Browsing M.S. Theses by Issue Date

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  • Integrated ultra-wideband receiver system and antenna design 
    Akkurt, Halit Kürşat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Ultra wideband (UWB) is one of the important technologies among the communication types, which is able to reach high data rate in short distances. Wireless personal area networks and wireless sensor networks are the primary ...
  • Field programmable analog array design for biomedical applications 
    Çömlekçi, Coşkun. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The acquisition and processing of biomedical signals are important steps for clinical applications and academic research. Clinical applications involves diagnosis of diseases and also control of the prothesis or functional ...
  • Variable structure systems based online learning algorithms for type-1 and type-2 fuzzy neural networks 
    Çiğdem, Özkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Type-2 fuzzy logic systems are proposed in the literature as an alternative to type-1 fuzzy logic systems because of their abilities to more e ectively model rule uncertainties. This thesis extends the idea of using the ...
  • 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 ...
  • 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 ...
  • Generator matrix selection for finite-length polar codes 
    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 ...
  • 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. ...
  • New approaches to optimization algorithms used in circuit and system level of analog design automation 
    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 ...
  • BIT manipulation attack to ultralightweight RFID protocols 
    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 ...
  • 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, ...
  • 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 ...
  • Spatially-coupled LDCP coding for the correlated erasure channel 
    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 ...
  • Empirical analyses on portfolio optimization strategies 
    Yılmaz, Efe Doğan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, the success of the application of control engineering approaches to the nancial portfolio construction problem are investigated empirically. Often, the aim of the investor is to maximize the returns while ...
  • 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 ...
  • Spectrum aware self-organizing networking in OFDMA / LTE heterogeneous networks 
    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 ...
  • 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 ...
  • 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 ...
  • Automatic Sigma-Delta Analog to Digital Converter architecture generator 
    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 ...
  • Split ring resonator and metamaterials at microwave regime, numerical analysis, design, characterization 
    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 ...
  • 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 ...

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