Browsing Electronic & Electrical Eng by Title
Now showing items 21-40 of 712
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Algorithmic level low-power VLSI design applied to RGB to HSI conversion
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2001)The growing demand for portable applications such as cellular phones, portable digital assistants (PDAs) and notebooks has resulted in a requirement for integrated circuits (ICs) which consume less power while delivering ... -
Alignment instability caused by anchoring of the in-plane directors to the rubbing direction in the V-shaped switching
(2000)In order to investigate the molecular alignment in the smectic liquid crystals showing the V-shaped switching behavior, two types of the liquid crystal cells, a sandwiched cell and an open cell, were prepared. ... -
Alignment of liquid crystal E7 in composite photonic crystals based on single crystal silicon
(SPIE, 2005)The orientation of nematic liquid crystal (LC) E7 on the surface of (111) silicon wafers and in the channels of grooved silicon structure has been investigated. Grooved Si is a periodical structure obtained by wet anisotropic ... -
Ambient Data Monitoring w/Generative Music Systems using EC & ML Techniques.
(2018)This is a position paper which describes work in progress to develop an AI/ML driven auditory ambient information system which incorporates generative music techniques and considers some of the factors involved the design ... -
Ambisonic Decoder Test Methodologies based on Binaural Reproduction
(2021)The comparative evaluation of the quality of different Ambisonic decoding strategies presents a number of challenges, most notably the lack of a suitable reference signal other than the original, real-world audio scene. ... -
Ambisonic Decoder Test Methodologies based on Loudspeaker Reproduction
(Audio Engineering Society, 2022)The comparative evaluation of the quality of different Ambisonic decoding strategies presents a number of challenges, most notably the lack of a suitable reference signal other than the original, real-world audio scene. ... -
Amplifier front-end design in dry-electrode electrocardiography
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2011)This thesis presents an analytical approach to some key issues related to the design of biopotential amplifiers for use in long-term ambulatory recording of the electrocardiogram (ECG) employing pasteless or dry electrodes. ... -
An indoor resource optimisation for TDMA incorporating a convex space building configuration and accurate ray-tracing
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2004)The contents of this work are designed for planning wireless telecommunication systems in indoor environments with application intended for time division multiple access (TDMA) systems. The term resource optimisation ... -
An investigation of novel and next generation semiconductor and piezoelectric materials using Raman spectroscopic characterisation
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2012)Raman spectroscopy is an increasingly prevalent material characterisation technique and this work explored its application to several novel semiconductor and piezoelectric materials. Raman spectroscopy is non-destructive ... -
An Analysis of Competition among Autonomous Devices in Multichannel Cognitive Radio Networks
(2012)We investigate an autonomous opportunistic spec- trum access (OSA) strategy for a multichannel cognitive radio (CR) network, where two or more autonomous CRs sense the channels sequentially in some sensing order to find ... -
Analysis of Strain and Intermixing in a Single Layer Ge/Si dots using polarized Raman Spectroscopy
(2006)The built-in strain and composition of as-grown and Si-capped single layers of Ge?Si dots grown at various temperatures (460?800 ?C) are studied by a comparative analysis of the Ge-Ge and Si-Ge modes in the polarized Raman ... -
Anisotropic rotational diffusion and transient nonlinear responses of rigid polar macromolecules in a strong external electric field
(American Institute of Physics, 2007)Nonlinear transient responses of polar polarizable particles (macromolecules) diluted in a nonpolar solvent to a sudden change in magnitude of a strong external dc field are evaluated using the anisotropic noninertial ... -
Anomalous dependence of response time on the electric field in an electroclinic liquid crystal with large induced tilt and polarization
(2009)We investigate the response time of an electroclinic liquid crystal with large induced tilt and polarization (de Vries smectic A*). The response time is found to increase with the increase in electric field up to a threshold ... -
Anomalous dielectric relaxation in an N-fold cosine potential
(American Physical Society, 2003)The fractional Klein-Kramers (Fokker-Planck) equation describing the fractal time dynamics of an assembly of fixed axis dipoles rotating in an N-fold cosine potential representing the internal field due to neighboring ... -
Anomalous nonlinear dielectric and Kerr effect relaxation steady state responses in superimposed ac and dc electric fields
(American Institute of Physics, 2007)It is shown how the rotational diffusion model of polar molecules (which may be described in microscopic fashion as the diffusion limit of a discrete time random walk on the surface of the unit sphere) may be extended to ... -
Anomalous temperature dependence of layer spacing of de Vries liquid crystals: Compensation model
(2016)Smectic liquid crystals that exhibit temperature independent layer thickness offer technological advantages for their use in displays and photonic devices. The dependence of the layer spacing in SmA and SmC phases of de ... -
Antiferroelectric and ferroelectric orderings in frustrated chiral tilted smectics and a continuous change from anticlinic SmCA* to synclinic SmC*
(2010)In a frustrated binary-mixture system of ferroelectric and antiferroelectric liquid crystals, where the border line between SmCA* and SmC* in the temperature-concentration phase diagram runs almost parallel to the ordinate ... -
Antiferroelectric dielectric relaxation processes and the interlayer interaction in antiferroelectric liquid crystals
(2008)Antiphase relaxation process of antiferroelectric phase is investigated in binary mixtures of antiferroelectric and ferroelectric liquid crystalline compounds. It is found that the frequency of the antiphase mode ranges ... -
Application of capacitive sensors to inverse problems in electrostatics
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2003)The electrostatic imaging problem is an inverse electrostatic problem Involving the reconstruction of an inhomogeneous dielectric medium from a set of remote electrostatic field measurements. In this thesis we propose ... -
Application of matrix methods for investigation of silicon based layered structures
(Trinity College (Dublin, Ireland). Department of Electronic & Electrical Engineering, 2012)This work is dedicated to the theoretical and experimental investigation of the influence of nano- and microstructuring of silicon systems on their linear optical response. The wavelengths of the light are comparable to ...