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Filtering by: Creator Howard, T. K. Remove constraint Creator: Howard, T. K. Committee Member Liu, Huaping Remove constraint Committee Member: Liu, Huaping

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  • A novel linear generator for wave energy applications

    Creator:
    Ernst, Steven George
    Abstract:
    With the increasing effort to identify alternative methods of energy generation, extraction of ocean energy has gathered a large interest. Research and industry have begun considering wave energy as the next new alternative energy. The unique challenges of ocean energy requires a wave energy converter to be both robust and...
    Resource Type:
    Masters Thesis
    Full Text:
    , 2009. Title: A Novel Linear Generator for Wave Energy Applications Abstract approved: Ted K. Brekken

  • A Two-element CZT-based Radioxenon Detection System for Nuclear Weapon Test Monitoring

    Creator:
    Ranjbar, Lily
    Abstract:
    Detection of xenon radioisotopes (radioxenons) has proven to be an important method for detecting nuclear explosions and is particularly well suited for detecting undeclared underground testing. The radioxenon isotopes ¹³¹mXe (t₁/₂ = 11.934 d), ¹³³mXe (t₁/₂ = 2.19 d), ¹³³Xe (t₁/₂ = 5.243 d) and ¹³⁵Xe (t₁/₂ = 9.14 h)...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: ______________________________________________________ Abi T. Farsoni

  • Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

    Creator:
    Alemayehu, Bemnet
    Abstract:
    Radioxenon detection is a technique used to monitor nuclear explosion and verify the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Because of an ultra-low concentration of radioxenon at radioxenon monitoring stations, radioxenon detection systems must have high sensitivity. This sensitivity is measured in terms of detector's minimum detectable concentration (MDC). It is required...
    Resource Type:
    Dissertation
    Full Text:
    : __________________________________________________________________ Abdollah T. Farsoni Radioxenon

  • Development of a CZT-Silicon Detection System in Support of the Comprehensive Nuclear-Test-Ban Treaty

    Creator:
    Alhawsawi, Abdulsalam M.
    Abstract:
    The Comprehensive Nuclear-Test-Ban Treaty (CTBT) bans all nuclear explosion tests for military or civilian purposes. The International Monitoring System (IMS) was established to verify compliance with the treaty. It consists of several monitoring stations that detect: seismic activities, hydrocoustic activities, infrasound waves, and radionuclide particles and noble gases. Radioxenon detection...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Abi T. Farsoni The Comprehensive Nuclear-Test-Ban Treaty (CTBT) bans all nuclear

  • Via-only microwave/millimeter wave bandpass filters for LTCC applications

    Creator:
    Bhargava, Gaurav
    Abstract:
    With an increasing number of wireless applications at microwave frequencies, the frequency spectrum is becoming quite crowded. Due to this congestion, the current state of technology is leading towards upper microwave and millimeter wave spectra as they also offer other distinct advantages such as larger bandwidth and smaller component footprint....
    Resource Type:
    Masters Thesis
    Full Text:
    Microwave/Millimeter Wave Bandpass Filters for LTCC Applications Abstract approved: Raghu K. Settaluri

  • Methods for evaluating the impact of renewable resource variability on grid operation and planning

    Creator:
    Halamay, Douglas A.
    Abstract:
    With the recent interest in increasing the penetration of renewable energy sources onto the power grid, there has been an unprecedented rapid deployment of wind generation, especially in the US Pacific Northwest. While wind farm developers have continued to expand their operations, power system operators are left to deal with...
    Resource Type:
    Masters Thesis

  • Growth and characterization of zinc ferrite thin films for high frequency applications

    Creator:
    Hu, Jiqing
    Abstract:
    Ferrites have been used for various high frequency applications as bulk materials. These applications, however, are limited to large dimension devices. In this thesis, thin film ferrites were deposited from a low temperature solution-based deposition process that is suitable for micro-scale high frequency applications. The low temperature nature of this...
    Resource Type:
    Dissertation
    Full Text:
    (Alex) Chang Shih-Lien L. Lu Raghu K. Settaluri Ferrites have

  • Comparison and impact of substrate noise due to clocked and clockless circuitry

    Creator:
    Le, Jim K.
    Abstract:
    Delay insensitive asynchronous circuitry provides significant advantages with respect to substrate noise due to localized switching. The differences between the substrate noise from NULL Convention Logic (NCL) and traditional Clocked Boolean Logic (CBL) are described and analyzed based on measured results. A test chip fabricated in the TSMC 0.25 um...
    Resource Type:
    Masters Thesis
    Full Text:
    coupling is heavily dependent on the time derivative of 2 Time N u m b er o f T ra n si ti o n

  • Evaluation of partial discharge in inverter driven medium voltage propulsion coils

    Creator:
    Ramme, André
    Abstract:
    Advancements in power electronics to higher power levels and faster switching times allow new machine and systems designs, but also create higher stresses on electric machinery insulation. High performance, pulse-width modulated (PWM) inverters are now available for medium voltage drive systems, and are being considered by the U.S. Navy as...
    Resource Type:
    Dissertation
    Full Text:
    : Evaluation of Partial Discharge in Inverter Driven Medium Voltage Propulsion Coils. Abstract approved: K

  • Adaptive load balancing metric for WLANs

    Creator:
    Ryou, Jong bum
    Abstract:
    As the number of mobile devices accessing large-scale WLANs such as campus and metropolitan area networks increases, the need for load balancing among the cells becomes crucial. In addition, the network must also support some minimum handoff tolerance defined by an application. A number of load balancing techniques have been...
    Resource Type:
    Dissertation
    Full Text:
    Diagram for M/M/1/K. . . . . . . . . . . . . . . . 45 4.8 Maximum Waiting Time for Accessing a Channel