Browsing Fen Bilimleri Enstitüsü by Title

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  • Undrained seismic bearing capacity of surface strip foundations on cohesive slopes 
    Öztürk, Mert. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In recent years, some comprehensive research studies have focused on the issue of the undrained seismic bearing capacity in the eld of the foundation engineering. However, there is no complete and sufficient solution for ...
  • Unit disk graph coloring and its reoptimization 
    Boyacı, Arman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    A unit disk graph (UDG) is a graph of intersection of a set of unit disks in Euclidean plane. Motivated by frequency assignment problem in telecommunication, we consider minimum vertex coloring of unit disk graphs (ColorUDG) ...
  • Unitary group and quantum group invariant q-oscillators and fibonaccization 
    Ünel, N. Gökhan. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1994., 1994.)
    After a review of different types of q-oscillators and the relationship between their creation/ annihilation operators, the derivation of the q generalized version of the LeviCivita tensor (E) is given. The properties of ...
  • Unitary matrix hopf algebras and theta deformed fermion algebra 
    Yıldız, Süleyman Cenk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The Hopf Algebras and their properties are reviewed. It is shown that unitary matrices with non-commutative elements can represent Hopf Algebras, and new matrix algebras were examined to see if they are Hopf Algebras. ...
  • Universal measurement system controller 
    Alp, İlhan Nedim. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    This thesis describes the design and implementation of a measurement instrumentation system controller by using IEEE 488 standard bus (IEEE 488 is also called GPIB General Purpose Interface Bus, within the thesis we will ...
  • Unsupervised 
    Başaran, Osman Tugay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Stress is one of the most important problems of today. Although it seems to be a part of modern human life, it is known to cause serious health problems. Many researchers from different disciplines have been working on ...
  • Unsupervised learning of word alignments for statistical machine translation 
    Mermer, Coşkun. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Word alignment is a crucial first step in learning statistical translation models. In this dissertation, we propose a Bayesian approach to unsupervised learning of word alignments by introducing a sparse prior on the ...
  • Unsupervised routing strategies for conditional deep neural networks 
    Meral, Tuna Han Salih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Deep convolutional neural networks are considered state-of-the- art solutions due to their high classification performance in image classification tasks. The apparent drawback is the amount of computing power required to ...
  • Unsupervised term discovery for sign language 
    Polat, Korhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Current sign language recognition systems rely on supervision for training successful models. However, in order to utilize the large amount of unlabeled sign language resources, unsupervised learning methods are needed. ...
  • Unzipped mediates axon guidance of drosophila melamosgaster mushroom bodies through neuron-neuron and neuron - glia interactions 
    Çevrim, Bahadır Çağrı. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Drosophila mushroom body (MB) neuropil is the regulatory center for learning, memory, and many different behaviors. Besides its functional role, MB is a great model to investigate axon guidance dynamics. The MB consists ...
  • Uranium dioxide neclear fuel element production techniques and evalution of the related studies in Turkey 
    Erbay, Berrin. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
  • Urban cellular wireless network planning with 3D geographical grid structures 
    Özyurt, Murat. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The largest traffic on the Internet is generated by multimedia content, and the share of wireless mobile access to the multimedia content is ever increasing. The delivery process in the content depends on the type of the ...
  • Use of flux balance analysis and metabolomics in the analysis of the respiratory pathway in saccharomyces cerevisiae 
    Dikicioğlu, Duygu. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    BY4743 and the mutants ?HO, ?QDR3, ?MIG1, ?HAP4, ?QCR7, ?RIP1 and ?CYT1 of S. cerevisiae are investigated to improve knowledge on the regulatory mechanism of respiratory chain and construction of a high ethanol production ...
  • Use of glass fiber reinforced polymer (GFRP) for reinforcing in-situ soils 
    Aydın, Hasan Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Ground anchoring is a technique in which slender pre-stressed components are embedded into the in-situ soil or rock to counterbalance the uplift or tensile forces. It is a practical technique which have been used widely ...
  • Use of goals for creating and enacting dynamic contracts in ambient intelligence 
    Işıksal, Ayça. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Ambient Intelligence (AmI) systems support everyday lives of humans by sensing and reacting to the environment when necessary. Devices of the AmI world cooperate with each other to achieve a common task by using the ...
  • Use of precast and prestressed hollow core slabs in construction industry 
    Gündoğdu, Y. Zahit. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1988., 1988.)
    Phy&ical and technical characteristics as well as the design procedures of the prestressed precast hollow core slab and wall elements are studied. It is intended to present for the convenience of practicing engineers, a ...
  • Use of prosody in speech recognition 
    Akarun, Lale. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    Automatic speech recognizers which were once considered as "a dream of mad scientists" have shown considerable success in the last decade. What has made this success possible has been the use of sophisticated mathematical ...
  • Use of seawater as the mix water for concrete 
    Bilici, Senem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    According to the United Nations World Water Development Report in 2018, the global demand for water has been increasing at a rate of about 1% per year over the past decades as a function of population growth and economic ...
  • User clustering in multi cellular millimeter wave noma systems 
    Tuncer, Ahmet Ersel. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Nonorthogonal multiple access (NOMA) su ers from intra-beam interference in addition to inter-beam interference. Therefore, its performance is highly interference limited. However, implementation of NOMA on millimeter wave ...
  • User cooperative communications in ultra-wideband wireless networks 
    Yalçın, Cumhur Ozan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, we consider the user cooperation in ultra-wideband (UWB) systems characterized by severe frequency selective channels. To circumvent this problem we present a space-time (ST) coded UWB system employing the ...

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