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  • Modeling and simulation support to the defense planning process 

    Çayırcı, Erdal; Özçakır, Lütfü (SAGE Publications Inc., 2017-04-01)
    Defense planning is a crucial part of the defense process. It identifies the capabilities required for the future defense environment, analyzes the capability shortfalls, prioritizes them, and provides the fundamental ...
  • Joint space time block code and modulation classification for MIMO systems 

    Bayer, Özgür; Öner, Mengüç (Institute of Electrical and Electronics Engineers Inc, 2017-02)
    Non-cooperative identification of unknown communication signals is a popular research area with widespread civilian and military applications. Multiple input multiple output (MIMO) systems employing multi-antenna transmission ...
  • Low-loss active inductor with independently adjustable self-resonance frequency and quality factor parameters 

    Köprü, Ramazan; Momen, Hadi Ghasemzadeh; Yazgı, Metin; Saatlo, Ali Naderi (Elsevier B.V., 2017-06-01)
    This work presents a new low-loss active inductor whose self-resonance frequency and quality factor parameters can be adjusted independently from each other. In order to achieve this property, a new input topology has been ...
  • Bagging soft decision trees 

    Yıldız, Olcay Taner; Alpaydın, Ahmet İbrahim Ethem; İrsoy, Ozan (Springer Verlag, 2016)
    The decision tree is one of the earliest predictive models in machine learning. In the soft decision tree, based on the hierarchical mixture of experts model, internal binary nodes take soft decisions and choose both ...
  • Computer aided darlington synthesis of an all purpose immittance function 

    Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa; Köprü, Ramazan; Kumar, Narendra Senthil; Aydın, Çaǧatay; Atilla, Doǧu Çaǧdaş; Chacko, Prakash (Istanbul University, 2016)
    This work is the continuation of our high precision immittance synthesis paper series introduced in IEEE TCAS-I. In the present manuscript, we modified the previously introduced high precision Bandpass LC-ladder synthesis ...
  • Battle Damage Assessment based on self-similarity and contextual modeling of buildings in dense urban areas 

    Ateş, Hasan Fehmi; İmamoǧlu, Mümin; Kahraman, Fatih (Institute of Electrical and Electronics Engineers Inc., 2016-11-03)
    Assessment of battle damages is significant both for tactical planning and for after-war relief efforts. In this study damaged buildings are detected using self-similarity descriptor in pre- and post-war satellite images. ...
  • DAG telescope site studies and infrastructure for possible international co-operations 

    Keskin, Onur; Yeşilyaprak, Cahit; Yerli, Sinan Kaan; Aliş, Sinan (Spie-Int Soc Optical Engineering, 2016)
    The selected site for the 4 m DAG (Eastern Anatolian Observatory in Turkish) telescope is at "Karakaya Ridge", at 3170 m altitude (3150 m after summit management). The telescope's optical design is performed by the DAG ...
  • Construction of the Nodal Conductance Matrix of a Planar Resistive Grid and Derivation of the Analytical Expressions of its Eigenvalues and Eigenvectors using the Kronecker Product and Sum 

    Tavşanoğlu, Ahmet Vedat (IEEE, 2016-08-11)
    This paper considers the task of constructing an (MxN+1)-node rectangular planar resistive grid as: first forming two (MxN+1)-node planar sub-grids; one made up of M of (N+1)-node horizontal, and the other of N of (M+1)-node ...
  • A new high performance CMOS active inductor 

    Köprü, Ramazan; Momen, Hadi Ghasemzadeh; Yazgı, Metin; Saatlo, Ali Naderi (IEEE, 2016)
    A new high-performance active inductor with ability to tune its self-resonance frequency and quality factor without affecting each other is presented in this letter. Using the input transistor of active inductor in cascoding ...
  • A method for low-pass filter designing by commensurate transmission lines 

    Köprü, Ramazan; Momen, Hadi Ghasemzadeh (IEEE, 2016)
    It is well known that the complex Richards-Plane is a transformed domain of Laplace-Plane which is obtained under a tangent hyperbolic mapping. Network functions generated in terms of Richards's frequency are periodic in ...
  • Energy harvesting cooperative multiple access channel with decoding costs 

