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  • Dual band filter design using real frequency technique and frequency transformation 

    Yıldız, Serkan; Aksen, Ahmet; Bekir Sıddık, Binboğa Yarman (Istanbul Univ, Fac Engineering, Elektrik-Elektronik Muhendisligi Bolumu, 2017)
    In this work, we present a frequency transformation based dual-band filter design approach using scattering based real frequency technique. In the design process, conventional low-pass to band-pass frequency transformation ...
  • Modelling thermally induced deformations on tool during turn-milling 

    Karagüzel, Umut; Bakkal, Mustafa; Budak, Erhan (Gazi Univ, Fac Engineering Architecture, 2017)
    It is possible to increase the machined workpiece accuracy and productivity during turn-milling operation by modeling the cutting forces and thermally induced deformations on cutting tool. In order to achieve this task, ...
  • Cyclostationarity based blind block timing estimation for alamouti coded MIMO signals 

    Öner, Mengüç; Gül, Serhat; Çırpan, Hakan Ali (IEEE, 2017-06)
    Blind parameter estimation algorithms provide a powerful tool for application scenarios where the use of training or pilot sequences is not desirable, e.g., in order to improve the bandwidth efficiency of the transmission, ...
  • Design of a global extremum seeking algorithm for an omni-directional robot model 

    Dinçmen, Erkin (Romanian Soc Control Tech Informatics, 2017-06)
    A global extremum seeking algorithm is developed for a mobile robot model where the aim is to find the location of the most powerful signal source among the others. In other words, the control problem is to seek the global ...
  • 3-dimensional pre- and post-fire comparison of forest areas 

    Akca, Devrim; Stylianidis, Efstratios; Poli, Daniela; Gruen, Armin; Altan, Orhan; Hofer, Martin; Smagas, Konstantinos; Martin, Victor Sanchez; Garcia, Alejandro; Jimeno, Elisa; Walli, Andreas (International Society for Photogrammetry and Remote Sensing, 2018-03-06)
    Forest agencies give special attention to forest fires where post-disaster loss can rarely be gauged in a quick and economic way unless an appropriate technology is adopted. Determination of the planimetric and volumetric ...
  • Microwave engineering expertise in Turkey [around the globe] 

    Binboǧa Yarman, Bekir Sıddık; Palamutçuoğulları, Osman; Kaya, İlker; Kızılbey, Oǧuzhan; Aksen, Ahmet; Akın, Tayfun; Özkan, Z. Levent; Oksar, İrfan; Nesimoǧlu, Tayfun (Institute of Electrical and Electronics Engineers Inc., 2018-05)
    Reports on the status of microwave education and technological development in Turkey.
  • Multi-hypothesis contextual modeling for semantic segmentation 

    Ateş, Hasan Fehmi; Sünetci, Sercan (Elsevier Science Bv, 2019-01-01)
    Semantic segmentation (i.e. image parsing) aims to annotate each image pixel with its corresponding semantic class label. Spatially consistent labeling of the image requires an accurate description and modeling of the local ...
  • A tree-based approach for English-to-Turkish translation 

    Bakay, Özge; Avar, Begüm; Yıldız, Olcay Taner (Tubitak Scientific & Technical Research Council Turkey, 2019)
    In this paper, we present our English-to-Turkish translation methodology, which adopts a tree-based approach. Our approach relies on tree analysis and the application of structural modification rules to get the target side ...
  • Logistic network design for post-earthquake planning: A case study for Umraniye district under different earthquake scenarios 

    Temur Tekin, Gül; Turgut, Yelda; Yılmaz, Abdurrahman; Arslan, Şafak; Camcı, Alper (Pamukkale Univ, 2019)
    In this study, a logistic network design for post-earthquake planning was developed. The purpose of this design is to develop a plan that enables earthquake survivors to access to basic humanitarian needs in the shortest ...
  • Compressive spectral renormalization method 

    Bayındır, Cihan (Turkic World Mathematical Soc, 2018-01-01)
    In this paper a novel numerical scheme for finding the sparse self-localized states of a nonlinear system of equations with missing spectral data is introduced. As in the Petviashivili's and the spectral renormalization ...
  • An observation based muscle model for simulation of facial expressions 

    Erkoç, Tuğba; Ağdoğan, Didem; Eskil, Mustafa Taner (Elsevier Science Bv, 2018-05)
    This study presents a novel facial muscle model for coding of facial expressions. We derive this model from unintrusive observation of human subjects in the progress of the surprise expression. We use a generic and ...
  • Current inverting metamutator, its implementation with a new single active device and applications 

