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Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu listeleme

Sırala: Sıra: Sonuçlar:

  • Understanding digital signal processing 
    Gazi, Orhan (2018)
  • Uniform asymptotic theory for the edge diffraction of cylindrical waves 
    Umul, Yusuf Ziya (INST Engineering Technology, 2017-12-10)
    The uniform asymptotic theory of diffraction is reintroduced in terms of the Fresnel cylinder function for the diffraction problems of cylindrical waves. The transition function of the above theory, which compensates the ...
  • Uniform boundary diffraction wave theory of Rubinowicz 
    Umul, Yusuf Ziya (Optical Soc Amer, 2010-07)
    Rubinowicz introduced a uniform asymptotic evaluation of the boundary diffraction wave at the transition region [Ann. Phys. (Leipzig) 378, 339 (1924)]. The uniform theory of Rubinowicz is generalized for the improved ...
  • Uniform line integral representation of edge-diffracted fields 
    Umul, Yusuf Ziya (Optical Soc Amer, 2008-01)
    A uniform line integral representation is derived for edge-diffracted fields by using the modified theory of physical optics and uniform asymptotic evaluation methods. The method is applied to the problem of diffraction ...
  • Uniform theory for the diffraction of evanescent plane waves: publisher's note 
    Umul, Yusuf Ziya (Optical Soc Amer, 2007-09)
    A uniform diffracted field is obtained in terms of Fresnel functions with complex argument by subtracting the unit step function from the Fresnel integral. The method is applied to the problem of diffraction of inhomogeneous ...
  • Uniform theory of the boundary diffraction wave 
    Umul, Yusuf Ziya (Elsevier, 2009-04)
    A uniform version of the potential function of the Maggi–Rubinowicz boundary diffraction wave theory is obtained by using the large argument expansion of the Fresnel integral. The derived function is obtained for the problem ...
  • Uniform version of the modified theory of physical optics based boundary diffraction wave theory 
    Umul, Yusuf Ziya (Taylor&Francis Inc, 2008)
    The potential function of the modified theory of physical optics based boundary diffraction wave theory is made uniform by using the principles of the uniform theory of diffraction. The line integration of this new function ...
  • Use of matrix pade approximation in the analysis of ırregularly shaped patch antennas with multiport network model 
    Şener, Göker; Alatan, Lale; Kuzuoğlu, Mustafa (IEEE, 2009)
    A new procedure for implementing the multiport network model for analyzing two-dimensional microwave circuits is proposed. The proposal procedure leads to more efficient evaluation of impedance matrices than the procedure ...
  • Video fire detection - Review 
    Çetin, A. Enis; Dimitropoulos, Kosmas; Gouverneur, Benedict; Grammalidis, Nikos; Günay, Osman; Habiboğlu, Y. Hakan; Töreyin, Behçet Uğur; Verstockt, Steven (Academic Press Inc Elsevier Science, 2013-12)
    This is a review article describing the recent developments in Video based Fire Detection (VFD). Video surveillance cameras and computer vision methods are widely used in many security applications. It is also possible to ...
  • Voronoi Boundary Visibility for Efficient Path Planning 
    Al-Dahhan, Mohammed Rabeea Hashim; Schmidt, Klaus Werner (2020)
    The subject of this paper is the computation of paths for mobile robots that navigate from a start position to a goal position in environments with static obstacles. Specifically, we focus on paths that are represented by ...
  • Wave diffraction by a conductive half-plane between two different media 
    Umul, Yusuf Ziya (Elsevier GMBH, 2019)
    The scattering of waves by a conductive half-screen, which reflects some portion of the incident energy and transmits the remaining part, between two media with different electromagnetic properties is investigated. First ...
  • Wave diffraction by a half-plane for grazing incidence 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-03)
    The diffracted wave, related with a half-plane on which the total field satisfies the Dirichlet boundary condition, becomes zero when the angle of incidence of the incident wave is equal to zero according to the solution ...
  • Wave diffraction by a half-screen with Nth order generalized sheet transition conditions 
    Umul, Yusuf Ziya (Elsevier GMBH, Urban & Fischer Verlag, 2019)
    The scattering of plane waves by a half-plane with Nth order transition conditions is investigated. First of all, the reflection and transmission conditions of the transmissive surface are evaluated by using the generalized ...
  • Wave diffraction by a metallic half-plane 
    Umul, Yusuf Ziya (Elsevier GMBH, 2016)
    The scattering problem of plane waves by a half-screen with different face impedance is obtained with a geometrical optics-physical optics based method. The kernel of the physical optics integral is redefined by using ...
  • Wave diffraction by a perfect electromagnetic conductor wedge 
    Umul, Yusuf Ziya (Elsevier GMBH, 2019-04)
    The scattering of plane electromagnetic waves by a perfect electromagnetic conductor wedge is investigated. The diffraction coefficient of the wedge is obtained by considering the structure of the scattered waves by a whole ...
  • Wave diffraction by a perfect magnetic conductor half-plane between free space and anisotropic plasma 
    Umul, Yusuf Ziya (2020-12)
    The diffraction of magnetic polarized electromagnetic plane waves by a perfect magnetic conductor half-screen, located between free space and anisotropic plasma, is studied. The method of transition boundary is used for ...
  • Wave diffraction by a reflectionless half-plane 
    Umul, Yusuf Ziya (Optical Soc Amer, 2017-11-20)
    The concept of reflectionless surface is put forth, and its reflection and transmission coefficients are determined by using the scattered geometrical optics fields of transmissive and perfectly electric conducting surfaces. ...
  • Wave diffraction by a right-angled interface between resistive half and whole planes 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-02)
    The interaction phenomenon of electromagnetic plane waves by a right angled interface between whole and half screens with different resistivities is studied. The construction, under examination, is considered in order to ...
  • Wave diffraction by a soft/hard strip: Modified theory of physical optics solution 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-03)
    The scattering problem of waves by a strip, the faces of which are composed of soft and hard surfaces, is investigated by the method of modified theory of physical optics. The scattering integral is divided into two parts ...
  • Wave diffraction by a thin lossy dielectric half-plane 
    Umul, Yusuf Ziya (2021-10)
    The scattering of electromagnetic waves by a thin lossy dielectric half-plane is investigated. With this aim, the interaction process of waves with a dielectric layer is studied. The reflection and transmission coefficients ...