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  • Substrate noise coupling analysis in 0.18um silicon germanium (SiGe) and silicon on insulator (SOI) processes

    Creator:
    Pham, Hui En
    Abstract:
    Analysis of substrate noise coupling has been performed for a 0.18¹m lightly doped silicon germanium BiCMOS process. Techniques to minimize noise coupling in the chip and board design are presented, as well as methods for accurate modeling for substrate noise coupling simulations. Measurements from a test chip were taken to...
    Resource Type:
    Masters Thesis
    Full Text:
    Substrate Noise Coupling Analysis in 0.18µm Silicon Germanium (SiGe) and Silicon on Insulator (SOI

  • UWB Low Power RF System for Localization

    Creator:
    Sheokand, Anoop
    Abstract:
    Real time indoor positioning awareness systems aim to add localization capabilities to upcoming wireless technologies that are quickly becoming an important feature for indoor environment. RF-based impulse-radio ultra-wideband (IR-UWB) is a promising technology for in-door positioning systems due to obstacle penetration capabilities, immunity to multi-path and fading, and high resolution....
    Resource Type:
    Masters Thesis
    Full Text:
    technology. It was based on the recommenda- tion submitted by ECC of the European Conference of Postal and

  • Terahertz Induced Non-linear Electron Dynamics in Nanoantenna Coated Semiconductors at the Sub-picosecond Timescale

    Creator:
    Stickel, Andrew
    Abstract:
    This dissertation is an exploration of the material response to Terahertz (THz) radiation. Specifically we will explore the ultrafast electron dynamics in the nonperturbative regime in semiconductors that have been patterned with nanoantenna arrays using broadband, high intensity, THz radiation. Three main semiconductor materials will be studied in this work....
    Resource Type:
    Dissertation
    Full Text:
    the degree of Doctor of Philosophy in Physics presented on August 10, 2016. Title: Terahertz Induced

  • Accurate and efficient simulation of synchronous digital switching noise in system on a chip

    Creator:
    Habal, Husni
    Abstract:
    A new method is presented to compress switching information in large digital circuits. This is combined with an efficient approach of generating the noise signatures of cells in a digital library that results in an accurate and efficient approach for estimating the noise generated in digital circuits. This method provides...
    Resource Type:
    Masters Thesis
    Full Text:
    Efficient Simulation of Synchronous Digital Switching Noise in Systems on a Chip Abstract approved

  • Effects of jet aircraft overflights and other potential disturbances on behavioral responses and productivity of nesting peregrine falcons

    Creator:
    Nordmeyer, Dana L.
    Abstract:
    In order to examine the potential impact of military jet overflights and other disturbances on productivity of peregrine falcons (Falco peregrinus), we observed behavioral reactions of peregrines to disturbances at nests along the Tanana River, Alaska during the 1995-1997 breeding seasons. Military jets conducted low-altitude flights over a sample of...
    Resource Type:
    Masters Thesis
    Full Text:
    noise monitors (ANMs), which collect and store data on noise disturbance levels, were deployed at each

  • Reactively sputtered films of silicon nitride for diffusion masking

    Creator:
    Delzer, Dennis Richard
    Abstract:
    The experimental procedure for reactively sputtering films of silicon nitride together with the methods for measuring the film thickness have been investigated. Some of the properties of these nitride films were studied. These properties included: infrared spectrum, etching properties, and index of refraction. The adherence of the films was also...
    Resource Type:
    Masters Thesis
    Full Text:
    of Silicon Nitride.... 32 A. Effect of Cathode -Substrate Distance on Film Thickness 32 B

  • The Effects of Road Noise on Pacific Chorus Frog Communication

    Creator:
    Nelson, Danielle V.
    Abstract:
    Amphibians are experiencing global population declines and are one of the most threatened groups of vertebrates. This can be attributed to multiple environmental stressors such as habitat loss, disease, invasive species, and climate change. For vocal amphibian species, loss of acoustic habitat due to anthropogenic noise may be yet another...
    Resource Type:
    Masters Thesis
    Full Text:
    The Effects of Road Noise on Pacific Chorus Frog Communication

  • Development and Evaluation of an Animal-borne Active Acoustic Tag to Conduct Minimally Invasive Behavioral Response Studies on Marine Mammals

    Creator:
    Fregosi, Selene
    Abstract:
    Development of new research tools is needed to better understand the potential effects of a noisier ocean on individual and populations of marine mammals. Current behavioral response studies utilize ship-mounted sound sources to induce short-term noise-related behavioral responses in tagged animals. Combining the tag with the sound source into an...
    Resource Type:
    Masters Thesis
    Full Text:
    ................................................................................................ 3 Effects of noise on marine mammals

  • Parental care of peregrine falcons in interior Alaska and the effects of low-altitude jet overflights

    Creator:
    Palmer, Angela G.
    Abstract:
    To assess the impact of low-altitude jet overflights on parental care, we examined nest attendance, time-activity budgets, and provisioning rates of 21 Peregrine Falcon (Falco peregrinus) pairs breeding along the Tanana River, Alaska in 1995 and 1996. Several intrinsic and extrinsic factors influenced attributes of nesting behavior. Female nest attendance...
    Resource Type:
    Masters Thesis
    Full Text:
    Master of Science in Wildlife Science presented on December 14, 1998. Title: Parental Care of Peregrine

  • Two-dimensional temperature model for target materials bombarded by ion beams

    Creator:
    Bostick, Kent C.
    Abstract:
    The ion implantation process is a very precise, controllable, and reproducible method used to enhance material properties of finished components such as ball bearings. Essentially, the target material is bombarded by accelerated ions to form a thin alloyed layer in the substrate. As the ions deposit their kinetic energy in...
    Resource Type:
    Masters Thesis
    Full Text:
    , S.N., "U.S. Navy Manufacturing Technology Program on Ion Implantation", Materials Science and