Filters: Collection:"ir_etd" School Or College:"College of Engineering" Subject:"Electrical engineering"
1 - 25 of 24
Number of results to display per page
| Title | Author | Subject | Description | Date | ||
|---|---|---|---|---|---|---|
| 1 |  | A computational framework to characterize the fast neural coding dynamics during eye movements | Aghdam, Amir Akbarian | Electrical engineering; Neurosciences | Understanding how our behavior and perception are generated from the response of brain cells, called neurons, to various external (e.g., visual input) and internal (e.g., reward value) covariates is a central goal in systems and computational neuroscience. Neurons, as the basic computational units o... | 2020 |
| 2 |  | A multiphase interpolating digital power amplifier for TX beamforming | Bai, Zhidong | Electrical engineering | C-2C, Split-array switched-capacitor power amplifier (SA-SCPA) are presented toovercome the challenges of simultaneously designing SCPAs with high resolution and high output power. Split-arrays allow a capacitance array to be subdivided with the aid of an attenuation capacitor, CA, to balance the ch... | 2019 |
| 3 |  | A hidden surface algorithm for computer generated halftone pictures | Warnock, John Edward | Electrical engineering | The application of computer graphics to problem solving has increased over the past few years. The representation of data in the form of line drawings, graphs, charts, diagrams and line plots has been explored extensively, This paper addresses itself to some new techniques used to solve problems ass... | 1969 |
| 4 |  | Acoustic Power Transfer Systems for Implantable Medical Devices: Modeling Technique and Analysis | Christensen, David Brent | Acoustics; Mechanical engineering; Electrical engineering | Implantable medical devices (IMDs) are small devices that can be implanted into biological tissue to perform a diagnostic or therapeutic function. In this work, acoustic power transfer (APT) is investigated to wirelessly power IMDs. Acoustic power transfer systems (APTS) are typically comprised of a... | 2017 |
| 5 |  | Design and modeling of a resonant inductively coupled wireless power transfer system for micro aerial vehicles | Plaizier, Gregory Michael | Mechanical engineering; Electrical engineering | This thesis discusses the design, modeling, and experimental validation of an inductively coupled wireless power transfer (WPT) system to power a micro aerial vehicle (MAV) without an onboard power source. MAVs are limited in utility by flight times ranging from 5 to 30 minutes. Using WPT for MAVs, ... | 2018 |
| 6 |  | Super-resolution optical nanopatterning beyond the far-field diffraction limit using photochromic molecules and Absorbance Modulation Optical Lithography | Majumder, Apratim | Nanotechnology; Optics; Electrical engineering | Following the progress of shrinking down the sizes of integrated circuit elements, optical lithography, which is the state of the art of patterning ever-small structures, has now almost reached its final limit. This limit to the size of the smallest feature that can be patterned using photolithograp... | 2018 |
| 7 |  | Reducing loss in implantable and spacecraft antenna systems | Chrysler, Andrew Michael | Electromagnetics; Electrical engineering | Antenna design and reduction of losses in antenna systems are critical for modern communications systems. Two categories of antennas suffer from limited power supply and difficult operating environments: implantable antennas and antennas for spacecraft applications. Minimizing and controlling losses... | 2018 |
| 8 |  | Optical neural interfaces for optogenetic interrogation | Boutte, Ronald W. | Electrical engineering; Neurosciences; Optics | Precise optical neural stimulation is an essential element in the use of optogenetics to elicit predictable neural action potentials within the brain, but accessing specific neocortical layers, light scattering, columniation, and ease of tissue damage pose unique challenges to the device engineer. T... | 2018 |
| 9 |  | Enhancing automatic software testing for broader applicability | Dimjasevic, Marko | Computer science; Electrical engineering | In computer science, functional software testing is a method of ensuring that software gives expected output on specific inputs. Software testing is conducted to ensure desired levels of quality in light of uncertainty resulting from the complexity of software. Most of today's software is written by... | 2018 |
| 10 |  | Terahertz metamaterials and plasmonics using two-dimensional materials and highly conductive transparent oxides | Arezoomandan, Sara | Electrical engineering; Applied physics | Driven by a myriad of potential applications such as communications, medical imaging, security, spectroscopy, and so on, terahertz (THz) technology has emerged as a rapidly growing technological field during the last three decades. However, since conventional materials typically used in microwave an... | 2018 |
| 11 |  | Active sperm separation technique using an inertial microfluidic device | Son, Jiyoung | Bioengineering; Engineering; Electrical engineering | Microfluidic technology has the unique potential to separate sperm from unwanted debris while improving the effectiveness of assisted reproductive technologies (ART). Limitations of current clinical protocols regarding separation of sperm from other cells and cellular debris can lead to low sperm re... | 2017 |
| 12 |  | Analysis and implementation of spatial filters in the Quasi-Static regime with applications to wireless power transfer | Rodriguez, Erik Saturnino Gamez | Electrical engineering; Electromagnetics | More than a century ago, in his labs in Colorado Springs and New York, Nikola Tesla started experimenting with wireless power transfer (WPT). His ideas were ahead of his time, but they fell into obscurity shortly after his death. Nowadays, WPT is no longer thought of as science fiction: neural prost... | 2017 |
