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Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu listeleme

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  • Wave diffraction by an impedance wedge 
    Umul, Yusuf Ziya (2020-03)
    A new diffraction field expression is proposed for a wedge with different face impedances. The modified theory of physical optics based diffraction coefficient is taken into account. The reflection coefficients are expressed ...
  • Wave diffraction by material half-planes 
    Umul, Yusuf Ziya (Elsevier GMBH, 2017)
    The diffraction of E-polarized electromagnetic waves by resistive and conductive half planes is studied. The solution of Maliuzhinets for the scattering problem of plane waves from an impedance half-screen is taken into ...
  • Wave diffraction by material half-planes 
    Umul, Yusuf Ziya (Elsevier GMBH, 2017)
    The diffraction of E-polarized electromagnetic waves by resistive and conductive half planes is studied. The solution of Maliuzhinets for the scattering problem of plane waves from an impedance half-screen is taken into ...
  • Wave diffraction by the junction between resistive and soft-hard half-screens 
    Umul, Yusuf Ziya (Elsevier GMBH, 2017)
    The scattering process of planes waves by a junction between resistive and soft/hard half-planes is investigated. First of all, the initial and total geometrical optics fields are determined by considering the related ...
  • Wave interaction with a perfect electromagnetic conductor half plane between two dissimilar media 
    Umul, Yusuf Ziya (Elsevier GMBH, 2019)
    The interaction of electromagnetic plane wave by a perfect electromagnetic conductor half-plane, located between two media with different electromagnetic properties, is investigated. The diffracted waves, related with the ...
  • Wavelet based flickering flame detector using differential PIR sensors 
    Erden, Fatih; Töreyin, Behçet Uğur; Soyer, E.Birey; İnaç, İhsan; Günay, Osman; Köse, Kıvanç; Çetin, A. Enis (Elsevier Science LTD, 2012-10)
    A Pyro-electric Infrared (FIR) sensor based flame detection system is proposed using a Markovian decision algorithm. A differential PIR sensor is only sensitive to sudden temperature variations within its viewing range and ...
  • Wedge diffraction in terms of the method of physical optics 
    Umul, Yusuf Ziya (IEICE-INTS Electronics Express, 2009-01-10)
    The method of physical optics is extended for wedge diffraction. The classical integral of physical optics is taken into account for the diffraction problem of plane waves by a conducting half-plane. The integral is ...
  • Wedge diffraction model in gravitational lensing by cosmic strings 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-03)
    A cosmic string forms a conical topology, which enables a diffraction phenomenon by a wedge with an inner angle, equals to the double of the deficit angle. A wedge, on the edge of which the string is located, is defined ...
  • Wide bandpass and narrow bandstop microstrip filters based on hilbert fractal geometry: design and simulation results 
    Mezaal, Yaqeen S.; Eyyuboğlu, Halil T.; Ali, Jawad K. (Public Library Science, 2014-12-23)
    This paper presents new Wide Bandpass Filter (WBPF) and Narrow Bandstop Filter (NBSF) incorporating two microstrip resonators, each resonator is based on 2nd iteration of Hilbert fractal geometry. The type of filter as ...
  • Wideband hexagonal type antenna design for 5g networks 
    Yıldıran, Orçun; Başdemir, Hüsnü Deniz (IEEE, 2017)
    In this paper, hexagonal type antenna for the next generation (5G) mobile networks is proposed. Both the microstrip feed line and coaxial feed techniques are used to feed the antenna. The best feed point location for both ...
  • Yeniden yapılandırılabilir üretim sistemleri için kontrolcü tasarımı 
    Sülek, Ayşe Nur; Afşar, Kıvanç Uğur; Schmidt, Klaus Werner (Çankaya Üniversitesi, 2013)
    Değişen ürün pazarlarına ve türlerine uyum sağlamak için, hızlı yeniden yapı landırılabilir üretim sistemleri (YUS) günümüz üretim teknolojisine önemli bir ¸çözüm sunmaktadır.Bu makalede, yeniden yapılanmanın hızlı olması ...
  • Young-Kirchhoff-Rubinowicz theory of diffraction in the light of Sommerfeld's solution 
    Umul, Yusuf Ziya (Optical Soc Amer, 2008-11)
    Kirchhoff's theory of diffraction is derived by transforming the exact solution of Sommerfeld into surface integrals for the half-plane problem. It is shown that the exact solution directly yields the integral theorem of ...
  • Zero state doped turbo equalizer 
    Gazi, Orhan; Yılmaz, Ali Özgür (IEEE-Inst Electrical Electronics Engineers Inc, 2007-02)
    Although iterative equalizers perform well at low signal to noise ratios, high latency is a major disadvantage for their use in practical communication systems. In this article we propose zero state doped turbo equalizers ...