DSpace@Çankaya

Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü listeleme

Başlık için Elektronik ve Haberleşme Mühendisliği Bölümü listeleme

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  • Radar cross section of a conducting flat plate by the method of modified theory of physical optics 
    Çınar, Ayşe Tila (2010-09-02)
    In this thesis, reflected scattered fields from a conducting rectangular flat plate, and its edges and corners are observed, calculated and analyzed by using the Method of Modified Theory of Physical Optics. In the ...
  • Radiation from parabolic type radio link antennas 
    Kılıç, Gamze (Çankaya Üniversitesi, 2016)
    In this thesis, the fields scattering from parabolic reflectors with perfectly electric surface (PEC) have been investigated. The parabolic reflector surface illuminated by a point source located at focus. In order to find ...
  • Radius of curvature of bessel-gaussian beam 
    Akkoyun, Sıdıka Türkan (2012-09)
    In this thesis, for a turbulent atmosphere, the radius of curvature of Bessel- Gaussian beam is formulated. For various order of Bessel-Gaussian beam of the first kind, the source size, propagation distance, wavelength, ...
  • Radius of curvature of laguerre-gaussian beam 
    Çay, Saim (2012-09)
    In this thesis, the radius of curvature of Laguerre-Gaussian beam is formulated for turbulent atmosphere and analyzed numerically for various radial and angular mode numbers, the source size, propagation distance and ...
  • Recursive two-stage evolutionary programming based on similarity measures 
    Önal, Turgut (2013-02)
    This thesis is devoted to deeper research about the characteristics of the Metaheuristic search algorithm “Recursive Two-Stage Evolutionary Programming” (RTEP). This algorithm is a powerful Metaheuristic where only mutation ...
  • Regulation and competition aspects of wimax services in Turkey 
    Tilkioğlu, Ahmet Kerem (2009-09-01)
    In recent years, especially the last decade, Broadband Wireless Access (BWA) Services have been rapidly developed and deployed to the world step by step. Nowadays, this development leads authorities to the field of ...
  • Relay selection and distributed code design for cooperative communication systems 
    Radie Al-Khayyat, Ahmed Hussein (2016)
    Despite the advantage of multiple-input multiple-output (MIMO) systems, nevertheless mobility, size, or other constraints of mobile devices prevent the use of such systems. Also the complexity (multiple radio-frequency ...
  • Resource allocation for underlay cognitive radio networks 
    Al-Janami, Muthana Hatem Dahham (2019)
    Cognitive Radio (CR) has appeared as one of the solutions to mitigate the spectrum scarcity problem. One of areas that has suffered from spectrum scarcity is Wireless Body Area Networks (WBAN). It is possible to use CR ...
  • Satellite based passive radar system 
    Ünal, Nihat Mert (2019)
    Bu tezde uydu tabanlı pasif radarların elektromanyetik yayılımı incelenmiştir. Uydudan yayılan elektromanyetik alanlar tüm atmosferi geçecek ve hedeften saçılacaktır. Bu hedefler sivil uçak ve görünmez savaş ...
  • Scattering of inhomogeneous plane waves by a cylindrical reflector 
    Sarıçoban, Mehmet Ceyhun (2020)
    Bu tezde inhomojen dalgalar ile aydınlatılmış mükemmel manyetik iletken yüzeye sahip silindirik reflektörden saçılan alanlar incelenmiştir. Yapılan incelemede, akım bazlı metodların bir tanesi olan fiziksel optik metodu ...
  • Scattering waves by a cylindrical conductive surface 
    Yaylak, Refik Koray (2022)
    Elektromanyetik dalgaların saçılması, elektromanyetik dalgaların bir yüzeyle etkileşime girdiğinde yön veya frekans değiştirmesi sürecidir. Bu saçılma olayı, yüzeyin elektromanyetik dalgaları yansıtması ve kırması sonucu ...
  • Ship detection and classification using type of convolution neural networks 
    Kunt, Yusuf (2020)
    Gemi sınıflandırma ve tanıma sistemleri, denize kıyısı ve boğaz geçişleri yoğun olan ülkeler de ulusal ve yerel savunma, gemi trafik kontrolü, kaçak balıkçılık, korsan, insan tacirleri ve küresel ticaret zinciri gibi sorun ...
  • Simulation of free space optical links under different atmospheric conditions 
    Öztürk, Korhan (2011-08-28)
    This thesis contains a feasibility study for the free space optical links, which would be installed in Turkey. In first chapters, some basic information and the background theory of the atmospheric channel are given. ...
  • Simulative and real time DC motor speed control 
    Mahmood, Ahmed Imad (2016)
    DC motor velocity control is one of the most commonly encountered control applications in literature as DC machines are exclusively used in industrial applications. The DC motors are assumed to have linear and stable ...
  • Simulative and real time stabilization and control of the cart-pendulum system 
    Tahseen Sedeeq, Fidan (2016)
    Arabalı sarkaç sisteminin doğrusal olmayan bir dinamiği bulunmaktadır ve matematiksel modeli yüksek dereceli türevsel denklemlerle ifade edilmektedir. Ayrıca bu sistemin, bazı kontrol uygulamalarında kararsız denge ...
  • Smart vehicle security and tracking system 
    Al-Adhami, Yasir Isam (2014-09-23)
    The smart vehicle system is a simple system device. Users can install this system device in their vehicles and use it without any difficulty. It is active for any smartphone that can use Google Maps, and send and receive ...
  • Spatial methods for direction of arrival estimation and hardware implementation 
    Taşyürek, Gamze (2020)
    Bu tezde varış tahmin yönü için mekânsal yöntemler ve donanım uygulamaları çalışılmıştır. Sinyallerin varış yönünün tahmini, radar, sonar, akustik, astronomi ve iletişim teknolojileri gibi farklı alanlarda yaygın olarak ...
  • Spectral analysis of ECG signals for pre-diagnosis of heart diseases 
    Al-Jada, Omar Saad Abdulqader (Çankaya Üniversitesi, 2018)
    In this thesis we used the three cases for diagnosis of the heart attacks. The first case is healthy persons, second case is non healthy persons and the last one is unknown persons. For detection of them we used the ...
  • String stability analysis of Cooperative Adaptive Cruise Control (CACC) with actuator saturation 
    Bingöl, Hilal (Çankaya Üniversitesi, 2017)
    Intelligent transportation systems aim at improving the efficiency and safety of transportation. In dense traffic, vehicles are aggregated to vehicle strings that travel on the same lane, whereby it is desired to maintain ...
  • Study and design of mimo - ofdm system operating over wireless channel 
    Hammadi, Yousif Ibrahim (2013-10)
    In this thesis, a new MIMO-OFDM model has been introduced. The performance of this model using PSK and QAM digital modulations for different antenna configura-tions is analyzed and evaluated under Rayleigh fading channel. ...