M.S. Theses: Recent submissions

  • Kurçenli, Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Speech recognition is an active area of research with implementations spanning from commercial to medical applications such as hearing aids. Recognition of speech signals is studied for decades and a lot of progress has ...
  • Esen, Huzeyfe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In Small Size League (SSL) which is one of the most dynamic and fastest competitions of RoboCup, a soccer game is played between two autonomous teams of 6 robots on a field of size 6050 mm 4050 mm. Because of this ...
  • Esen, Vahap Barış. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Two step flash ADCs have widespread use in electronic circuits, since they can achieve decent resolutions in high speed applications. Their two step structure requires coordination of many analog blocks that is ensured by ...
  • Sübakan, Yusuf Cem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, we investigate probabilistic methods for time series classification and clustering problems. For various classification and clustering tasks, we survey different time series models such as Markov models, ...
  • Çardak, Necdet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    In this thesis, the speed control of a 3-phase induction motor by electronic circuitry is investigated and compared with alternative methods used in industry. The design of the control unit to synthesise a 3-phase stepped ...
  • İleri, Fatih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Localization in wireless sensor networks is getting more and more important in the recent years, since many applications need to locate the source of incoming measurements as precise as possible. Channel propagation and ...
  • Yüce, Bilgiday. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Finding the value and/or address (position) of the maximum (or similarly minimum) element of a set of binary numbers is a fundamental arithmetic operation. Numerous systems, which are used in various application areas, ...
  • Çakacı, Ahmet Uraz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Using Magnetic Resonance Imaging (MRI) in minimally invasive medical procedures has many advantages, such as the elimination of ionizing radiation and increased soft tissue contrast. However, the lack of MRI-compatible ...
  • Çiçek, Nihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Smart grid is an electrical grid that uses information and communications technology to improve e ciency, reliability, economics, and sustainability of production and distribution of electricity. In this thesis, we study ...
  • Altay, Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Energy Detection is widely studied spectrum sensing system to detect signal energy due to its simplicity and lack of requirement signal characteristics. This thesis focuses on two main problems on distributed detection of ...
  • Terkeşli, İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This thesis presents the fabrication and characterization of organic field effect transistors (OFETs) for sensor applications using polymeric semiconductor of poly (3- hexyl thiophene)(P3HT). Utilizing deionized (DI) water ...
  • Yaman, Berkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, a simple polymer field effect transistor structure is designed and fabricated. To decrease the operating voltage of the transistor, electrolyte solutions are used as gate material. Using electrolyte at the ...
  • Şerbetci, Berksan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Polar coding is a recently proposed coding technique, which has been proven to achieve the channel capacity. The original 2 x 2 generator matrix polarizes the channels and a portion of channels' capacity approach 1, while ...
  • Gök, Ali Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Sigma-delta A/D converters constitute a popular method of A/D conversion since they can achieve higher resolution with simpler analog circuitry. Using feedback and feedforward paths, their performance can be increased even ...
  • Bodur, Fazıl Nihat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    The object of the thesis is to study the speed control of direct current motor by using phase locked loop principle and compare alternative methods applied in practice. The operation of phase locked servo systems is described ...
  • Ay, Simge. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This thesis presents different simulation-based analog circuit synthesis methodologies, and synthesis examples that were performed to validate the usefulness of the methodologies. It also presents the integration of circuit ...
  • Ashrafi, Mahmood Reza Alizadeh. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, spatially-coupled low density parity-check (LDPC) codes, which have been shown to exhibit the threshold saturation phenomenon over the binary erasure channel (BEC), are considered and a low-delay iterative ...
  • Ünsal, Cihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Radio frequency identification (RFID) enables identification of objects that are labeled with small tags in a wide variety of environments without needing a physical contact and a line-of-sight. A typical RFID system ...
  • Karaman, Melih Ahmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Emerging information technologies provide a large number of services which require high throughput for the users. In order to supply the data rate needed by the consumer, the evolving ecosystem of mobile technologies have ...
  • Sadeghzadeh, Seyedehayda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Recently, there has been a significant interest in Terahertz (THz) technology, primarily for its potential applications in detection of concealed objects as well as in medical imaging for non-invasive diagnostics. THz ...

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