Browsing Bradley Department of Electrical and Computer Engineering by Title
Now showing items 182-201 of 603
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Energy band alignment of atomic layer deposited HfO2 on epitaxial (110)Ge grown by molecular beam epitaxy
(AIP Publishing, 2013-03-01)The band alignment properties of atomic layer HfO2 film deposited on epitaxial (110)Ge, grown by molecular beam epitaxy, was investigated using x-ray photoelectron spectroscopy. The cross-sectional transmission electron ... -
Energy band alignment of atomic layer deposited HfO2 oxide film on epitaxial (100)Ge, (110)Ge, and (111)Ge layers
(American Institute of Physics, 2013-03-21)Crystallographically oriented epitaxial Ge layers were grown on (100), (110), and (111) A GaAs substrates by in situ growth process using two separate molecular beam epitaxy chambers. The band alignment properties of atomic ... -
An Energy Efficient Technique Using Electric Active Shielding for Capacitive Coupling Intra-Body Communication
(MDPI, 2017-09-08)Capacitive coupling intra-body communication (CC-IBC) has become one of the candidates for healthcare sensor networks due to its positive prevailing features of energy efficiency, transmission rate and security. Under the ... -
Energy storage for power factor correction in battery charger for electric-powered vehicles
(United States Patent and Trademark Office, 2018-03-13)Switches of a switching circuit used to control operation of an electric motor such as in an electrically powered vehicle connect respective windings of the electric motor as a single phase inductor during battery charging. ... -
Enhanced Absorption And Electro-Optic Pockels Effect Of Electrostatically Self-Assembled Cdse Quantum Dots
(Optical Society of America, 2005-10-01)The spectrum and electro-optic properties of CdSe quantum dots are studied. Spectrum wavelength shifts that are due to the quantum size effect and to the electro-optic Stark effect are investigated. It is found that CdSe ... -
Enhanced Erbium-Doped Ceria Nanostructure Coating to Improve Solar Cell Performance
(MDPI, 2015-11-12)This paper discusses the effect of adding reduced erbium-doped ceria nanoparticles (REDC NPs) as a coating on silicon solar cells. Reduced ceria nanoparticles doped with erbium have the advantages of both improving ... -
Enhancing the pictorial content of digital holograms at 100 frames per second
(Optical Society of America, 2012-06-01)We report a low complexity, non-iterative method for enhancing the sharpness, brightness, and contrast of the pictorial content that is recorded in a digital hologram, without the need of re-generating the latter from the ... -
Enhancing the Quality of Sampled Phase-Only Hologram (SPOH) Based on Time-Division Comb Filtering
(MDPI, 2020-04-15)Generation of digital phase-only Fresnel holograms is an important research area in digital holography, as it leads to a substantial simplification of a holographic display system. However, the quality of the reconstructed ... -
Environmental Information Improves Robotic Search Performance
(Virginia Tech, 2016)We address the problem where a mobile search agent seeks to find an unknown number of stationary objects distributed in a bounded search domain, and the search mission is subject to time/distance constraint. Our work ... -
ERDT: Energy-Efficient Reliable Decision Transmission for Intelligent Cooperative Spectrum Sensing in Industrial IoT
(IEEE, 2015)Due to harsh environment, large number of sensors, limited energy, and spectrum scarcity, intelligent sensing becomes a key issue to enable many practical applications in industrial Internet of Things (IoT). In such an ... -
Estimate Of The Incoherent-Scattering Contribution To Lidar Backscatter From Clouds
(Optical Society of America, 1999-09-01)Lidar backscatter from clouds in the Delft University of Technology experiment is complicated by the fact that the transmitter has a narrow beam width, whereas the receiver has a much wider one. The issue here is whether ... -
Estimating along-track plasma drift speed from electron density measurements by the three Swarm satellites
(European Geosciences Union, 2015)Plasma convection in the high-latitude ionosphere provides important information about magnetosphere-ionosphere-thermosphere coupling. In this study we estimate the along-track component of plasma convection within and ... -
Estimating the location of a wireless terminal based on radio-frequency pattern matching and cooperative measurements
(United States Patent and Trademark Office, 2017-03-14)A method for estimating the location of a wireless terminal is disclosed that is based on using: the known location of one or more devices, empirical data that indicates the relative position of the wireless terminal to ... -
Evaluation of Five Antischizophrenic Agents Against Toxoplasma gondii in Human Cell Cultures
(American Society of Parasitology, 2011-02-01)An increasing interest in the association of the presence of antibodies to Toxoplasma gondii and the development of schizophrenia in patients has been generated over the last several years. Some antischizophrenia agents ... -
Exact Analysis Of Low-Finesse Multimode Fiber Extrinsic Fabry-Perot Interferometers
(Optical Society of America, 2004-02-01)A straightforward theory is presented to accurately model the light inferences in a low-finesse multimode fiber extrinsic Fabry-Perot (FP) interferometer. The effect on the fringe visibility of the gap length, sensor ... -
Exact solution for four-order acousto-optic Bragg diffraction with arbitrary initial conditions
(Optical Society of America, 2009-03-01)An exact solution to the four-order acousto-optic (AO) Bragg diffraction problem with arbitrary initial conditions compatible with exact Bragg angle incident light is developed. The solution, obtained by solving a 4th-order ... -
Examining the Viability of FPGA Supercomputing
(2007-01-10)For certain applications, custom computational hardware created using field programmable gate arrays (FPGAs) can produce significant performance improvements over processors, leading some in academia and industry to call ... -
Experiments with compact antenna arrays for MIMO radio communications
(Ieee-Inst Electrical Electronics Engineers Inc, 2006-11-01)The problem addressed in this study is how to design and test compact antenna arrays for portable Multiple-Input Multiple-Output (MIMO) transceivers. -
Exploiting Process Locality of Reference in RTL Simulation Acceleration
(2007-12-11)With the increased size and complexity of digital designs, the time required to simulate them has also increased. Traditional simulation accelerators utilize FPGAs in a static configuration, but this paper presents an ... -
External ramp autotuning for current mode control of switching converter
(United States Patent and Trademark Office, 2017-06-13)Peak current, valley current or average current mode controlled power converters in either digital or analog implementations obtain a stabilized feedback loop and allow high system bandwidth design by use of an external ...
