Browsing Dept. of Electrical and Electronics Engineering - Ph.D. / Sc.D. by Title
Now showing items 34-53 of 135
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EBL fabricated plasmonic nanostructures for sensing applications
(Bilkent University, 2013)Plasmonics is a major branch of photonics dealing with light-matter interactions in metallic nanostructures. Plasmonic devices provide extreme confinement of electromagnetic oscillations to very small volumes beyond diffraction ... -
Effect of burst assembly over TCP performance in optical burst switching networks
(Bilkent University, 2006)Optical Burst Switching (OBS) is proposed as a short-term feasible solution that is capable of efficiently utilizing the optical bandwidth of the future Internet backbone. Performance evaluation of TCP traffic in OBS ... -
Effective preconditioners for iterative solutions of large-scale surface-integral-equation problems
(Bilkent University, 2010)A popular method to study electromagnetic scattering and radiation of threedimensional electromagnetics problems is to solve discretized surface integral equations, which give rise to dense linear systems. Iterative ... -
Effects of auditory attention on language representation across the human brain
(Bilkent University, 2019-09)Humans can effortlessly identify target auditory objects during natural listening and shift their focus between different targets. Unique allocation of brain resources would be inefficient for semantic search task. Here, ... -
Electric field dependent optoelectronic nature of InGaN/GaN quantum structures and devices
(Bilkent University, 2012)In the past two decades we have been witnessing the emergence and rapid development of III-Nitride based optoelectronic devices including InGaN/GaN light-emitting diodes (LEDs) and laser diodes with operation ... -
Error resilient stereoscopic video streaming using model-based fountain codes
(Bilkent University, 2009)Error resilient digital video streaming has been a challenging problem since the introduction and deployment of early packet switched networks. One of the most recent advances in video coding is observed on multi-view ... -
Excitonics of colloidal nanocrystals for next-generation optoelectronics
(Bilkent University, 2016-05)Owing to the tremendous progress in the past decade, semiconductor nanocrystals that are grown by low-temperature solution-phase epitaxy have evolved into highly promising material systems for optoelectronics with ever ... -
An execution triggered coarse grained recongigurable architecture
(Bilkent University, 2012)In this thesis, we present BilRC (Bilkent Reconfigurable Computer), a new coarse-grained reconfigurable architecture. The distinguishing feature of BilRC is its novel execution-triggering computation model which allows ... -
Fabrication and optimization of rf-SQUID and SQUID integration assembly for high resolution magnetic imaging systems
(Bilkent University, 2005)Superconducting QUantum Interference Devices or SQUIDs are by far the most sensitive devices known for sensing magnetic flux down to a resolution of about 10−21Wb and finds innumerous applications in various fields. In ... -
Fast algorithms for linear and nonlinear microwave circuit simulation
(Bilkent University, 1994)A new method is proposed for dominant pole-zero (or pole-residue) analysis of large linear microwave circuits containing both lumped and distributed elements. This method is based on a multipoint Fade approximation. It ... -
Fire detection algorithms using multimodal signal and image analysis
(Bilkent University, 2009)Dynamic textures are common in natural scenes. Examples of dynamic textures in video include fire, smoke, clouds, volatile organic compound (VOC) plumes in infra-red (IR) videos, trees in the wind, sea and ocean waves, ... -
Fixed order controller design via parametric methods
(Bilkent University, 2003)In this thesis, the problem of parameterizing stabilizing fixed-order controllers for linear time-invariant single-input single-output systems is studied. Using a generalization of the Hermite-Biehler theorem, a new ... -
Foraging motion of swarms as nash equilibria of differential games
(Bilkent University, 2016-09)The question of whether foraging swarms can form as a result of a non-cooperative game played by individuals is shown here to have an affirmative answer. A dynamic (or, differential) game played by N agents in one-dimensional ... -
A framework for handling connectionless services in ATM networks
(Bilkent University, 1997)ATM networks, which are connection-oriented transport inediums, are well-suited to handle interactive and real-time applications such as telephony and video conferencing. However, they will be underutilized if used ... -
Gain variation and noise figure degradation in balanced amplifiers
(Bilkent University, 2017-07)Although using balanced amplifiers in modern wireless communication systems has many advantages, the output and the noise response of the balanced ampli- fiers may vary from the expected value considerably due to the ... -
Generalized filtering configurations with applications in digital and optical signal and image processing
(Bilkent University, 1999)In this thesis, we first give a brief summary of the fractional Fourier transform which is the generalization of the ordinary Fourier transform, discuss its importance in optical and digital signal processing and its ... -
High throughput decoding methods and architectures for polar codes with high energy-efficiency and low latency
(Bilkent University, 2017-11)Polar coding is a low-complexity channel coding method that can provably achieve Shannon’s channel capacity for any binary-input discrete memoryless channels (B-DMC). Apart from the theoretical interest in the subject, ... -
High-performance AlxGA1-xN-Based UV photodetectors for visible/solar-blind applications
(Bilkent University, 2004)High-performance detection of ultraviolet (UV) radiation is of great importance for a wide range of applications including flame sensing, environmental (ozone layer) monitoring, detection of biological/chemical ... -
Identification of legged locomotion via model-based and data-driven approaches
(Bilkent University, 2017-05)Robotics is one of the core areas where the bioinspiration is frequently used to design various engineered morphologies and to develop novel behavioral controllers comparable to the humans and animals. Biopinspiration ... -
Image coding for digitized libraries
(Bilkent University, 1998)III this thesis, image coding methods for two basic image types are developed under a digitized library framework. The two image types are gray tone or color images, and binary textual images, which are the digitized image ...
