Virginia Tech
    • Log in
    Search 
    •   VTechWorks Home
    • ETDs: Virginia Tech Electronic Theses and Dissertations
    • Doctoral Dissertations
    • Search
    •   VTechWorks Home
    • ETDs: Virginia Tech Electronic Theses and Dissertations
    • Doctoral Dissertations
    • Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Search

    Show Advanced FiltersHide Advanced Filters

    Filters

    Use filters to refine the search results.

    Now showing items 1-10 of 3357

    • Sort Options:
    • Relevance
    • Title Asc
    • Title Desc
    • Issue Date Asc
    • Issue Date Desc
    • Results Per Page:
    • 5
    • 10
    • 20
    • 40
    • 60
    • 80
    • 100
    Thumbnail

    Propagation and Scattering of Waves by Terrain Features 

    Davis, Bradley A. (Virginia Tech, 2000-06-13)
    The intent of this dissertation is to obtain estimates of the effects of natural terrain features on the propagation and scattering of waves. It begins with the rough knife obstruction case, moves into rough surfaces and ...
    Thumbnail

    Alternative Responses to the Orange County Bankruptcy: An Inquiry into the Images Underlying Theory 

    MacDonald, Susan Hardie (Virginia Tech, 2000-08-18)
    The bankruptcy of the government of Orange County, California in 1994 is treated as a case study depicting a potentially critical problem emerging for democracies. The analysis links finan-cial and fiduciary perspectives ...
    Thumbnail

    The Relationship Between Learning Style and Conventional or Modular Laboratory Preference Among Technology Education Teachers in Virginia 

    Reed, Philip Anthony (Virginia Tech, 2000-04-17)
    This study investigated the relationship between the laboratory environments and the learning styles of middle school technology education teachers in the Commonwealth of Virginia. Based on the assumption that a strong ...
    Thumbnail

    Active Flow Control For Reduction of Unsteady Stator-Rotor Interaction In a Turbofan Simulator 

    Feng, Jinwei (Virginia Tech, 2000-10-10)
    The research effort presented in this dissertation consists of employing active trailing edge blowing control to reduce the unsteady stator-rotor interaction in a turbofan simulator. Two active flow control systems ...
    Thumbnail

    Analysis and Characterization of Fiber Nonlinearities with Deterministic and Stochastic Signal Sources 

    Lee, Jong-Hyung (Virginia Tech, 2000-02-10)
    In this dissertation, various analytical models to characterize fiber nonlinearities have been applied, and the ranges of validity of the models are determined by comparing with numerical results. First, the perturbation ...
    Thumbnail

    Preparation, Separation, Characterization and Hydrogenation of Endohedral Metallofullerenes 

    Fu, Wujun (Virginia Tech, 2009-12-10)
    Endohedral metallofullerenes (EMFs) have attracted increasing attention during past decades due to their novel structures and potential applications in a variety of fields such as biomedical applications and molecular ...
    Thumbnail

    Investigation of Inlet Guide Vane Wakes in a F109 Turbofan Engine with and without Flow Control 

    Kozak, Jeffrey D. (Virginia Tech, 2000-08-17)
    A series of experiments were conducted in a F109 turbofan engine to investigate the unsteady wake profiles of an Inlet Guide Vane (IGV) at a typical spacing to the downstream fan at subsonic and transonic relative blade ...
    Thumbnail

    Gender Differences in Computer Attitudes, Interests, and Usage in an Elite High School 

    Anderson, Marilyn Joan Whinnerah (Virginia Tech, 2000-06-01)
    A descriptive case study examined the gender differences concerning computer technology (IT) by a convenience sample (N = 180, 76%) of 11 th and 12 th graders at an elite public high school, recently named the "second best ...
    Thumbnail

    Structural Identification and Buffet Alleviation of Twin-Tailed Fighter Aircraft 

    El-Badawy, Ayman Aly (Virginia Tech, 2000-03-30)
    We tackle the problem of identifying the structural dynamics of the twin tails of the F-15 fighter plane. The objective is to first investigate and identify the different possible attractors that coexist for the same ...
    Thumbnail

    Systematic Optimization Technique for MESFET Modeling 

    Khalaf, Yaser A. (Virginia Tech, 2000-07-24)
    Accurate small and large-signal models of metal-semiconductor field effect transistor (MESFET) devices are essential in all modern microwave and millimeter wave applications. Those models are used for robust designs and ...
    • 1
    • 2
    • 3
    • 4
    • . . .
    • 336

    If you believe that any material in VTechWorks should be removed, please see our policy and procedure for Requesting that Material be Amended or Removed. All takedown requests will be promptly acknowledged and investigated.

    Virginia Tech | University Libraries | Contact Us
     

     

    Browse

    All of VTechWorksCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    Log inRegister

    Discover

    DepartmentElectrical and Computer Engineering (332)Educational Leadership and Policy Studies (299)Curriculum and Instruction (198)Teaching and Learning (164)Civil Engineering (160)... View MoreSubjectoptimization (21)modeling (16)higher education (14)Internet (14)Simulation (14)... View MoreAdvisorTwiford, Travis W. (54)Parks, David J. (38)Parson, Stephen R. (31)Boucouvalas, Marcie (28)Lee, Fred C. (28)... View MoreDate Issued2009 (427)2008 (381)2007 (362)2006 (353)2005 (357)2004 (301)2003 (303)2002 (278)2001 (307)2000 (288)Thesis Degree Leveldoctoral (3357)Has File(s)Yes (3353)No (4)

    If you believe that any material in VTechWorks should be removed, please see our policy and procedure for Requesting that Material be Amended or Removed. All takedown requests will be promptly acknowledged and investigated.

    Virginia Tech | University Libraries | Contact Us