Fen Bilimleri Enstitüsü: Recent submissions

  • Analysis of thermal drift in atomic force microscopy and design of compensating MEMS-based micro-stage 
    Tolunay, Selin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Single-molecule force spectroscopy has become a powerful research area. The most commonly used single-molecule force spectroscopy techniques are optical tweezers, magnetic tweezers and atomic force microscopy (AFM). For ...
  • Application, analysis and realization of electronic article surveillance (EAS) systems 
    Dirik, Mustafa Orhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of this work is to design, implement and verify a low cost microcontroller based electronic article surveillance (EAS) system prototype and is accomplished in great success. An EAS system is basically used for ...
  • Synchronization of continuous-time oscillators and its control 
    Köksal, Elif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, synchronization of continuous-time oscillators with respect to the e ects which are bases on the network structure the properties of the oscillators and its control are studied. In the context of synchronization, ...
  • Modern control problems in linear time-invariant multivariable systems 
    Arslanalp, M. Salim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 199., 1981.)
  • Enhanced resource-aware video multicasting via access gateways in multi-hop wireless mesh networks 
    Rakanoğlu, Gürkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Wireless mesh networks (WMN) are the communication networks made up of radio nodes organized in a mesh topology. In recent years there are many applications like video survelliance, video conferencing that have been ...
  • Modeling and optimal control of range extended electric vehicles 
    Buğur, Orhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Over the last few years, the world has started to witness a change in vehicular technology due to increasing gasoline prices and environmental concerns. Hybrid and Electric vehicles have been introduced to society. The ...
  • Modelling and optimization of a SG type seismometer proportional to the elongation 
    Çakan, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, a new SG type seismometer is modelled and its counterforce constant is optimized to have an increased period length large enough to make seismic measurements. In the first part of the thesis a “Kinematic ...
  • Wide tunable bandpass filter design based on CMOS active inductor 
    Sunça, Abdullah. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    RF bandpass filters being commonly used in wireless communication systems are increasingly being implemented utilizing actively simulated inductors. Implementation of bandpass filters based on active inductors holds a ...
  • A novel system model implementtation of network attacks and countermeasures 
    İnal, Beytül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The Internet is an open and e cient TCP/IP protocol which is most widely used in the world. As usage of the Internet and TCP/IP protocols increases, their lack of built-in security has become more and more problematic. ...
  • Classification using spiking neural networks 
    Sinanoğlu, Gökçen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The functioning of the brain has attracted the interest of people since ancient times, how it processes the data has always became a subject of wonder and today, the mystery has still not been solved completely. The major ...
  • Searching a website via spoken questions 
    Durukal, Mesut. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    To reach the desired information on a web site can be a very time consuming task when the fact that the site may not even have that information is considered. In addition to the time consuming feature of checking all the ...
  • Liquid state diodes using polymer semiconductors 
    Sönmez, Bedri Gürkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis a liquid state polymer diode is fabricated and characterized. First, lateral electrode structures are formed where highly doped p-type Si is used as anode, aluminum is used as cathode and SiO2 is used as ...
  • Two-dimensional selectively thinned steel micromirrors 
    Küçükakarsu Usta, Betül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This thesis mainly deals with electromagnetically actuated resonant steel MOEMS scanners developed for a scanner-based projection system and focuses on the design of micromirrors to achieve QVGA and VGA specs. Types of ...
  • Analog cell sizing using enhanced multi-objective evolutionary algorithm (MOEA/D-DE) and forming a feedback loop interface between SACSES and TOLAS 
    Sipahi, Süha. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This thesis investigates an evolutionary-based design system for automated sizing of analog integrated circuits (ICs). A new algorithm, called multi-objective evolutionary algorithm based on decomposition using enhanced ...
  • RF front-end of a receiver for a 3 Tesla Magnetic Resonance Imager 
    Kalafat Kızılkaya, Işıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this study, a front-end circuitry is designed for a 3 Tesla Magnetic Resonance Imager Receiver with UMC 0.18 m technology. Folded cascode topology is seemed to be the optimum design for our design speci cations which ...
  • Electromagnetic (Eddy current) nondestructive testing of nonferrous metal tubes and rods 
    Altay, Tamer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    In this thesis, nondestructive testing of nonferrous metal tuhings and rods has been-investigated by employing eddy currents. Especially the detection of cracks within the metal bodies and on the surfaces, electromagnetic ...
  • Liver segmentation in 3D CT data 
    Çimen, Serkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Segmentation of liver from 3D abdominal CT data is the basis of analysis of liver which is required to aid diagnosis and treatment of liver cancer. However, common clinical practice for liver segmentation relies on manual ...
  • Aging in CMOS circuits and circuit design robust to aging phenomena 
    Afacan, Engin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The subject of aging in CMOS circuits has been examined and some reliability simulations have been run for analog CMOS circuits in order to observe the e ects of this phenomenon on the reliability of CMOS circuits in this ...
  • Low power CMOS optoelectronic transmission system design 
    Çindemir, Umut. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Catheter based endovascular operations are used for diagnosis and treatment as minimally invasive procedures. Most of these operations are held under X-ray uoroscopy which is harmful due to incident radiation and chemical ...
  • A bottom-up approach to peer-to-peer live multicast 
    Öztaş, Başak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The implementation difficulty of IP multicast in terms of both structural and economical reasons, headed the multicast functionality towards higher layers. Peerto- peer multicasting have aroused as a potential solution for ...

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