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Browsing Elektrik- Elektronik Mühendisliği by Title

Browsing Elektrik- Elektronik Mühendisliği by Title

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  • 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 ...
  • Variable structure systems theory based training strategies for computationally intelligent systems 
    Efe, Mehmet Önder. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Noise rejection, handling the plant-model mismatches and alleviation of structured or unstructured uncertainties constitute prime challenges that are frequently encountered in the practice of systems and control engineering. ...
  • VGA projection display using electromagnetically actuated steel micromirrors 
    Usta, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Projection display in VGA display format, which is 640x480 pixels in resolution, is aimed to be achieved using electromagnetically actuated steel micromirrors. In the work, the focus is the projection display control system ...
  • Vibration based condition monitoring of pumping systems in textile dyehouses 
    Demircan, Canberk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Condition monitoring of pumps is very important due to their critical role in industrial plants. This thesis focuses on vibration based fault detection and diagnosis of the exible impeller pumps which are mostly used in ...
  • Vision based automated landing of quadrotors 
    Mete, Mustafa. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    This thesis focuses on the design and development of quadrotors that are capable of autonomous landing on a stationary platform. This problem is motivated by the fact that quadrotors have to land frequently to charge their ...
  • Vision correction for the visually impaired via digital image processing 
    Keleş, Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, an adjustment based on the mathematical modeling on digital screens for people with refractive visual impairments is proposed. According to the laws of refraction and diffraction, the human eye can be considered ...
  • VLSI implemantation of an M-band wavelet filter 
    Atabek, K. Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    In this thesis, an integrated circuit realizing M-Band wavelet transfqrm and its perfect reconstruction (PR) counter part is designed. Although M is taken as 4 in the design, the M-Band Wavelet Transform has all four ...
  • VLSI implementation of a new standard for lossless compression of continuous-tone still images 
    Aktürk, A. Suat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    In this thesis, an integrated circuit realizing lossless compression of continuous-tone still images is designed. Lossless compression has two main parts. In the encoding part, digital source image data are encoded in order ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • Wheeze detection in respiratory sounds via statistical signal modeling 
    Aydöre, Sergül. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is detection of wheeze and non-wheeze epochs within respiratory sound signals acquired from patients with asthma and COPD. Since a wheeze signal, having a sinusoidal waveform, has a different behavior ...
  • 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 ...
  • Wireless and batteryless instant velocity sensor for certain daily motions 
    Arıcıoğlu, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The miniaturization studies in both integrated circuits (IC) and microelectromechanical systems (MEMS) have made it possible to have electronic systems that can operate with very low power. Sensors that are used for ...
  • Worm infection dynamics on a local area network 
    Doğan, Kübra. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    The aim of this thesis is to investigate the spreading behaviour of worms on a Local Area Network that is supervised by a central administrator who is authorized to enforce the updates on individual computers, but leaves ...
  • Yet another simulation based sensitivity analysis tool for analog layout generation 
    Şen, Taşkın. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this thesis, a high performance and flexible analysis tool is presented for computing the sensitivities of performance measures of analog integrated circuits to the parasitic effects that are introduced during layout ...

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