Browsing Fen Bilimleri Enstitüsü by Title

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  • VLSI implementation of a secure communication system using current-mode chaotic circuits 
    Nişancı, Sedat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Analogue IC(Integrated Circuit) design is historically seen as a voltage dominated form of signal processing. In fact, the analogue devices that are often used (e.g. transistors) are current output devices, so we can utilize ...
  • Voice conversion for reconstruction of dysphonic speech 
    Tarakcıoğlu, Gönenç Seçil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The medical term "dysphonia" is used for voice disorders caused by functional impairment of voice organs which results in inadequate oscillatory movement of the vocal folds. Dysphonic speech is typically hoarse, rough and ...
  • Voice driven keyword spotter 
    Çengelci, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    We designed a voice driven keyword spotter. To improve the success of the system, we made use of synthetically generated voice inputs in addition to natural voice inputs and used approximate string matching instead of exact ...
  • VoIP performance in NGEO satellite IP networks with on-board processing capability 
    Bayhan, Suzan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis study, an adaptive routing policy utilizing the real-time network information of a two-layered satellite network is introduced. In a satellite network, de- pending on the requirements and properties of ...
  • Vulnerability of networks against rank ordered independent link failures 
    Çolak, Serdar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, various random and regular networks are investigated and compared in terms of their vulnerabilities against independent but ordered failures. Upon the mathematical basis of graph theory, methods of analysis ...
  • Water - gated field effect transistor with integrated microfluidic channel 
    Dündar, Doruk. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    This thesis establishes a novel fabrication method to integrate water-gated tran sistors with microfluidic channels using surface micromachining techniques. Transistors are designed and fabricated on 16 nm thick single ...
  • Water soluble, low migration and visible light photoinitiators for greener photopolymerization 
    Eren, Tuğçe Nur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    In this work, novel monomeric, polymeric and mesomeric (high enough molecular weight to provide lower migration but not high enough to be called a macromolecule) photoinitiators (PIs) were synthesized with the aim of ...
  • Watermarking algorithm based on modified non-negative matrix factorization 
    Kayacan, Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Non-negative matrix factorization has become a significant area of research within the last 10 years. After the research paper ”Learning the parts of objects by non-negative matrix factorization” by Daniel D. Lee & H. ...
  • Watershed modeling and risk assesment of Ergene river basın 
    Rahmanlar, Musa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Protection of water resources in terms of quality and quantity is one of the main challenges for the developed and developing countries. Especially, pollution caused by industrialization and agriculture makes difficult to ...
  • Wavelet analysis in computational fluid dynamics 
    Kahraman, Ali Berk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Wavelets are compact functions in space and time which enable easy data com pression through multi-resolution analysis. The compression is done by scattering dif ferent resolution levels of wavelets onto the domain, and ...
  • Wavelet based detection of network traffic anomalies 
    Hasan, Dağhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Computer Networks can be considered as an important component of today’s human life. Since data and information of various organizations and companies are transferred through private and public networks such as global ...
  • Wavelet coherence :|analysis of time series and exploration towards fault detection 
    Duman, Ali İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Wavelet Coherence Analysis (WCA) is a tool for depicting degree of coherency and phase differences between binary time series. The advantages of WCA are the capability to cope with non-stationary time series and to monitor ...
  • Wavelet transform based fall detection using wearable accelerometers 
    Yavuz, Gökhan Remzi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Falls are identified as a major health risk, especially for the elderly people and are considered a major obstacle to independent living. Quick medical response is desired in case of a fall event. However, the fall may ...
  • Web environment to support teaching introductory programming 
    Dinç, Dağhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis describes a Web based education support environment for supplementing the teaching of “Introduction to Programming” (code CMPE150) course at Boğaziçi University by the Computer Engineering Department. The ...
  • Web service orchestration standards 
    Patlak, Çiğdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    Web services are a standards-based, loosely coupled new distributed computing architecture designed and specified to foster cross-platform program-to-program communications. Currently the Web services landscape is in an ...
  • Web-splines solution of 3D electromagnetic problems 
    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 ...
  • Weflow: we follow the flow 
    Kökciyan, Nadin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Web applications, such as social networking platforms and Web X.0 applications have transformed average users from consumers to producers of content. While this transition has been very successful with respect to content, ...
  • Weight measurement on fast conveyors 
    Kasap, Deniz. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis focuses on the development of a mathematical model for a continuously moving weight conveyor to provide a more accurate weight measurement than current conveyors. While material is being transported by the ...
  • Weinberg-Salam model and e+ e- -> m+ m- process 
    Kalaycı, Jan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
  • WGS activity and kinetics of ZrO2 supported tri-metallic catalysts 
    Gül, Gülşah. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Science and Engineering, 2018., 2018.)
    The current study is the part of an ongoing project aiming to design and develop high performance, steam tolerant, non-pyrophoric WGS catalyst(s) to be used in a demo-scale fuel processor producing PEM grade hydrogen for ...

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