är omöjligt iproduktionsmiljöer med realtidskrav som är erkänt känsliga för störningar, tilloch med från vanligt förekommande analysverktyg. Denna rapport presenterarhur vanliga komponenter i industriella informations- och styrsystem kansimuleras för att lura potentiella antagonister, och hur de kan användas ivirtualiserade styrsystem för cybersäkerhetsforskning. 8 olika komponentersimulerades med hjälp av Honeyd, och en generellt applicerbarsimuleringsmetodik utvecklades. Hur dessa simuleringar kan vidareutvecklasför att fungera som riktiga styrsystemskomponenter i virtualiserade miljöer harockså undersökts.
Seidel, Robert Viktor. "Carbon Nanotube Devices". Doctoral thesis, Technische Universität Dresden, 2004. https://tud.qucosa.de/id/qucosa%3A24460.
Texto completoA number of very important growth and integration aspects of carbon nanotubes have been investigated during the course of this thesis. The focus was mainly on single-walled carbon nanotubes. Their potential for transistor applications was demonstrated by the successful fabrication of a variety of devices using rather simple processes. A detailed understanding of the dependence of SWCNT growth on a variety of parameters was obtained as the result of several thousand growth experiments. Various catalyst materials, gaseous carbon sources, and catalyst supports have been investigated. Special attention was paid to a considerable reduction of the growth temperature. A simple phenomenological growth model could be derived for CCVD of SWCNTs taking into account a number of effects observed during the various growth experiments. The model presented is mainly based on the surface diffusion of carbon species along the sidewalls of the carbon nanotubes or on the catalyst support and is an addition to the vapor-liquid-solid (VLS) mechanism. Growth methods for the CCVD synthesis of SWCNTs were developed for temperatures as low as 600 °C. It has been found that the size of the catalyst particle alone determines whether a SWCNT, DWCNT, or MWCNT will nucleate from a specific particle under suitable growth conditions. It could be demonstrated for the first time that SWCNTs can be grown on a variety of conducting materials if the catalyst is separated from the electrode by a thin Al layer. In-situ contacted SWCNTs can be easily obtained that way, largely facilitating the electronic characterization of as-grown SWCNTs. A tremendous improvement of the contacts of in-situ contacted SWCNTs could be achieved by electroless deposition. SWCNT growth on appropriate electrodes allowed the encapsulation of the nanotubes by electroless deposition of Ni and Pd, yielding good and reliable contacts. SWCNT transistors with a high-k dielectric could be fabricated by encapsulation of the nanotube with a tantalum oxide layer. The tantalum oxide was deposited by a newly developed dip-coat process. High-current SWCNT transistors consisting of a large number of SWCNTs in parallel were demonstrated for the first time during this work. Finally, the properties of a large number of CCVD grown SWCNTs have been investigated by electronic transport measurement. Large differences in the electronic transport have been observed for metallic, small band gap semiconducting (SGS), and semiconducting SWCNTs with small diameters.
Rajan, Parthiban. "Novel Capacitive Sensors for Chemical and Physical Monitoring in Microfluidic Devices". Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1549449776383119.
Texto completoWu, Yudong. "Simulation of graphene electronic devices". Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/1554/.
Texto completoWells, Gary George. "Voltage programmable liquid optical devices". Thesis, Nottingham Trent University, 2009. http://irep.ntu.ac.uk/id/eprint/168/.
Texto completoKumar, Sandeep S. "Elliptic curve cryptography for constrained devices". [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=982216998.
Texto completoAlzubi, Feras. "Planar Organic Photovoltaic Devices". Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5756.
Texto completoPh.D.
Doctorate
Physics
Sciences
Physics
Zhang, Panpan, Faxing Wang, Minghao Yu, Xiaodong Zhuang y Xinliang Feng. "Two-dimensional materials for miniaturized energy storage devices: from individual devices to smart integrated systems". Royal Society of Chemistry, 2018. https://tud.qucosa.de/id/qucosa%3A34566.
Texto completoBhuwalka, Krishna K. "Novel tunneling devices for future CMOS technologies". [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980688434.