    Minayi, Elham; Göknar, İzzet Cem (2018-10)
    A new kind of metamutator, namely "Current Inverting Metamutator", its realizations using different types of active blocks and some of its applications like voltage-mode universal biquadratic filter with three input and ...
  • Real Time Electrocardiogram Identification with Multi-modal Machine Learning Algorithms 

    Waili, Tuerxun; Nor, Rizal Mohd; Sidek, Khairul Azami; Rahman, Abdul Wahab Bin Abdul; Güven, Gökhan (Springer International Publishing AG, 2018-01-01)
    Weaknesses in conventional identification technologies such as identification cards, badges and RFID tags prompts attention to biometric form of identification. Biometrics like voice, brain signal and finger print are ...
  • Project management and status update for DAG (Eastern Anatolia Observatory) the 4 meter VIS/IR optical telescope 

    Keskin, Onur; Yeşilyaprak, Cahit; Jolissaint, Laurent (SPIE-Int Soc Optical Engineering,, 2018-01-01)
    The new 4 m Turkish telescope, DAG (East Anatolian Observatory, Fig. 2), will be located on the summit of the mountain Konakli-Karakaya, at an altitude of 3170 m, near the city of Erzurum, Turkey. First light is expected ...
  • Production of M1, M2 and M3 mirrors for DAG project (Belgium, Russia). Current status 

    Abdulkadyrov, Magomed A.; Semenov, Aleksandr P.; Belousov, Sergey P.; Vladimirov, Nikita M.; Ignatov, Aleksandr N.; Patrikeev, Vladimir E.; Pridnya, Vitaliy V.; Polyanchikov, Andrey V.; Nasyrov, Ruslan K.; Pirnay, Olivier; Flebus, Carlo; Yeşilyaprak, Cahit; Keskin, Onur (SPIE-Int Soc Optical Engineering, 2018-01-01)
    This paper describes the technology of production and testing of mirrors for DAG Telescope (Doge Anadolu Gozlemevi) produced by Belgium Company AMOS. JSC LZOS fulfils works on production and testing of three mirrors: primary ...
  • In Flange Derotator Design for the 4m DAG telescope 

    Ünal, Ali Cem; Sarajlic, Mirsad; Jolissaint De Sepibus, Laurent; Keskin, Onur; Yeşilyaprak, Cahit; Baudet, Jeremie (SPIE-Int Soc Optical Engineering, 2018)
    The field rotation effect can be described as observing the gyration of an object with the pupil of the Eastern Anatolian Observatory (DAG) telescope around the optical axis under the influence of the latitude of the ...
  • DAG 4m telescope: Assembly, integration and testing 

    Pirnay, Olivier; Lousberg, Grégory P.; Gabriel, Eric; Marchiori, Gianpietro; Busatta, Andrea; Yeşilyaprak, Cahit; Keskin, Onur (SPIE-Int Soc Optical Engineering, 2018-01-01)
    AMOS with EIE as a main subcontractor, was awarded a contract in November 2014 for the design, manufacturing and installation of a 4m-class telescope for the Turkish Eastern Anatolia Observatory (DAG) situated at 3170 m ...
  • DAG-TGI: Turbulence Generator Instrument for DAG (Eastern Anatolia Observatory) 

    Yeşilyaprak, Cahit; Keskin, Onur; Akbulak, Ümit Bora; Tezcan, Cihan Tuğrul; Güvenir, Furkan; Aydemir, Ömer Faruk (SPIE-Int Soc Optical Engineering, 2018-01-01)
    DAG (East Anatolia Observatory) Telescope has 4 m mirror with active optics (a0) and adaptive optics (AO) systems. In order to evaluate DAG's focal plane instruments and their installation, calibration and laboratory ...
  • A flexible adaptive optics concept for general purpose high angular resolution science on the DAG 4m telescope 

    Jolissaint, Laurent; Bouxin, Audrey; Gökay, Ulaş Sabahattin; Keskin, Onur; Rigaut, Francois; Yeşilyaprak, Cahit (SPIE-Int Soc Optical Engineering, 2018-01-01)
    Thanks to the availability of high actuator density deformable mirrors (ALPAO 468 DM), the high versatility of the pyramid wavefront sensor and above all, the venue of essentially no noise EMCCD detectors, it becomes ...
  • A multilayer annotated corpus for Turkish 

    Yıldız, Olcay Taner; Ak, Koray; Ercan, Gökhan; Topsakal, Ozan; Asmazoğlu, Cengiz (IEEE, 2018-01-01)
    In this paper, we present the first multilayer annotated corpus for Turkish, which is a low-resourced agglutinative language. Our dataset consists of 9,600 sentences translated from the Penn Treebank Corpus. Annotated ...

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