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.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [15543]
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Masters Theses [20600]
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Undergraduate Theses [30]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Measuring and Enhancing the Resilience of Interdependent Power Systems, Emergency Services, and Social Communities
(Virginia Tech, 2022-01-28)Several calamities occur throughout the world each year, resulting in varying losses. Disasters wreak havoc on infrastructures and impair operation. They result in human deaths and injuries and stress people's mental and ... -
Unmanned Aerial Vehicles and Edge Computing in Wireless Networks
(Virginia Tech, 2022-01-28)Unmanned aerial vehicles (UAVs) attract increasing attention for various wireless network applications by using UAVs' reliable line-of-sight (LoS) paths in air-ground connections and their flexible placement and movement. ... -
On the Tightness of the Balanced Truncation Error Bound with an Application to Arrowhead Systems
(Virginia Tech, 2022-01-28)Balanced truncation model reduction for linear systems yields reduced-order models that satisfy a well-known error bound in terms of a system's Hankel singular values. This bound is known to hold with equality under certain ... -
Inositol Pyrophosphate Phosphatases as Key Enzymes to Understand and Manipulate Phosphate Sensing in Plants
(Virginia Tech, 2022-01-28) -
Development, Characterization, and Fundamental Studies on Molecular Ionic Composites and PBDT Hydrogels
(Virginia Tech, 2022-01-28)This dissertation aims to develop, characterize, and fundamentally understand a new class of materials termed "molecular ionic composites" (MICs). MICs show promise as next-generation solid electrolytes for batteries. ... -
Advanced Quantum Mechanical Simulations of Circular Dichroism Spectra
(Virginia Tech, 2022-01-27)In quantum chemistry, scientists aim to solve the time-independent Schrödinger equation by employing a variety of approximation techniques whose accuracy are typically inversely proportional to their computational cost. ... -
West Nile virus vaccination protects against Usutu virus disease in mice
(Virginia Tech, 2022-01-28)Mosquito-borne viruses, including dengue virus (DENV), Usutu virus (USUV), West Nile virus (WNV), and Japanese encephalitis virus (JEV), are rapidly emerging, global pathogens. Though the number of people impacted by each ... -
Limitations to Use Copper as an Antimicrobial Control of Legionella in Potable Water Plumbing Systems
(Virginia Tech, 2022-01-28)The opportunistic pathogen Legionella is the leading cause of reported waterborne disease outbreaks in the United States. Legionella can thrive under the warm, stagnant, low-disinfectant conditions characteristic of premise ... -
Breaking the curse of dimensionality in electronic structure methods: towards optimal utilization of the canonical polyadic decomposition
(Virginia Tech, 2022-01-27)Despite the fact that higher-order tensors (HOTs) plague electronic structure methods and severely limits the modeling of interesting chemistry problems, introduction and application of higher-order tensor (HOT) decompositions, ... -
Development of an Instructional Design Framework to Guide the Design of Multi-Modal Learning Environments
(Virginia Tech, 2022-01-27)Although the instructional designer plays a role in the professional development of instructors in higher education, their perspectives are not explored as frequently compared to instructors and students in multi-modal ... -
In Viewership We Trust? Exploring Relationships Between Partisan Cable News and Mass Partisan Sentiment
(Virginia Tech, 2022-01-27)Prior literature has identified several simultaneously occurring trends: namely, sharply intensifying negative partisanship, partisan patterns of media trust, increasingly partisan content on cable news networks, and ... -
Institutionalizing Performance Management: Lessons for Government Leaders from the Government Performance and Results Act Modernization Act of 2010
(Virginia Tech, 2022-01-27)One of the most important trends in public management in the United States in recent history has been the spread of goal setting and performance measurement (Rainey 2014, 149), both core elements of a reform movement to ... -
An Examination of Presence and Engagement in Video Conferencing Systems and Virtual Environments
(Virginia Tech, 2022-01-27)Extended Reality (XR) is an upcoming field of technology that has garnered interest from researchers in the last few decades. This increased interest is largely due to the development of powerful hardware like the Microsoft ... -
Anomaly Detection for Smart Infrastructure: An Unsupervised Approach for Time Series Comparison
(Virginia Tech, 2022-01-25)Time series anomaly detection can prove to be a very useful tool to inspect and maintain the health and quality of an infrastructure system. While tackling such a problem, the main concern lies in the imbalanced nature of ... -
Quartz Crystal Microbalance with Dissipation Monitoring Applications in Polymer Thin Films Analysis
(Virginia Tech, 2022-01-25)Natural and synthetic polymers are highly related to people's daily life in every perspective and determine everyone's life quality. This study investigated the interactions between polymer thin films and other molecules, ... -
Communication-Aware, Scalable Gaussian Processes for Decentralized Exploration
(Virginia Tech, 2022-01-25)In this dissertation, we propose decentralized and scalable algorithms for Gaussian process (GP) training and prediction in multi-agent systems. The first challenge is to compute a spatial field that represents underwater ... -
High performance Deep Learning based Digital Predistorters for RF Power Amplifiers
(Virginia Tech, 2022-01-25)In this work, we present different deep learning-based digital pre-distorters and compare them based on their performance towards improving the linearity of highly non-linear power amplifiers. The simulation results show ... -
Dose-dependent effects of endotoxin on monocyte and the underlying mechanisms
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Operational Modal Analysis of Rolling Tire: A Tire Cavity Accelerometer Mediated Approach
(Virginia Tech, 2020-07-31)The low frequency (0-500 Hz) automotive noise and vibration behavior is influenced by the rolling dynamics of the tire. Driven by pressing environmental concerns, the automotive industry has strived to innovate fuel-efficient ... -
Type IV Pili-Dependent Secretion of Biofilm Matrix Material Proteins in Clostridium perfringens
(Virginia Tech, 2022-01-21)Clostridium perfringens is a Gram-positive bacterium that secretes a biofilm matrix material. The goal of these experiments was to identify pilin mutants that are needed for secretion of the biofilm matrix and develop a ...
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