ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
Collections in this community
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Doctoral Dissertations [13144]
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Masters Theses [18057]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Vinginia Tech ETDs.
Recent Submissions
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Evaluation of Green Stormwater Infrastructure Monitoring Protocols
(Virginia Tech, 2018-06-21)Due to development of once natural landscapes, also referred to as urbanization, stormwater management has evolved in an effort to address and counteract impairment of waterways in the United States by extensively implementing ... -
The Experience of Being Partnered With a Couples Therapist: A Qualitative Inquiry
(Virginia Tech, 2018-06-21)This qualitative phenomenological study explored the experience of being in a romantic relationship with a couples therapist. Fourteen spouses participated in semi-structured interviews. Data were analyzed using descriptive ... -
Classification of ADHD Using Heterogeneity Classes and Attention Network Task Timing
(Virginia Tech, 2018-06-21)Throughout the 1990s ADHD diagnosis and medication rates have increased rapidly, and this trend continues today. These sharp increases have been met with both public and clinical criticism, detractors stating over-diagnosis ... -
Statistical Evaluation of the Factors causing Microbial Growth in Point-of-use Filters
(Virginia Tech, 2018-06-21)Due to the lead spike and its related health concern in the DC area, Point-of-Use (POU) filters were installed at public schools to reduce lead concentrations in water. However, the installation of POU filter could possibly ... -
CMOS Receiver Design for Optical Communications over the Data-Rate of 20 Gb/s
(Virginia Tech, 2018-06-21)Circuits to extend operation data-rate of a optical receiver is investigated in the dissertation. A new input-stage topology for a transimpedance amplifier (TIA) is designed to achieve 50% higher data-rate ... -
A Deep Learning Based Pipeline for Image Grading of Diabetic Retinopathy
(Virginia Tech, 2018-06-21)Diabetic Retinopathy (DR) is one of the principal sources of blindness due to diabetes mellitus. It can be identified by lesions of the retina, namely microaneurysms, hemorrhages, and exudates. DR can be effectively prevented ... -
Experiments on the Transformation of Mud Flocs in Turbulent Suspensions
(Virginia Tech, 2018-06-21)This dissertation aims to better understand how floc aggregate characteristics and behaviors are modified under different local conditions and how such alterations impact the floc settling velocity, which is one of the ... -
Stability in Graph Dynamical Systems
(Virginia Tech, 2018-06-20)The underlying mathematical model of many simulation models is graph dynamical systems (GDS). This dynamical system, its implementation, and analyses on each will be the focus of this paper. When using a simulation model ... -
Gappy POD and Temporal Correspondence for Lizard Motion Estimation
(Virginia Tech, 2018-06-20)With the maturity of conventional industrial robots, there has been increasing interest in designing robots that emulate realistic animal motions. This discipline requires careful and systematic investigation of a wide ... -
Im2Vid: Future Video Prediction for Static Image Action Recognition
(Virginia Tech, 2018-06-20)Static image action recognition aims at identifying the action performed in a given image. Most existing static image action recognition approaches use high-level cues present in the image such as objects, object human ... -
Seizing the Circumstances: Adult Reflections on Parental Deportation
(Virginia Tech, 2018-06-20)Currently there are 4.5 million U.S.-born children with at least one undocumented parent who are at risk of being deported (Passel and Cohn, 2011). The sudden loss caused by parental deportation destabilizes families and ... -
Recommendations for Surface Treatment for Virginia Inverted T-Beam Bridge System
(Virginia Tech, 2018-06-20)This thesis investigates the impact of interface surface treatment methods for use in the Virginia Inverted T-Beam bridge system. The specific system consists of precast beams with thin bottom flanges placed next to one ... -
Reconceptions of 'Home' and Identity within the Post-War Bosnian Diaspora in the United States
(Virginia Tech, 2018-06-20)According to estimates by Bosnian authorities, there are two million Bosnians and their descendants living in diaspora, the highest number recorded since the end of the conflict in 1995. Most of these individuals are forced ... -
Modelling Allee effects in a transgenic mosquito population during range expansion
(Virginia Tech, 2018-06-20)Mosquitoes are vectors for many diseases that cause significant mortality and morbidity across the globe such as malaria, dengue fever and Zika. As mosquito populations expand their range into new areas, they may undergo ... -
Fulfilling Positive Stereotypical Expectations, Performance Boosts or Performance Decrements?
(Virginia Tech, 2018)There is plenty of research on effects of negative stereotypes on performance, but less is known about effects of positive stereotypes. Research examining effects of positive stereotypes on performance has found mixed, ... -
Assessment of Mansionization and Residential Infill Development on Stormwater Runoff
(Virginia Tech, 2018-06-19)Residential infill development and the associated increases in impervious cover and stormwater runoff have the potential to overwhelm aging infrastructure causing erosion, flooding, and ecological degradation of waterways. ... -
Multiparameter BCn-Kostka-Foulkes Polynomials
(Virginia Tech, 2018-06-19)The Kostka-Foulkes polynomials describe the change of basis between Schur polynomials and Hall-Littlewood polynomials. In this paper, we extend this idea to the family of BCn Macdonald spherical functions, with multiparameter ... -
Moral Panic and Political Rhetoric in the Early American Republic
(Virginia Tech, 2018-06-19)This study analyzes the reporting and editorializing in several major American newspapers during the height of the Citizen Genêt Affair in July and August, 1793. A hybrid form of sociological moral panic theory, focused ... -
The Effects of Hypoxia on Zooplankton Communities in Lakes and Reservoirs
(Virginia Tech, 2018-06-19)Global change is altering the community composition, variability, and behavior of organisms in a diverse suite of ecosystems. Because of climate change and eutrophication, freshwater lakes and reservoirs are experiencing ... -
Segmenting, Summarizing and Predicting Data Sequences
(Virginia Tech, 2018-06-19)Temporal data is ubiquitous nowadays and can be easily found in many applications. Consider the extensively studied social media website Twitter. All the information can be associated with time stamps, and thus form different ...
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