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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Title

Browsing Elektronik ve Haberleşme Mühendisliği Bölümü Yayın Koleksiyonu by Title

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  • M-2-factor of coherent and partially coherent dark hollow beams propagating in turbulent atmosphere 
    Yuan, Yangsheng; Cai, Yangjian; Qu, Jun; Eyyuboğlu, Halil T.; Baykal, Yahya; Korotkova, Olga (Optical Society of America, 2009-09-28)
    Analytical formula is derived for the M-2-factor of coherent and partially coherent dark hollow beams (DHB) in turbulent atmosphere based on the extended Huygens-Fresnel integral and the second-order moments of the Wigner ...
  • M-ary pulse position modulation performance in non-Kolmogorov turbulent atmosphere 
    Ata, Yalçın; Baykal, Yahya; Gökçe, Muhsin Caner (Optical Soc Amer, 2018-08-20)
    The performance of atmospheric optical wireless communication systems in terms of the bit error rate (BER) is investigated when a Gaussian laser beam propagating in non-Kolmogorov turbulence is M-ary pulse-position-modulated ...
  • Mass gain and loss of non-relativistic electrons in photon-electron interactions 
    Umul, Yusuf Ziya (Springer, 2011-06)
    It is shown that the electrons gain mass as their non-relativistic velocities increase. This process is realized by the absorption of photons in the colliding process. In an inverse manner, they loss their mass when they ...
  • Mathematical modeling of stochastic resonance systems 
    Arlı, A. Çağrı; Gazi, Orhan (2018)
    Knowledge of at which condition in a nonlinear threshold system stochastic resonance phenomena occurs, can be important in noise introduced threshold systems. A new method for mathematical modeling of stochastic resonance ...
  • Mathematical modelling of polar codes, channel combining and splitting 
    Orhan, Gazi (2019)
    In Chap. 2, we explained the decoding of polar codes in a clear and trivial manner. However, in most of the engineering sciences, it is critical to mathematically formulate the theories or techniques invented. © Springer ...
  • MATLAB simulation of multiuser detection in CDMA 
    Eyyuboğlu, Halil T. (World Acad Sci, 2005)
    This paper describes the MATLAB simulation of multiuser detection in code division multiple access (CDMA). To reach low bit error rate (BER) levels within reasonable computation times, the method of importance sampling is ...
  • Matlab Uygulamalı Sayısal Sinyal İşleme 
    Gazi, Orhan (Seçkin Yayınevi, 2019)
    Kitap, gördüğü yoğun ilgi sonucunda kısa sürede 2. Baskısını yapmıştır. Bu kitapta sayısal sinyal işleme konularını Matlab uygulamaları ile ele alınmıştır. Bunun için ilk olarak Matlab komutlarını kısa ve öz bir şekilde ...
  • MD study of energetics, melting and isomerization of aluminum microclusters 
    Böyükata, Mustafa; Güvenç, Ziya B. (Springer, 2006-09)
    Voter and Chen version of an Embedded Atom Model has been applied to study the locally stable structures, energies, melting, isomerization and growth patterns of small aluminum clusters, Al(n), in the size range of n = 2 ...
  • Method of Total Fields for Diffraction Problems between Different Media 
    Başdemir, Hüsnü Deniz (2019)
    In this present study a new method which gives the scattered field by a canonical structure between two different media is introduced. This method is applied to the half-plane with soft boundary condition. The fields are ...
  • Miniaturised microstrip bandpass filters based on Moore fractal geometry 
    Mezaal, Yaqeen S.; Ali, Jawad K.; Eyyuboğlu, Halil T. (Taylor&Francis LTD, 2015-08-03)
    This paper presents new microstrip bandpass filter design topologies that consist of dual edge-coupled resonators constructed in the form of Moore fractal geometries of second and third iteration levels. The space-filling ...
  • Minimization effects on scintillations of sinusoidal Gaussian beams in strong turbulence 
    Gerçekçioğlu, Hamza; Baykal, Yahya (IOP Publishing Ltd, 2011-11)
    Minimization effects on the on-axis scintillation index of cos Gaussian (cG) and cosh Gaussian (chG) beams are studied in strong turbulence. In our formulation, the unified solution of the Rytov method, which imposes spatial ...
  • Minimization of scintillation index against displacement parameters 
    Eyyuboğlu, Halil T.; Gerçekçioğlu, Hamza; Baykal, Yahya (Elsevier Science, 2008-09-01)
    For sinusoidal beams, minimization of scintillation index is carried out against the displacements parameters. It is found-that x-y asymmetric cosh-Gaussian beam fulfills the requirements of such optimum beam. Our minimization ...
  • Mode coupling in vortex beams 
    Eyyuboğlu, Halil T. (Elsevier Science Ltd, 2018-05)
    We examine the mode coupling in vortex beams. Mode coupling also known as the crosstalk takes place due to turbulent characteristics of the atmospheric communication medium. This way, the transmitted intrinsic mode of the ...
  • Modeling of an interface between isorefractive media by a resistive surface 
    Başdemir, Hüsnü Deniz (Optical Soc Amer, 2018-02-20)
    In this study, the scattering of plane waves by a half-plane with different face impedances, which lie between isorefractive media, is analyzed. A new approach for the solution of this scenario is proposed. According to ...
  • Modeling of Photovoltaic Solar Array Under Different Levels of Partial Shadow Conditions 
    Humada, Ali Mahmood; Samsuri, Fahmi B.; Hojabri, Mojgan; Mohamed, Mortaza B.; Bin Sulaiman, Mohd Herwan; Dakheel, Taha Hamad (IEEE, 2014)
    Different methods of configuration have been formulated regarding photovoltaic solar power by employing several techniques. This has been done because of the varying conditions so that the loss of power can be minimized. ...
  • Modified diffraction theory of Kirchhoff 
    Umul, Yusuf Ziya (Optical Soc Amer, 2008-08)
    The diffraction theory of Kirchhoff is reinterpreted and a new form of a surface diffraction integral is developed by using the axioms of the modified theory of physical optics, which leads to the exact scattered fields ...
  • Modified theory of physical optics 
    Umul, Yusuf Ziya (Optical Soc Amer, 2004-10-04)
    A new procedure for calculating the scattered fields from a perfectly conducting body is introduced. The method is defined by considering three assumptions. The reflection angle is taken as a function of integral variables, ...
  • Modified theory of physical optics 
    Umul, Yusuf Ziya (2004-10-04)
    A new procedure for calculating the scattered fields from a perfectly conducting body is introduced. The method is defined by considering three assumptions. The reflection angle is taken as a function of integral variables, ...
  • Modified theory of physical optics and the correction terms of the physical theory of diffraction 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-10)
    The methods of physical optics and physical theory of diffraction are reviewed for electromagnetic waves. The Fermat principle and its' modified version are investigated and the necessity of the introduction of a variable ...
  • Modified Theory of Physical Optics Approach to Diffraction by an Interface between PEMC and Absorbing Half-Planes 
    Umul, Yusuf Z. (2021-07-30)
    The scattering of electromagnetic plane waves by an interface, located between perfect electromagnetic conductor and absorbing half-planes, is investigated. The perfect electromagnetic conductor half-plane is divided into ...