Now showing items 1-10 of 33
An investigation into fluid flow and heat transfer of high frequency synthetic jets for electronics cooling
Modern electronics have been decreasing in size for decades, so their cooling systems must continually improve in efficiency too. In particular, compactness is vital, which is challenging because typical thermal management ...
Robust estimation of term structure and implied volatility in emerging markets
Despite powerful advances in interest rate curve modeling for data-rich countries in the last 30 years, comparatively little attention has been paid to the key practicalproblem of estimation of the term structure of interest ...
Three essays on the behavior of equity market returns
The first chapter of this thesis analyzes return comovements phenomena known as correlation asymmetry. The phenomena has its two manifests: asymmetric correlations, referring to stock return correlations being higher during ...
Development of the calibration scheme and system integration of the Ozyegin biopsy robot (OBR)
Imaging systems can fail to visualize cancerous tissues for proper diagnosis. Needle based procedures, like biopsies, increase the chances of accurate diagnosis of tumors. These procedures also have applications in minimally ...
Near- and far-field thermal radiation in metamaterials and the development of NF-RT-FDTD algorithm
In this dissertation, analysis of near-field regime of thermal radiative transfer in metamaterials supporting surface phonon polaritons (SPhPs) is given. Solutions of electromagnetic fields at subwavelength distances are ...
Essays on pricing anomalies and the limits of arbitrage in emerging markets
It is a difficult task to explain market anomalies in standard models of asset pricing, as they are all based on the core idea of the law of one price: two assets with equal expected returns have equal values. Otherwise, ...
Diversity techniques for ultraviolet communications
Strong molecular and aerosol scattering in ultraviolet (UV) wavelengths enable mechanisms where transmitter can communicate with the receiver in the absence of line of sight (LOS) link. Recent advances in solid state ...
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Vulnerability of speaker verification system under replay spoofing attack and investigation of synthetic speech detection
Security issues have become major subject along with developments in the speaker verification system. Previous studies have shown that performance is still not fully proven for vulnerability. Simple and easy methods may ...
Validating android permission requests by analyzing APP descriptions
Android applications can access sensitive user data if they are granted certain permissions. Android security model gives users the responsibility to approve permission requests of applications. For this, a user needs to ...
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