Browsing Fen Bilimleri Enstitüsü by Author "Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Elektronik ve Haberleşme Mühendisliği Bölümü"

Now showing items 41-60 of 104

Effects of beam types in the performance of free space optics systems

Tatgın, Deniz (2008)

Bu tezde, birçok hüzme tipini birleştiren bir genel ışık kaynağı formülü geliştirildi. Genel kaynak ışık hüzmesi formulünde farklı paremetre setleri kullanılarak, farklı ışık hüzmelerinin kaynak denklemleri elde edildi. ...
Effects of channel estimation on turbo equalizer performance

Ali Al-Isawi, Ahmed Sami (2014-09)

Equalizer design is an important concept for the wireless communication systems suffering from multipath effects such as ISI. Turbo equalizers are one of the most powerful equalizers introduced several decades ago. For the ...
Effects of degree distribution in rateless coding

Kadhim, Omar Raad (2014-09)

In this thesis rateless codes which are adopted by a variety of applications such as, wireless transmission, 3GPP, data storage, multicasting, video streaming are inspected in details. The performance of two important types ...
Efficient decoding of block codes in DVB-S2 standard

Attar, Ibrahim (2015-05-04)

In this thesis work, decoding algorithms for BCH and LDPC codes used in DVB-S2 standard are implemented in MATLAB environment. For the decoding of LDPC codes, soft decision based belief propagation algorithm is used and ...
Efficient decoding of polar codes

Andi, Alia Ahmed Eletri (2019)

Polar Codes are the first mathematically provable capacity achieving error correcting codes which have low complexity encoding and decoding algorithms. For the decoding of polar codes, as a preliminary decoding algorithm, ...
Fault-tolerant supervisory control of discrete event systems: Methods and examples

Acar, Ayşe Nur (2018-08-12)

Hatalar kontrol edilemeyen olaylardır. Sistemde bir anda meydana gelirler ve sistemin çalışma düzenin negatif yönde etkilerler. Genellikle, ayrık olaylı sistemlerde (DES) hata olması durumunda, ilgili olayların veya ...
Field measurement of 3g base station

Has, Ahmet Can (2010-01-18)

3G mobile communication systems launched after some hardware and software changes on existing systems. After these changes operators have new services for subscribers. In this thesis, our target is to find problems, which ...
General optical beam formulation and their propagation in atmospheric optical telecommunication links

Yazıcıoğlu, Canan (2007-06-12)

In this thesis, we have developed a general source beam to combine many types of different beams such as Bessel, Bessel Gaussian, Laguerre, Laguerre Gaussian, Ince Gaussian, dark hollow, bottle, super Gaussian, Lorentz, ...
Gigabit passive optical networks (gpon) and the network analysis in the fiber to the home (ftth) project applications in Ankara

Onursal, Zafer (2012-10)

In this thesis, the FTTH architectures, which are used by the telecom operators steadily in recent years to provide the increasing subscribers’ expectations, and the application of Gigabit Passive Optical Networks (GPON), ...
Heating effect of electromagnetic fields on human head at gsm frequencies

Türk, Afşar (2010-09-02)

This thesis investigates the heating effect of electromagnetic fields on human head at GSM (Global System for Mobile Communications) frequencies. First of all, existing structure was studied. In this work, the existing ...
Hybrid hyperspectral image compression method by using online dictionary learning based on sparse coding

Ülkü, İrem (2017)

Bu tezde, seyrek kodlama tabanlı çevrimiçi sözlük öğrenme yaklaşımını literatürde ilk kez hiperspektral görüntülerin sıkıştırılması için adapte eden hibrit bir yöntem önerilmiştir. Seyrek kodlama tabanlı çevrimiçi sözlük ...
Improvement of range resolution in passive bistatic radar using fm signals

Alsudanı, Mohammed (2020)

Bu tezde iki yönlü pasif radar sistemlerinde işlem prensiplerini basit ve kavramsal bir şekilde açıklamaya çalışılmıştır. Ardından, sistem gürültüsü, dağınıklık (çok yollu yinelenen yankılar), doğrudan yol sinyali ve ...
In partial fulfillment of the requirements for the degree of master of science in the department of electronic and communication engineering

Mahmood, Sarmad Nozad (2014-06)

Failure-recovery supervisory control for discrete event systems (DES) is concerned with the recovery from faults that impair the desired system behaviors. Hereby, it is required to detect the occurrence of faults using ...
Investigation of makam correlation between Turkish Art Music and Turkish Folk Music

Şenses, Baturhan (2013-09)

This thesis was made in order to understand makam concept mathematically with computer in Turkish music. The histogram and dynamic time warping (DTW) methods were used in this thesis. By using histogram method, similarities ...
Iterative decoding of block codes

Genç, Fatih (2010-09-01)

Error control coding is vital for digital communication. With the advent of turbo codes a huge interest on iterative decoding aroused recently. Although iterative decoding reduces bit error rate (BER) significantly, it ...
Joint source channel coding using trellis coded quantization

Al-Sammarrie, Samir H. Salih (2015-02)

Trellis coded quantization is inspired from trellis coded modulation for better bit efficient quantizer design. In this thesis study we proposed joint communication systems, involving trellis coded quantization, space time ...
Joint structures involving pdsccs, tcm and space time codes

Saeed Al-Kattan, Ahmed Ameer (2015-10)

In this thesis we propose new concatenated joint communication structures involving convolutional product codes, space time codes and trellis coded modulation. The first structure consists of convolutional product codes ...
Line integral representation of fringe waves for perfectly conducting and impedance surfaces

Başdemir, Hüsnü Deniz (2014-05)

In this thesis, surface diffraction was investigated for perfectly conducting and impedance cylinders. Moreover, the line integral representations of fringe fields were derived analytically and generalized with using the ...
Mathematical modelling of log normal turbulance channels

Görse, Serkan (2018-09-04)

Bu tez çalışmasında karmaşık numerik hesap gerektiren matematiksel bir denklemin daha basit ve kapalı formda olan matematiksel bir ifade ile yaklaşık olarak elde edilmesine yönelik bir çalışma sunulmaktadır. Bunun için iki ...
Modeling a thin-film transistor (TFT)

Bozkurt, İbrahim (2015-01)

In this thesis, we studied the working principles and modeling the static current – voltage characteristics of a Thin Film Transistor (TFT). TFTs are extensively used in flat panel displays for switching the pixels. We ...

Now showing items 41-60 of 104

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Browsing Fen Bilimleri Enstitüsü by Author "Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Elektronik ve Haberleşme Mühendisliği Bölümü"

Browsing Fen Bilimleri Enstitüsü by Author "Çankaya Üniversitesi, Fen Bilimleri Enstitüsü, Elektronik ve Haberleşme Mühendisliği Bölümü"

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