Güncel Gönderiler

  • 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. ...
  • 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 ...
  • 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 ...
  • 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 ...
  • CMOS high-performance UWB active inductor circuit 

    Köprü, Ramazan; Momen, Hadi Ghasemzadeh; Yazgı, Metin; Köprü, Ramazan; Saatlo, Ali Naderi (Institute of Electrical and Electronics Engineers Inc., 2016-07-22)
    In order to maximize efficiency of the designed gyrator-based active inductor, advanced circuit techniques are used. Loss and noise are most important features of the AIs, where they should be low enough to have high-performance ...
  • Computer aided high precision Darlington synthesis for real frequency matching 

    Aksen, Ahmet; Yarman, Bekir Sıddık Binboǧa; Köprü, Ramazan; Aydın, Çaǧatay; Atilla, Çağdaş (Institute of Electrical and Electronics Engineers Inc., 2016-08-02)
    In this work, we introduce a high precision synthesis algorithm to include the extraction of finite frequency and right half plane (RHP) transmission zeros of an impedance function as Brune/Darlington Type-C sections. After ...
  • Design and implementation of wideband microwave amplifiers based on Normalized Gain Function 

    Köprü, Ramazan; Kılınç, Sedat; Aksen, Ahmet; Yarman, Bekir Sıddık Binboǧa (Institute of Electrical and Electronics Engineers Inc., 2016-08-02)
    In this work, we introduce the design and implementation of wideband microwave amplifiers based on "Normalized Gain Function (NGF)" method. Normalized Gain Function is defined as the ratio of desired shape or frequency ...
  • Design and realization of wideband matching networks in Richards domain 

    Köprü, Ramazan; Kılınç, Sedat; Yarman, Bekir Sıddık Binboğa (Institute of Electrical and Electronics Engineers Inc., 2016-08-02)
    A broadband matching network design is given with its simulation and prototype measurement results. The circuit contains certain number of cascaded unit-elements (UEs) and open-stubs which behave as Richards capacitors. ...
  • Kernel likelihood estimation for superpixel image parsing 

    Ateş, Hasan Fehmi; Sünetci, Sercan; Ak, Kenan E. (Springer Verlag, 2016)
    In superpixel-based image parsing, the image is first segmented into visually consistent small regions, i.e. superpixels; then superpixels are parsed into different categories. SuperParsing algorithm provides an elegant ...
  • Energy harvesting cooperative multiple access channel with data arrivals 

    Kaya, Onur (Institute of Electrical and Electronics Engineers Inc., 2016-07-12)
    We consider an energy harvesting two user cooperative Gaussian multiple access channel (MAC), where both of the users harvest energy from nature. The data packets arrive intermittently over time. The users overhear each ...
  • Disaster damage assessment for buildings using self-similarity descriptor 

    Kahraman, Fatih; İmamoğlu, Mümin; Ateş, Hasan Fehmi (Institute of Electrical and Electronics Engineers Inc., 2015-11-10)
    Assessment of damage caused by an earthquake is significant for coordinating emergency response teams and planning emergency aid. In this study, a robust method is proposed for detecting damaged buildings using pre- and ...
  • Wideband bandpass filter design for X band horn antenna via numerical techniques 

    Köprü, Ramazan; Aydın, Çağatay; Atilla, Doğu Çagdas; Kılınç, Sedat; Yarman, Bekir Sıddık Binboğa (IEEE Computer Society, 2016-01-07)
    Design of an X band horn antenna and a wideband unit element microstrip bandpass filter (UEBPF) for this antenna are presented with satisfactory agreement between theoretical and simulation results. Numerical methods known ...
  • Designing a new high Q fully CMOS tunable floating active inductor based on modified tunable grounded active inductor 

    Yazgı, Metin; Momen, Hadi Ghasemzadeh; Köprü, Ramazan (Institute of Electrical and Electronics Engineers Inc, 2016-01-28)
    A new Tunable Floating Active Inductor (TFAI) based on modified Tunable Grounded Active Inductor (TGAI) is proposed. Multi regulated cascade stage is used in TGAI to boost gain of input impedance and inductor value thus ...
  • Cooperative multiple access under energy harvesting constraints 

    Su, Nuğman; Kaya, Onur; Ulukuş, Şennur; Koca, Mutlu (Institute of Electrical and Electronics Engineers Inc., 2016-02-23)
    We consider a cooperative multiple access channel (MAC) with two energy harvesting transmitters. The transmitters perform delay constrained transmission, i.e., every information block is encoded, transmitted and decoded ...
  • Distributed wideband power amplifier using reactive coupled line feedback structure 

    Amin, Hamid Yadegar; Özoğuz, Serdar; Köprü, Ramazan; Yarman, Bekir Sıddık Binboǧa (Institute of Electrical and Electronics Engineers Inc, 2016-03-17)
    A wideband and flat gain distributed power amplifier using a GaN high electron mobility (HEMT) transistor has been designed. The frequency range covers 700 MHz to 4.5 GHz. The small signal gain has the average value of 10 ...
  • A low loss, low voltage and high Q active inductor with multi-regulated cascade stage for RF applications 

    Momen, Hadi Ghasemzadeh; Yazgı, Metin; Köprü, Ramazan (Institute of Electrical and Electronics Engineers Inc., 2016-03-23)
    Numerous structural planning of active inductors have been proposed as of not long ago in literature which showing tuning conceivable outcomes, low chip area and offering integration facility, they constitute promising ...

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