Browsing Electronic & Electrical Eng (Scholarly Publications) by Title
Now showing items 233-252 of 588
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Flexible architecture software radio OFDM transceiver system and frame synchronization analysis
(IEEE, 2003)Abstract-In this paper, we present findings relating to frame synchronization algorithms for software radio based OFDM systems in addition to an overview of the design and implementation of an (OFDM) Software Radio based ... -
Flexoelectric polarization studies in bent-core nematic liquid crystals
(2015)The flexoelectric polarization ( P f ) of four bent-core nematic liquid crystals (LCs) has been measured using the pyroelectric effect. Hybrid aligned nematic cells are fabricated for measuring the pyroelectric response ... -
Form birefringence of oxidized porous silicon
(American Institute of Physics, 2006)A network of preferentially oriented pores is shown to induce anisotropy of linear and nonlinear optical properties of oxidized porous silicon (OPS) films. Although the x-ray diffraction indicates the presence of amorphous ... -
Formation and development of nanometer-sized cybotactic clusters in bent-core nematic liquid crystalline compounds
(2018)Two homologue achiral bent-core liquid crystals (LCs), BCN66 and BCN84, in their nematic phases are studied by dielectric spectroscopy in the frequency range 10 Hz–10 MHz. In each of these compounds, two relaxation processes ... -
Formation of Gold Nanoparticle Self-Assembling Films in Various Polymer Matrices for SERS Substrates
(2022)Surface-enhanced Raman spectroscopy (SERS) is regarded as a versatile tool for studying the composition and structure of matter. This work has studied the preparation of a SERS substrate based on a self-assembling plasmonic ... -
FPGA-based Deep-Learning Accelerators for Energy Efficient Motor Imagery EEG classification
(2022)In recent years, Deep Learning has emerged as a powerful framework for analysing and decoding bio-signals like Electroencephalography (EEG) with applications in brain computer interfaces (BCI) and motor control. Deep ... -
Fractional rotational diffusion of rigid dipoles in an asymmetric double-well potential
(American Physical Society, 2005)The longitudinal and transverse components of the complex dielectric susceptibility tensor of an assembly of dipolar molecules rotating in an asymmetric double-well potential are evaluated using a fractional rotational ... -
Fractional rotational diffusion of rigid dipoles in an asymmetrical double-well potential
(American Physical Society, 2005)The longitudinal and transverse components of the complex dielectric susceptibility tensor of an assembly of dipolar molecules rotating in an asymmetric double-well potential are evaluated using a fractional rotational ... -
Fractional translational diffusion of a Brownian particle in a double well potential
(American Institute of Physics, 2006)The fractional translational diffusion of a particle in a double-well potential (excluding inertial effects) is considered. The position correlation function and its spectrum are evaluated using a fractional probability ... -
FSMA - A topology-transparent scheme for opportunistic spectrum access
(IEEE, 2007)With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilization by letting users sense and utilize available spectrum opportunistically. Recently, graph-coloring ... -
FTIR and Raman Investigation of Vertically Etched Silicon as 1-D Photonic Crystal
(SPIE, 2003)The reflection spectra of composite materials on the base of grooved silicon and grooved silicon infiltrated with nematic liquid crystal (LC) have been calculated using the optimal parameters of a grooved silicon matrix ... -
FTIR study of a chiral tilted SmA liquid crystalline phase
(EDP Sciences, 2002)In this paper we present the results of the polarized infrared spectroscopy as evidence for the existence of a chiral analogue of the SmA phase of the de Vries type. In this phase, the molecular director in the smectic ... -
Gold nanorods embedded discotic nanoribbons
(2013)It is shown that gold nanorods (GNRs) can be easily inserted into the supramolecular order of discotic liquid crystals (DLCs) along the director without disturbing their mesomorphism. GNRs embedded discotic nanoribbons, ... -
Gradient Based Dominant Motion Estimation with Integral Projections for Real Time Video Stabilisation,
(2004)This paper presents a new expression of the relationship between integral projections and motion in an image pair. The resulting new multiresolution gradient based approach is used to estimate dominant motion in image ... -
A gradient based fast search algorithm for warping motion compensation schemes
(IEEE, 1997)This paper describes a fast search algorithm for warping motion compensation schemes which is based on a first order approximation of a Taylor series. In comparison to a full search algorithm the technique significantly ... -
Gradual phase transition between the smectic- C* and smectic- CA* phases and the thresholdless antiferroelectricity
(2008)We have constructed the phase diagrams for a binary-mixture system of antiferroelectric and ferroelectric liquid-crystalline materials in both thick and thin cells. In the phase diagrams the boundary between the smectic-C* ... -
Graphics Hardware for Gradient Based Motion Estimation
(SPIE, 2004)Motion estimation and compensation is a key component in video procesing. Motion estimation is necessary for high quality compression. It is also a key component in archive video restoration and motion picture post-production. ... -
Heterogeneous Communication Virtualization for Distributed Embedded Applications
(IEEE, 2021)Distributed embedded applications (DEAs) are typically implemented on diverse embedded nodes interconnected through communication network(s) to exchange data and control information to achieve the desired ... -
Hierarchical elasticity of bimesogenic liquid crystals with twist-bend nematic phase
(2015)in 2001, Dozov predicted that twist-bend nematic phase can be spontaneously formed when K 33 < 0 and K 11/K 22 > 2, and this phase has recently been discovered in bimesogens. To verify Dozov's hypothesis, we have measured ...