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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü by Type "conferenceObject"

Now showing items 1-20 of 47

A Lane Keeping System with a Weighted Preview Measurement

Saraçoğlu, Kıvanç; Üleş, Buğra; Schmidt, Klaus Werner (2018)

This paper proposes a new lane keeping system (LKS) based on a weighted preview measurement. The paper first identifies shortcomings of existing methods that use the sole measurement of lateral displacement error at a ...
A New Companding Technique for Papr Reduction in Ofdm Communication Systems

Gazi, Orhan (2011)

One of the major disadvantages of OFDM communication systems is their high peak-to-average power ratio (PAPR) which degrades system performance when nonlinear power amplifiers are employed. Among the proposed PAPR techniques ...
A New Design of Dual Band Microstrip Bandpass Filter Based On Peano Fractal Geometry: Design and Simulation Results

Mezaal, Yaqeen S.; Eyyuboğlu, Halil T.; Ali, Jawad K. (2013-09)

The proposed filter design topology is based on dual coupled resonators constructed in the form of Peano fractal geometry. A dual-band microstrip bandpass filter with a quasi-elliptic response has been designed for first ...
A Sequential Coding Approach for Short Length LT Codes over A WGN Channel

Abdulkhaleq, Nadhir Ibrahim; Gazi, Orhan (2017)

Luby Transform (LT) codes which can be considered as one of the first type of rate less codes are introduced to be an efficient erasure code. In such codes a fountain of encoded symbols is continuously transmitted ...
Abstraction-Based Control for Not Necessarily Closed Behaviours

Moor, Thomas; Schmidt, Klaus Werner; Wittmann, Thomas (IFAC Secretariat, 2011)

This paper addresses abstraction-based supervisory control for plant and specification behaviours that are not necessarily ω-closed, i.e. plant behaviours that exhibit eventuality properties and specifications that impose ...
Abstraction-Based Modeling and Control For Reconfigurable Machine Tools (RMT)

Khalid, Harith M.; Schmidt, Klaus (2014)
An isolated word speaker recognition system

Özaydın, Selma (IEEE, 2017)

The paper presents a design of an isolated word speaker recognizer system by using the Hidden Markov Model. HTK toolkit is used as a design tool. The system is operated on a closed set of speakers and with a limited ...
Atmospheric Propagation Model and Affecting On Laser Beam Propagation Via Free Space

Khamees, Hussein T. (OSA - The Optical Society, 2017)

In this article, a laser source (He-Ne) laser with maximum output power ( 2.95 mW) was used to study and analyze laser beam when the laser propagates through the atmosphere. Atmosphere layer, also the spot diameter of the ...
BER for Higher Order Laser Modes in Optical Wireless Underwater Communications

Altay Arpalı, Serap; Baykal, Yahya; Arpalı, Çağlar (IEEE, 2016)

Average bit error rate (<BER>) of an underwater optical communication system is analyzed for higher order laser beams. For this purpose, the effects of oceanic turbulence parameters and link parameters on single mode higher ...
Ber of Annular Beams in Strong Turbulence

Gerçekçioğlu, Hamza; Baykal, Yahya; Eyyuboğlu, Halil T. (2010)

Bit error rate (BER) of annular beams is found in strong turbulence. Examining effects of beam and medium parameters on BER reveals that annular beams become favorable in stronger turbulence and at smaller focal lengths.
Comparison of ant colony and fastest path algorithms for fixed and variable number of nodes in multi-hop networks

Preveze, Barbaros; Şafak, A. (2010)

In this study, the fastest path algorithm which is known as a routing method from source to destination and Ant colony method which is known to be adaptable to the dynamic changes in the network are compared for average ...
Comparison of physical optics integral and exact solutions for cylinder problem

Umul, Yusuf Ziya; Yengel, Emre; Aydın, Ayhan (2003)

The sound source composition of the urban sound environment varies depending on the geography and socio-cultural context. Current sound taxonomies in the literature categorize urban sound sources by their source types ...
Design and Application of a Control System For DC Motors Over Power Line

Çolak, Alperen Mustafa; Garip, İlhan; Demirbaş, Şevki (IEEE, 2014)

Communicating high frequency control signals over a power lines is well known and getting popular day by day. This technique is known as power line communication ( PLC) and mostly used to control the loads in short distance. ...
Design of a text ındependent speaker recognition system

Özaydın, Selma (IEEE, 2017)

This paper presents the design of a text independent speaker recognition system based on Mel-Frequency Cepstrum Coefficients and Gaussian Mixture Models. HTK speech recognition toolkit is used in the design of speaker ...
Diffraction of matter waves in time by an absorbing half-screen

Umul, Yusuf Ziya (2010)

In this study, the scattering of matter waves that accompany to the quantum particles by an absorbing half-plane is examined. A quantum shutter, which is opened at an initial time, is proposed to close the semi-infinite ...
Dinamik Dağıtık Gerçek Zamanlı Endüstriyel İletişim Protokolü (d2gep) Gerçekleştirimi

Gözcü, A. K.; Turan, U.; Schmidt, E. G.; Schmidt, K. (2012)
Discrete Event Supervisor Design and Application for Manufacturing Systems with Arbitrary Faults and Repairs

Acar, Ayşe Nur; Schmidt, Klaus Werner (IEEE, 2015)

This paper considers the supervisory control of discrete event systems (DES) that are subject to faults. To this end, an existing method for the fault-recovery and repair of single faults is extended to the case of different ...
Effect of Partial Coherence on MISO FSO Systems

Gökçe, Muhsin Caner; Baykal, Yahya; Uysal, Murat (IEEE, 2015)

Multiple-input single-output (MISO) techniques are employed in free space optical (FSO) systems to mitigate the degrading effects of atmospheric turbulence and therefore the link reliability is improved. In this paper, we ...
Effects of Focused and Collimated Laser Beams on the Performance of Underwater Wireless Optical Communication Links

Keskin, Aysan; Çatmakaş, Ömer Kemal; Genç, Fatih; Baykal, Yahya; Altay Arpalı, Serap; Arpalı, Çağlar (IEEE, 2015)

In this paper, the optical transmittance and bit error rate (BER) of focused and collimated laser beams are experimentally examined in an underwater optical wireless communication link with different water types. The water ...
Effects of Focusing on Scintillations of Higher Order Laser Modes in Non-Kolmogorov Turbulence

Baykal, Yahya (Electromagnetics Acad, 2014)

The scintillation index of focused higher order laser beam propagating in non-Kolmogorov atmospheric turbulence is formulated by employing the Rytov method and the equivalence of the structure constant. Our evaluations are ...

Now showing items 1-20 of 47

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Browsing Elektronik ve Haberleşme Mühendisliği Bölümü by Type "conferenceObject"

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