| 13 |  | Functionalized single-walled carbon nanotube chemiresistive sensors for vapor detection of explosives and drugs | Zhang, Yaqiong | Nanotechnology; Electrical engineering; Chemistry | Explosives and drugs cause problems in society when used inappropriately. It is highly desired to detect these chemicals in a quick and reliable way with low cost. Vapor detection of explosives and drugs has been proven to be one of the most effective, practical, and noninvasive methods. Among all t... | 2017 |
| 14 |  | Improving accuracy of learning models using disjunctive normal form and semisupervised learning | Mohammadabadi, Sayed Mehdi Sajjadi | Electrical engineering | The goal of machine learning is to develop efficient algorithms that use training data to create models that generalize well to unseen data. Learning algorithms can use labeled data, unlabeled data or both. Supervised learning algorithms learn a model using labeled data only. Unsupervised learning m... | 2017 |
| 15 |  | Tunable-focus microfluidic lenses for smart eyeglasses | Hasan, Nazmul | Ophthalmology; Electrical engineering; Optics | Refractive errors of vision are very common in all human beings, namely myopia, hyperopia, presbyopia, and astigmatism. Worldwide, over 1 billion people were estimated to suffer from presbyopia with around 410 million of them suffering from near vision loss. The result of refractive errors is blurre... | 2017 |
| 16 |  | Multilevel diffractive optics for broadband applications | Mohammad, Nabil | Electrical engineering; Optics | Diffractive optics, an important part of modern optics, involves the control of optical fields by thin microstructured elements via diffraction and interference. Although the basic theoretical understanding of diffractive optics has been known for a long time, many of its applications have not yet b... | 2017 |
| 17 |  | Radio frequency sensing networks for localization, synchronization, and health monitoring | Luong, Anh | Communication; Computer Engineering; Electrical engineering | Low-cost wireless embedded systems can make radio channel measurements for the purposes of radio localization, synchronization, and breathing monitoring. Most of those systems measure the radio channel via the received signal strength indicator (RSSI), which is widely available on inexpensive radio ... | 2017 |
| 18 |  | Strategies towards the mitigation of shunting in implanted neural arrays to improve device stability for chronic applications | Caldwell, Ryan Barclaty | Neurosciences; Biomedical engineering; Electrical engineering; Physiology; Materials science | By enabling neuroprosthetic technologies, neural microelectrodes can greatly improve diagnostic and treatment options for millions of individuals living with limb loss, paralysis, and sensory and autonomic neural disorders. However, clinical use of these devices is restricted by the limited function... | 2017 |
| 19 |  | Three-axis flexible tactile sensor array for pressure and shear mapping | Surapaneni, Rajesh | Electrical engineering | Tactile sensors are a group of sensors that are widely being developed for transduction of touch, force and pressure in the field of robotics, contact sensing and gait analysis. These sensors are employed to measure and register interactions between contact surfaces and the surrounding environment. ... | 2013 |
| 20 |  | Digital CMOS RF power amplifiers | Yuan, Wen | Electrical engineering; Multimedia Communications | High speed wireless communication systems (e.g., long-term evolution (LTE), Wi-Fi) operate with high bandwidth and large peak-to-average power ratios (PAPRs). This is largely due to the use of orthogonal frequency division multiplexing (OFDM) modulation that is prevalent to maximize the spectral eff... | 2016 |
| 21 |  | A novel hydrogel based piezoresistive pressure sensor platform for chemical sensing | Orthner, Michael P. | Biomedical engineering; Electrical engineering; Materials science | New hydrogel-based micropressure sensor arrays for use in the fields of chemical sensing, physiological monitoring, and medical diagnostics are developed and demonstrated. This sensor technology provides reliable, linear, and accurate measurements of hydrogel swelling pressures, a function of ambien... | 2010 |
| 22 |  | Structural damage detection using dictionary learning | Melville, Joseph | Electrical engineering; Mechanical engineering; Computer science | Nondestructive evaluation (NDE) is a means of assessing the reliability and integrity of a structural component and provides such information as the presence, location, extent, and type of damage in the component. Structural health monitoring (SHM) is a subfield of NDE, and focuses on a continuous m... | 2017 |
| 23 |  | Energy-efficient design of an asynchronous network-on-chip | Gebhardt, Daniel J. | Computer Engineering; Electrical engineering; Computer science | Portable electronic devices will be limited to available energy of existing battery chemistries for the foreseeable future. However, system-on-chips (SoCs) used in these devices are under a demand to offer more functionality and increased battery life. A difficult problem in SoC design is providing ... | 2011-08 |
| 24 |  | Device-free localization with received signal strength measurements in wireless networks | Wilson, Anthony Joseph | Device-free; Tag-free; Tracking; Wireless; Electrical engineering | Device-free localization (DFL) is the practice of locating people or objects when no tag or device is attached to the entity being tracked. DFL technologies are useful in applications where the targets being tracked and detected are not expected to cooperate with the system. This may be the case bec... | 2010 |
1 - 25 of 24