Texto completoThomas, Sam Lloyd. "Backdoor detection systems for embedded devices". Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8365/.
Texto completoRanjan, Nitesh. "Dielectrophoretic formation of nanowires and devices". Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23832.
Texto completoMyint, Cho Zin. "A new electronic device for measuring pulse and oxygen concentration". Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1788.
Texto completoWu, Yung-Hsun. "FAST RESPONSE LIQUID CRYSTAL DEVICES". Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3111.
Texto completoPh.D.
Optics and Photonics
Optics
Fan, Yun-Hsing. "TUNABLE LIQUID CRYSTAL PHOTONIC DEVICES". Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3926.
Texto completoPh.D.
Other
Optics and Photonics
Optics
Lin, Yi-Hsin. "POLARIZATION-INDEPENDENT LIQUID CRYSTAL DEVICES". Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4199.
Texto completoPh.D.
Optics and Photonics
Optics
Wetzler, Reinhard. "Spatial Coulomb effects in semiconductor quantum dot devices". [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=971082073.
Texto completoDenzel, Michael. "Malware tolerance : distributing trust over multiple devices". Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8422/.
Texto completoQureshi, Omar Osman. "The modelling of ferrite-loaded helical devices". Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/2918/.
Texto completoSampara, N. "Voltage induced spreading and liquid optical devices". Thesis, Nottingham Trent University, 2013. http://irep.ntu.ac.uk/id/eprint/83/.
Texto completoZulkifli, Muhammad. "Microalgae derived carbon for energy storage devices". Thesis, Zulkifli, Muhammad (2017) Microalgae derived carbon for energy storage devices. Honours thesis, Murdoch University, 2017. https://researchrepository.murdoch.edu.au/id/eprint/41924/.
Texto completoKorzetz, Mandy, Romina Kühn, Karl Kegel, Franz-Wilhelm Schumann, Leon Georgi y Thomas Schlegel. "MilkyWay: A Toolbox for Prototyping Collaborative Mobile-Based Interaction Techniques". Springer, 2019. https://tud.qucosa.de/id/qucosa%3A71301.
Texto completoLehmann, Thomas. "Towards device driver synthesis". [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=968551009.
Texto completoGalan, Elias Jason. "Magnesium Diboride Superconducting Devices and Circuits". Diss., Temple University Libraries, 2015. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/353715.
Texto completoPh.D.
While magnesium diboride (MgB2) was first synthesized in the 1950s, MgB2’s superconductive properties were not discovered until 2001. It has the highest superconducting transition temperature of all the metallic superconductors at ~39 K at atmospheric pressure. MgB2 is also unique in that it has a two superconductive gaps, a pi gap at 2 meV and a sigma gap at 7.1 meV. There are a theoretical models discussing the inter- and intra- gap scattering of the superconductivity of MgB2 and the Josephson transport of MgB2 Josephson Junctions. The focus of this work is to further the study of all-MgB2 Josephson junctions and quantum interference device technology. This work discusses the transport in all-MgB2 Josephson junctions and designing, fabricating, and measuring multi-junction devices. The junctions studied include all-MgB2 sandwich-type Josephson junctions (one with TiB2 normal conducting barrier and another with an MgO insulating barrier). The junction MgB2 films were deposited by hyprid physical-vapor deposition and the junction barrier were deposited by sputtering. The junctions were patterned and etched with UV photolithography and argon ion milling. With the TiB2 barrier we studied Josephson transport by the proximity effect. With these junctions, we also observed complete suppression of the critical current by an applied magnetic field showing for the first time a leakage free barrier in an all-MgB2 Josephson junction with a single ultrathin barrier. We also studied junctions utilizing MgO barrier deposited by reactive sputtering which gave a larger characteristic voltage of 1-3 mV compared to TiB2 barriers. By connecting several SQUIDs with varying loop areas we developed of two types of superconducting quantum interference filters (SQIFs). The first SQIF designed with 21 SQUIDs connected in parallel and the SQUID loops are sensitive to magnetic fields applied parallel to the substrate. The SQUID loop areas were designed to vary in such a way that the voltage modulation gave a unique peak corresponding to the absolute value of the applied magnetic field. The SQIF shows an antipeak height of 0.25 mV with a transfer function of 16 V/T at 3 K. The lowest noise measured for this SQIF is 110 pT/Hz1/2. The