Ph.D. Theses: Recent submissions

  • Sarıca, Fatma. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The use of circuits with more than two logic levels, named as Multiple-Valued Logic (MVL) circuits, have a potential for reducing chip area consumed by interconnection wiring and functional units in Very-Large Scale ...
  • Aktan, Ozan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The receiver circuitry in a wireless communication system is a key component in determining the overall system performance. The power of the receiver circuitry is usually provided from a battery or through copper wires. ...
  • Kayacan, Erdal. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This Ph.D. dissertation has four main objectives. Firstly, the noise reduction property of type-2 fuzzy logic systems that use a novel type-2 fuzzy membership function is studied. A number of papers exist in literature ...
  • Güzel, Tayyar. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Broadband power-line communication (BPLC) has become more popular in the Smart Grid context as it allows broadband access, media sharing, automated meter reading etc. However, it still remains as a challenging task to ...
  • Gökdel, Yiğit Dağhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    A novel type of displays are realized by hybrid and monolithic integration of optoelectronic devices with micro electro mechanical systems (MEMS). MEMS platform, with mechanical quality factor (20-50 in air) enhanced ...
  • Kunter, Fulya. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This dissertation proposes the weighted extended basis splines (web-splines) approach in the finite element method (FEM) for electrostatic, electromagnetic, and bioheat problems for radially symmetric and three dimensional ...
  • Arslan, Emre. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    High performance analog circuits need to be modified according to modern telecommunication needs such as higher frequency (GHz regions), low power, low voltage, low noise and higher relative dynamic range. The attractive ...
  • Ergüler, İmran. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Radio Frequency IDentification (RFID) technology continues to flourish as an inherent part of virtually every ubiquitous environment. However, it became clear that the public— implying the industry— seriously needs mechanisms ...
  • Çini, Uğur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Arithmetic circuits play a crucial role in VLSI technology. Arithmetic blocks are usually the most power consuming parts in a system since the switching activity is quite high. Alternative arithmetic implementations can ...
  • Sönmez, Özsun Serkan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    This thesis presents a simulation-based analog circuit synthesis methodology, its integration with system and layout level analog synthesis tools, and synthesis examples that were performed to validate the usefulness of ...
  • Çakır, Cem. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Low-voltage and low-power analog and digital circuits are needed to realize batteryoptimized, reliable and low-cost electronic devices for many applications. Example applications include remote environmental monitoring, ...
  • Eksin, İbrahim. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    This study proposes various efficient numerical methods for the general optimal control problem. The basic feature of the methods developed here is that they somehow exploit the ideas and the concepts of the sensitivity ...
  • Arısoy, Ebru. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Turkish, being an agglutinative language with rich morphology, presents challenges for Large Vocabulary Continuous Speech Recognition (LVCSR) systems. First, the agglutinative nature of Turkish leads to a high number of ...
  • Deniz, Engin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The design of analog circuits requires a deep insight into both physical and technological parameter interactions. In addition, every application of analog circuits has speci c constraints and requirements with large number ...
  • Dutağacı, Helin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Shape description is a crucial step in many computer vision applications. This thesis is an attempt to introduce various representations of two and three dimensional shape information. These representations are aimed to ...
  • Aktar, Mustafa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
  • Güney, Nazlı. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In a multipath dominated environment, ultra-wideband (UWB) systems that transmit trains of subnanosecond duration pulses exhibit the desirable property of fine resolution in time of the received paths, which as a result ...
  • Özgül, Barış. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This dissertation proposes advanced transceiver designs applying turbo and space-time (ST) concepts to continuous phase modulation (CPM), which is preferred in numerous power- and band-limited communication systems for its ...
  • Talay, Selçuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis discuss high-level modeling of Sigma-Delta ADC’s, development of a design automation tool which operates at system level, and other related software which are required for accurate operation of this tool. There ...
  • Yıldıran, Uğur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Finding the optimal value of a polynomial function over a region determined by a finite number of polynomial constraints and determining the emptiness of such a region constitute major problems encountered in control theory ...

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