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Browsing Elektrik- Elektronik Mühendisliği by Title

Browsing Elektrik- Elektronik Mühendisliği by Title

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  • Solution of general TPBVP's in optimal control using the sensitivity method 
    Mercanköşk, Güven. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this thesis, general TPBVP's in Optimal Control have been analyzed using the sensitivity method. A solution method, which uses the trajectory sensitivities to solve general TPBVP's, is developed. Existence of the solutions ...
  • Solutions to restrictions of the current conveyor based circuits 
    Yüce, Erkan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Current conveyor (CC) is one of the most widely used versatile active components. It potentially provides higher accuracy, wider bandwidth, greater linearity and larger dynamic range. The advantages of the CCs have brought ...
  • Sound source localization using MEMS digital microphone arrays 
    Aşıroğlu, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Technological developments around artificial intelligence in the last decade have led to a significant increase in applications of audio capturing and speech processing. To increase quality of sound recording and to obtain ...
  • Source separation of seismological signals using blind deconvolution and independent component analysis techniques 
    Kılıç, Yalçın. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Blind source separation and independent component analysis techniques have been implemented in many fields to analyze signals, in order to reveal the hidden factors and components that underlie. Analyzing some basic problems ...
  • Space-time polarization diversity in multiple input multiple output communication systems 
    Sevindik, Volkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In wireless communications systems, diversity techniques are widely used to combat the e ects of wireless fading channels. Multiple-input multiple-output (MIMO) systems have better performance under fading channels than ...
  • Sparse signal recovery from incomplete and perturbed data 
    Şenyuva, Rıfat Volkan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Sparse signal recovery consists of algorithms that are able to recover undersampled high dimensional signals accurately. These algorithms require fewer measurements than traditional Shannon/Nyquist sampling theorem demands. ...
  • Spatial modulation MIMO systems with dual-polarized antennas 
    Zafari, Golara. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In wireless communication systems, multiple-input multiple-output (MIMO) systems have been widely used during the past decades to achieve better performance. However, there is an inevitable issue due to the usage of ...
  • 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 ...
  • Speaker verification for microphone suitable data and audio diarization for Turkish broadcast news 
    Yılmaz, Oğuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis, speaker verification and audio diarization tasks are studied. The aim of speaker verification is to determine whether two utterances are spoken by same speaker. Investigators from many research group ...
  • Spectral analysis of cancer biomarkers in human serum using a custom portable analyzer 
    Oktay, Kaan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, we systematically evaluate metabolites and proteins in blood to develop a pipeline to identify potential biomarkers for breast cancer risk. Our aim is to identify a group of molecules, which can be targeted ...
  • 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 ...
  • Spectrum estimation using adaptive filters 
    Anarın, Emin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this work, the adaptive discrete-time, linear nonrecursive filters (or estimators) designed by the Least Mean Square (LMS) algorithm are investigated. The developmeni of adaptive techniques for estimating the parameters ...
  • Speech retrieval for Turkish broadcast news 
    Parlak, Sıddıka. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Speech retrieval is a recently emerging field of information retrieval, in which the information is spoken, instead of written. So far, spoken information retrieval has been studied in several languages. In this thesis, ...
  • Speech synthesis using reflection coefficients 
    Bicioğlu, Önder. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    This study outlines a method for transmitting speech using a relatively low bit rate, in comparison to traditional methods. The method is based on the theory of linear Prediction. In this approach speech is represented by ...
  • Speed control of induction motors by power transistors 
    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 ...
  • Speed control of three-phase induction motors by changing air-gap flux 
    Dinçer, Gönül. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1965., 1965.)
    In this paper the speed control of three-phase induction motors by changing the air-gap flux is studied with D.C or Singlephase A.C voltage applied to the auxiliary stator winding. In parts A and B the theoretical concept ...
  • 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 ...
  • Split ring resonators in microwave regime for sensing of reagents in aqueous solutions 
    Çamlı, Berk. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis, design, fabrication, and characterization of different microwave band split ring resonator-based sensors used for sensing of glucose in aqueous solu tions are presented. Following an introduction to ...
  • Spread spectrum digital communications system 
    Kazandır, Bekir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    Spread-spectrum communications, with its inherent interference attenuation capability, has over the years become an increasingly popular technique for use in many different systems. Applications range from antijam systems, ...
  • Stable - matching based resource allocation methods in wireless communication systems 
    Sabuncu Sandal, Yağmur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    As the number of smart devices increases day by day, the need for new resource allocation techniques also increases. 5G technologies such as Long-Term Evolution Advanced (LTE-A), carrier aggregated heterogeneous networks ...

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