second SQIF is designed with 17 SQUIDs in parallel and the SQUID loops are sensitive to magnetic field perpendicular to the substrate. This SQIF has shown improved voltage modulation with a peak height of 1 mV and a transfer function of 7800 V/T. The noise sensitivity was measured at 70 pT/Hz1/2. The sensitivity of the SQIF shows MgB2 potential superconductor to improve performance of current superconductive electronics. Utilizing known all-MgB2 junctions and SQUID parameters two rapid single flux quantum (RSFQ) circuits were designed and tested. A toggle flip flop (TFF) operating as a frequency divider was developed. The TFF design consisted of a Josephson transmission line, a splitter, and an interferometer (a DC SQUID). The TFF utilized an improved designed, compared to previous all-MgB2 TFFs, and showed operation up to 335 GHz at 7 K and operation up to 30 K. A low frequency set-reset flip flop (SRFF) was also developed to demonstrate RSFQ digital logic. The SRFF design includes a DC-SFQ converter, a Josephson transmission line, and an inductively coupled readout SQUID. The SRFF demonstrates proper digital logic by toggling between a high and low voltage state with a sequential set and reset input. While these developed devices are not close to the potential that MgB2 allows, they do show the promise MgB2 based devices have in making more sensitive and faster superconductive logic devices.
Temple University--Theses
Kunets, Vasyl. "Micro Hall devices based on high electron velocity semiconductors". Doctoral thesis, [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=973088672.
Texto completoRodríguez, Sanmartín Daniel. "Smart piezoelectric devices for X-ray optics applications". Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/3193/.
Texto completoDeng, Sunan. "Nanophotonic devices based on graphene and carbon nanotubes". Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/7041/.
Texto completoXu, Su. "Optical Fluid-based Photonic and Display Devices". Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5585.
Texto completoPh.D.
Doctorate
Optics and Photonics
Optics and Photonics
Optics
Jollivet, Clemence. "Specialty Fiber Lasers and Novel Fiber Devices". Doctoral diss., University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6295.
Texto completoPh.D.
Doctorate
Optics and Photonics
Optics and Photonics
Optics and Photonics
Van, Tien Pham. "Proactive ad hoc devices for relaying real-time video packets". [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=983780226.
Texto completoJakobi, Martin. "Laser speckle based surface measurement techniques relevant to fusion devices". [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960674144.
Texto completoDevlin, Sean M. "Improving Degradable Biomaterials for Orthopedic Fixation Devices". Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/394989.
Texto completoPh.D.
Current degradable orthopedic fixation devices do not typically facilitate tissue integration during healing. Proposed here is a novel combination of processing methods to enhance the tissue integration capability of degradable thermoplastics used in temporary orthopedic fixation devices. The provision of open pores in devices used to affix reconstructed hard tissues would allow for local cells to infiltrate during the healing process. Any openly porous structure is inherently weakened in comparison to its monolithic peers (i.e. decreased relative bulk modulus), such that the matrix materials must be made more resilient in keep the device from becoming friable. These processing methods aim to improve degradable surgical fixation devices at multiple levels of design: both through the inclusion of porous morphology, processing changes, and additives to regain mechanical integrity. Biomimetic pores are added for cellular infiltration by dissolving a porogen’s interpenetrating polymer network. The addition of open pores significantly reduces the bulk stiffness. More uniform phase separation has led to better pores, but the objects still need more resilience. Carbon nanomaterials are used to improve on the mechanics and surface chemistry of the polymer matrix material, composites of polylactide/nanodiamond are produced through cryogenic milling and solid state polycondensation. The addition of minute amounts of functionalized nanodiamond has remedied the brittle failure of the material, by cryogenic milling and solid state polycondensation of poly((D,L)lactide-co-glycolide) and hydroxyl functionalized detonation nanodiamonds. This composite has also demonstrated increased cytocompatability with 7F2 osteoblasts, as analyzed by cellular adhesion through fluorescence microscopy and alamar blue assay.
