Browsing OzU Theses & Dissertations by Author "Uğurdağ, Hasan Fatih"
Now showing items 1-20 of 36
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A 1GS/S, 9-BIT DAC I interleaved (2+1)-bit then 2-bit per cycle, reference free SAR ADC
El-Sawy, Salma H. (2019-01-02)This work presents a high speed, medium resolution Successive Approximation Register Analog to Digital Converter (SAR ADC) designed for low-noise, low- power satellite transceiver applications. The proposed system is a ... -
Automated refinement of models for model-based testing
Gebizli, Ceren Şahin (2017-07)Model-Based Testing (MBT) enables automatic generation of test cases based on models of a system. It has been successfully applied in various application domains, each of which might introduce specific challenges. In this ... -
Blood coagulation time measurements using 400 MHz thickness mode resonator
Majidi, Negar (2018-08)This thesis presents a novel blood coagulation time measurement methodology which requires as low as 1 L of whole blood. The method performs measurements using whole blood without plasma separation. In this regard, the ... -
Channel modeling and characterization for visible light communications: indoor, vehicular and underwater channels
Miramirkhani, Farshad (2018-06)Despite the increasing attention on visible light communications (VLC) systems, there is a lack of proper visible light (VL) channel models. This is a serious concern since channel modeling is the very first step for ... -
Colour gamut enhancement with remote light conversion mechanism
Sezer, Yusuf Sinan (2018-01)The colour gamut of liquid crystal displays (LCDs) depends on the backlight unit spectrum. For the light emitting diode (LED) based backlight units, either phosphors or quantum dots are used to convert the blue light of ... -
Design and construction of the fundamental tools for single atom experiments
Neutral atoms are one of the most promising systems for quantum information and quantum engineering, in general. Full and efficient control over cold atoms and their interactions with light has been a challenging and ... -
Design of high gain wideband quad-ridged horn antenna for emc testing
Solak, Bekir (2017-06)This thesis presents a design and simulation of high gain wideband quad-ridged circular horn antenna for Electromagnetic Compatibility (EMC) testing. The selected operating frequency range of the antenna is from 1 GHz to ... -
Development of an accelerated Monte Carlo ray tracing based radiation heat transfer solver
Siddiqui, Faizan Pervez (2017-07)The Monte Carlo ray tracing (MCRT) is a semi-analytical stochastic method for the solution of radiative transfer equation (RTE). However, its high computation cost prevents its extensive use. In this study, an accelerated ... -
An efficient algorithm for disparity map compression based on spatial correlations and its low-cost hardware architecture
This thesis proposes a low-cost Disparity Map (DM) compression algorithm and its hardware architecture for high resolution and high frame rate applications, where limited computational capacity and power consumption make ... -
Efficient methodologies for actualizing haptic feedback in consumer electronics
Kirişken, Barbaros (2021-06-11)There are significant limitations to creating effective haptic illusions in mobile devices such as tablets and smartphones. The main limitations are that these devices are too small in size to accommodate complex actuators ... -
Energy consumption modeling and optimization of speed profile for plug-in electric vechiles
Tasooji, Tohid Kargar (2018-05)In recent years, there is a surge in research on Plug-in Electric Vehicles (PEVs), as PEVs are one of the ways that we can reduce carbon emissions. Dramatic cost reduction in PEVs has resulted in their becoming mainstream ... -
FPGA implementation of a dense optical flow algorithm using altera OpenCL SDK
Ulutaş, Umut (2017-08)FPGA acceleration of compute-intensive algorithms is usually not regarded feasible because of the long Verilog or VHDL RTL design efforts they require. Data-parallel algorithms have an alternative platform for acceleration, ... -
FPGA implementation of OFDM based VLC
This thesis presents the Field Programmable Gate Array (FPGA) based implementation of Orthogonal Frequency Division Multiplexing (OFDM) for a Visible Light Communication (VLC) System. This happens to be the Single-Input ... -
HC-FFT : highly configurable and efficient FPGA ımplementation of FFT
Ergül, Pakize (2021-01-14)Fast Fourier Transform (FFT) is an efficient implementation of DFT. It is a ubiqui-tously used building block in a wide array of signal processing systems. In general-purpose applications such as spectral monitoring and ... -
High level synthesis for rapid design of video processing pipes
Güzel, Aydın Emre (2017-01)Pipelining concept is a fundamental technique in digital hardware design, which maximizes the clock frequency or minimizes the resources. Designing a pipelined Field Programmable Gate Array (FPGA) module using pipelined ... -
Image fusion hardware implementation with an optimized reduction circuit
Aydın, Furkan (2018-08)In this thesis, the hardware implementation of a real-time image fusion algorithm using a High-Level Synthesis (HLS) tool is presented. Image fusion combines two or more images through a color transformation process. Di ... -
Investigation on the effects of dc-link capacitors to DC/AC converter under various operation conditions
Bilgin, Mert Serdar (2019-05-29)In the designing stage of a DC/AC converter, determining parameters of components has an essential role such as value, size and material type. DC-Link capacitors are the critical components for DC/AC converters and define ... -
Limetime: linear model of electric trains including motor efficiency
To implement an optimization method that aims to increase energy efficiency, the definition of the vehicle model is crucial to calculate results that can be used in the real-world environment. Component behavior and ... -
Localization of biopsy needles in 2D ultrasound images using gabor filter
Kaya, Mert (2015-06)Needle Biopsies are common medical procedures to remove tissue samples from the body to be examined for diseases. During these procedures, the needle and its tip are tracked using medical imaging devices to avoid damage ... -
M-pick fixed-priority selection and muxing
Tosun, Mustafa (2017-01)In this thesis, we propose a class of logic architectures for multi-pick (m-pick) fixed-priority arbitration (FPA) and muxing. An m-pick FPA selects the m topmost requests out of n inputs with priority order. Arbiters ...
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