    Kaya, Onur; Arafa, Ahmed M.; Ulukuş, Sennur (IEEE, 2016)
    We consider an energy harvesting cooperative multiple access channel (AC) with decoding costs. In this setting, users cooperate at the physical layer (data cooperation) in order to increase the achievable rates. Data ...
  • Status of the Focal Plane Instrumentation (FPI) Project of the 4 m DAG Telescope 

    Keskin, Onur; Yerli, Sinan Kaan; Yeşilyaprak, Cahit; Güver, Tolga; Alis, Sinan; Yelkenci, Filiz Korhan; Güçsav, Bülent Bülent; Arabacı, Mehtap O.; Erol, Ayşe (Spie-Int Soc Optical Engineering, 2016)
    DAG (Eastern Anatolia Observatory in Turkish) will be the newest and largest (4m) observatory of Turkey in both optical (VIS) and near-infrared (NIR) Owith its robust observing site infrastructure. The telescope is designedOto ...
  • Multiband matching network design via transformation based real frequency approach 

    Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboǧa (IEEE, 2016)
    In this paper, a new method is presented for multiband matching network design. Low pass to band pass (LP-BP) frequency transformation is incorporated with the parametric Real Frequency Technique (RFT) for creating multiband ...
  • Dual band matching network design via real frequency technique by mapping from a band pass prototype 

    Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboǧa (IEEE, 2016)
    In this study, a new method of design for dual band matching network is presented. A transformer-less Band Pass (BP) prototype matching network is synthesized with well-known Simplified Real Frequency Technique (SRFT) via ...
  • FSRFT - Fast simplified real frequency technique via selective target data approach for broadband double matching 

    Köprü, Ramazan (IEEE, 2017-02)
    This brief introduces a broadband double-matching (DM) solver called fast simplified real frequency technique (FSRFT). FSRFT is essentially a greatly accelerated variant of the well-known classical simplified real frequency ...
  • Simultaneous scheduling of football games and referees using Turkish league data 

    Atan, Sabri Tankut; Hüseyinoǧlu, Olgu Pelin (Blackwell Publishing Ltd., 2017-05-01)
    Assignment decisions of referees to football (soccer) games are highly debated in sports media. Referee assignments are typically done on a weekly basis as the league progresses. However, this practice ignores important ...
  • Design and realization of 8-12 GHz cascaded unit element microstrip filter for X-band 

    Köprü, Ramazan; Atilla, Doǧu Çaǧdaş; Aydın, Çaǧatay; Kılınç, Sedat; Yarman, Bekir Sıddık Binboğa (IEEE, 2016)
    Design of a wideband cascaded unit element microstrip bandpass filter (UEBPF) operating along the whole X-band (8-12 GHz) is presented with satisfactory agreement between theoretical and measurement results. Simplified ...
  • Agile development approach for the observatory control software of the DAG 4m telescope 

    Keskin, Onur; Güçsav, Bülent; Çoker, Deniz; Yeşilyaprak, Cahit; Zago, Lorenzo; Yerli, Sinan Kaan (SPIE-Int Soc Optical Engineering, 2016)
    Observatory Control Software for the upcoming 4m infrared telescope of DAG (Eastern Anatolian Observatory in Turkish) is in the beginning of its lifecycle. After the process of elicitation-validation of the initial ...
  • The DAG Project, a 4m class telescope: The telescope main structure Performance 

    Keskin, Onur; Marchiori, Gianpietro; Busatta, Andrea; Ghedin, L.; Marcuzzi, Enrico; Manfrin, Cristiana; Battistel, C.; Pirnay, Olivier; Flebus, Carlo; Yeşilyaprak, Cahit; Yerli, Sinan Kaan (SPIE, 2016)
    Dogu Anatolu Gözlemevi (DAG-Eastern Anatolia Observatory) Project is a 4m class optical, near-infrared Telescope and suitable enclosure which will be located at an altitude of 3.170m in Erzurum, Turkey. The DAG telescope ...
  • A microwave kinetic inductance detector for the DAG telescope 

    Keskin, Onur; Güver, Tolga; Mazin, Benjamin A.; O'Brien, Kieran S.; Kay, Burak; Aliş, Sinan; Yelkenci, F. Korhan; Yeşilyaprak, Cahit; Yerli, Sinan Kaan; Erol, Ayşe (SPIE, 2016)
    We present the details of a proposed microwave kinetic inductance detector (MKID) for the DAG (Eastern Anatolia Observatory in Turkish) telescope, DAG-MKID. The observatory will have a modern 4m size telescope that is ...

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