Temple University--Theses
Pinkney, Thomas David. "Wound-edge protection devices to reduce surgical site infection". Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7588/.
Texto completoDoy, Nicola. "Characterising room temperature ionic liquids with acoustic wave devices". Thesis, Nottingham Trent University, 2010. http://irep.ntu.ac.uk/id/eprint/107/.
Texto completoZeng, Guang. "Some aspects in lifetime prediction of power semiconductor devices". Universitätsverlag Chemnitz, 2018. https://monarch.qucosa.de/id/qucosa%3A34891.
Texto completoLeistungselektronik, welche direkt relevant für die Erzeugung, Umwandlung, Übertragung und Nutzung elektrischer Energie ist, ist eine Schlüsseltechnologie für das Wohl der Menschen. Mit der Entwicklung von Technologien steigen die Anforderungen an die Zuverlässigkeit leistungselektronischer Systeme. Der Langzeitbetrieb unter rauen Umgebungsbedingungen geht häufig mit einer höheren Schaltfrequenz und einer höheren Leistungsdichte einher. Um eine zuverlässige und nachhaltige Operation der leistungselektronischen Systeme zu ermöglichen, ist die genaue Lebensdauerabschätzung der Halbleiter-Leistungsbauelemente von großer Bedeutung. Diese Arbeit befasst sich mit einigen Aspekten der Lebensdauerabschätzung von den Halbleiter-Leistungsbauelementen. Unterschied in der Temperaturabstimmung der Halbleiter-Leistungsbauelemente wird anhand von Berechnung, Simulation und Messung veranschaulicht. Darüber hinaus bietet die Temperaturberechnung im Frequenzbereich Vorteile bei der Anwendung mit mehreren hundert Bauelementen. Darüber hinaus wurden verschiedene Regelstrategien im Lastwechseltest verglichen. Die lineare kumulative Alterungstheorie wurde unter Verwendung des Lastwechseltests validiert. Für das in der MMC-HGÜ-Anwendung verwendete Hochleistungs-IGBT-Modul wurden Alterungsprozesse bei 50 Hz Erwärmung untersucht. Für das Diskrete-Gehäuse wird das erste Lebensdauermodell vorgestellt, welches ein vergleichbares Anwendungsbereich wie das Lebensdauermodell von Leistungsmodulen hat.
Hansen, Sinclair D. "An intrusion detection system for supervisory control and data acquisition systems". Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/16636/1/Sinclair_Hansen_Thesis.pdf.
Texto completoHansen, Sinclair D. "An intrusion detection system for supervisory control and data acquisition systems". Queensland University of Technology, 2008. http://eprints.qut.edu.au/16636/.
Texto completoMoore, Lamar. "The application of the capacitive division technique to wide-field time-resolved fluorescence microscopy". Thesis, University of Sussex, 2018. http://sro.sussex.ac.uk/id/eprint/80448/.
Texto completoChen, Yupeng. "FINITE ELEMENT METHOD MODELING OF ADVANCED ELECTRONIC DEVICES". Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3115.
Texto completoPh.D.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering
Grummel, Brian. "HIGH TEMPERATURE PACKAGING FOR WIDE BANDGAP SEMICONDUCTOR DEVICES". Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3200.
Texto completoM.S.E.E.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering MSEE
Ge, Zhibing. "MODELING OF LIQUID CRYSTAL DISPLAY AND PHOTONIC DEVICES". Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3867.
Texto completoPh.D.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering PhD
Lades, Martin. "Modeling and simulation of wide bandgap semiconductor devices 4H/6H-SiC /". [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=962057827.
Texto completoThalhammer, Robert. "Internal laser probing techniques for power devices analysis, modeling and simulation /". [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=962057959.
Texto completoMeisel, Andreas. "Alignment, characterization and application of polyfluorene in polarized light-emitting devices". [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963670441.
Texto completoRosenstrauch, Doreen. "Use of autologous auricular chondrocytes for lining left ventricular assist devices". Doctoral thesis, [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=972610480.
Texto completo