Faculty of Engineering
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Optimization of a Collapsed Mode CMUT Receiver for Maximum Off-Resonance Sensitivity
(Institute of Electrical and Electronics Engineers, 2018-07-28)We propose an airborne collapse capacitive micromachined ultrasonic transducer (CMUT) as a practical viable ultrasound transducer capable of providing a stable performance at the off-resonance frequencies. Traditional ... -
Emerging accelerator platforms for data centers
(Institute of Electrical and Electronics Engineers, 2017-12-04)CPU and GPU platforms may not be the best options for many emerging compute patterns, which led to a new breed of emerging accelerator platforms. This article gives a comprehensive overview with a focus on commercial platforms. -
A Template-Based Design Methodology for Graph-Parallel Hardware Accelerators
(Institute of Electrical and Electronics Engineers Inc., 2017-05-19)Graph applications have been gaining importance in the last decade due to emerging big data analytics problems such as Web graphs, social networks, and biological networks. For these applications, traditional CPU and GPU ... -
Graph Analytics Accelerators for Cognitive Systems
(Institute of Electrical and Electronics Engineers, 2017)Hardware accelerators are known to be performance and power efficient. This article focuses on accelerator design for graph analytics applications, which are commonly used kernels for cognitive systems. The authors propose ... -
New high-resolution display device for holographic three-dimensional video: principles and simulations
(Bilkent University, 2017-08-03)A new acousto-optical holographic display device, which is expected to solve the display resolution and refresh problems that are common to available holographic displays, is proposed. The device is based on the ... -
Microfluidic bio-particle manipulation for biotechnology
(Elsevier, 2014-11-15)Microfluidics and lab-on-a-chip technology offers unique advantages for the next generation devices for diagnostic therapeutic applications. For chemical, biological and biomedical analysis in microfluidic systems, there ... -
Concurrent rule execution in active databases
(Elsevier, 1998-03)An active DBMS is expected to support concurrent as well as sequential rule execution in an efficient manner. Nested transaction model is a suitable tool to implement rule execution as it can handle nested rule firing ... -
Mixed-integer second-order cone programming for lower hedging of American contingent claims in incomplete markets
(Springer, 2013-01-01)We describe a challenging class of large mixed-integer second-order cone programming models which arise in computing the maximum price that a buyer is willing to disburse to acquire an American contingent claim in an ... -
Full Visible Range Covering InP/ZnS Nanocrystals with High Photometric Performance and Their Application to White Quantum Dot Light-Emitting Diodes
(Wiley-VCH Verlag, 2012-04-30)High-quality InP/ZnS core–shell nanocrystals with luminescence tunable over the entire visible spectrum have been achieved by a facile one-pot solvothermal method. These nanocrystals exhibit high quantum yields (above 60%), ... -
Experimental verification of metamaterial loaded small patch antennas
(Emerald Group Publishing Limited, 2013)Purpose - Metamaterial unit cells composed of deep subwavelength resonators brought up new aspects to the antenna miniaturization problem. The paper experimentally demonstrates a metamaterial-inspired miniaturization method ... -
Diffraction from a wavelet point of view
(Optical Society of America, 1993-06-01)The system impulse response representing the Fresnel diffraction is shown to form a wavelet family of functions. The scale parameter of the wavelet family represents the depth (distance). This observation relates ... -
The general behavior of pull production systems: The allocation problems
(Elsevier, 1999-12-01)The design of tandem production systems has been well studied in the literature with the primary focus being on how to improve their efficiency. Considering the large costs associated, a slight improvement in efficiency ... -
Inertial navigation systems for mobile robots
(IEEE, 1995-06)A low-cost solid-state inertial navigation system (INS) for mobile robotics applications is described. Error models for the inertial sensors are generated and included in an Extended Kalman Filter (EKF) for estimating ... -
Discretization error due to the identity operator in surface integral equations
(Elsevier, 2009-10)We consider the accuracy of surface integral equations for the solution of scattering and radiation problems in electromagnetics. In numerical solutions, second-kind integral equations involving welltested identity ... -
Mean semi-deviation from a target and robust portfolio choice under distribution and mean return ambiguity
(Elsevier, 2014-03-15)We consider the problem of optimal portfolio choice using the lower partial moments risk measure for a market consisting of n risky assets and a riskless asset. For when the mean return vector and variance/covariance ... -
Location and curvature estimation of spherical targets using multiple sonar time-of-flight measurements
(IEEE, 1999)A novel, flexible, three-dimensional multisensor sonar system is described to localize the center of a generalized spherical target and estimate its radius of curvature. Point, line, and planar targets are included as ... -
Perspective projections in the space-frequency plane and fractional Fourier transforms
(OSA Publishing, 2000-07-06)Perspective projections in the space-frequency plane are analyzed, and it is shown that under certain conditions they can he approximately modeled in terms of the fractional Fourier transform, The region of validity of the ... -
Dual integrated actuators for extended range high speed atomic force microscopy
(American Institute of Physics, 1999-09-13)A flexible system for increasing the throughput of the atomic force microscope without sacrificing imaging range is presented. The system is based on a nested feedback loop which controls a micromachined cantilever that ... -
Beaming of light and enhanced transmission via surface modes of photonic crystals
(Optical Society of America, 2005-11-15)We report beaming and enhanced transmission of electromagnetic waves by use of surface corrugated photonic crystals. The modes of a finite-size photonic crystal composed of dielectric rods in free space have been analyzed ... -
Target differentiation with simple infrared sensors using statistical pattern recognition techniques
(Elsevier, 2007-10)This study compares the performances of various statistical pattern recognition techniques for the differentiation of commonly encountered features in indoor environments, possibly with different surface properties, using ...
