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  • A self-calibrated, reconfigurable RF LNA

    Creator:
    Jayaraman, Karthik
    Abstract:
    Modern wireless System-on-Chips (SoCs), such as mobile handsets, sensor networks, and mm-wave systems, integrate an entire RF system on a single CMOS chip. Such highly complex systems require significant on-chip digital signal processing to help improve the performance of highly sensitive analog/RF components. The IC market being competitive, the ability...
    Resource Type:
    Masters Thesis
    Full Text:
    23, 2009 All Rights Reserved A Self-Calibrated, Reconfigurable RF LNA by Karthik Jayaraman A

  • Aerosol optical depths and direct radiative forcing for INDOEX derived from AVHRR: Theory

    Creator:
    Coakley, James A., Jr., Tahnk, William R., Jayaraman, A., Quinn, Patricia K., Devaux, Claude, and Tanré, Didier
    Abstract:
    A scheme is presented for retrieving aerosol properties for ocean regions from reflected sunlight at both the visible and near infrared wavelengths measured by the NOAA advanced very high resolution radiometer (AVHRR). For the Indian Ocean Experiment (INDOEX), aerosols were presumed to be a mixture of a continental haze that...
    Resource Type:
    Article
    Full Text:
    and Atmospheric Sciences, Oregon State University, Corvallis, Oregon, USA A. Jayaraman Planetary

  • Determination of the Filippov solutions of the nonlinear oscillator with dry friction

    Creator:
    Moreland, Heather L.
    Abstract:
    In previous papers by Awrejcewicz in 1986 and Narayanan and Jayaraman in 1991, it was claimed that the nonlinear oscillator with dry friction exhibited chaos for several forcing frequencies. The chaos determination was achieved using the characteristic exponent of Lyapunov which requires the right-hand side of the differential equation to...
    Resource Type:
    Masters Thesis
    Full Text:
    previous papers by Awrejcewicz in 1986 and Narayanan and Jayaraman in 1991, it was claimed that the

  • Characterizing and Addressing Dataset Shift with Deep Learning

    Creator:
    Olson, Matthew L.
    Abstract:
    This dissertation delves into understanding, characterizing, and addressing dataset shift in deep learning, a pervasive issue for deployed machine learning systems. Integral aspects of the problem are examined: We start with the use of counterfactual explanations in order to characterize the behavior of deep reinforcement learning agents in visual input...
    Resource Type:
    Dissertation
    Full Text:
    dataset shift in deep learning, a pervasive issue for deployed machine learning systems. Integral aspects

  • Transition metal solar absorbers

    Creator:
    Altschul, Emmeline Beth
    Abstract:
    A new approach to the discovery of high absorbing semiconductors for solar cells was taken by working under a set of design principles and taking a systemic methodology. Three transition metal chalcogenides at varying states of development were evaluated within this framework. Iron pyrite (FeS₂) is well known to demonstrate...
    Resource Type:
    Masters Thesis
    Full Text:
    : Transition Metal Solar Absorbers Abstract approved: Douglas A. Keszler A new approach to the

  • Modeling and application of multispectral oceanic sun glint observations

    Creator:
    Luderer, Gunnar
    Abstract:
    The atmospheric radiative transfer model MOCARAT was developed and is presented in this thesis. MOCARAT employs a Monte Carlo Technique for the accurate modeling of band radiances and reflectances in an atmospheric system with a ruffled ocean surface as a lower boundary. The atmospheric radiative transfer is modeled with consideration...
    Resource Type:
    Masters Thesis
    Full Text:
    Application of Multispectral Oceanic Sun Glint Observations Abstract a James A. Co,ley, Jr. The atmospheric

  • Moisture Resistance of Wood-Based Composite Materials

    Creator:
    Molina, Luis
    Abstract:
    Dimensional stability of wood-based composites with changing moisture content remains an important challenge in the industry for many applications. Wood modification technologies have shown significant improvement in dimensional stability by altering the chemistry of the wood substrate, or by filling the available space in the wood microstructure that otherwise would...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Dr. Frederick A. Kamke Dr. Scott Leavengood Dimensional

  • A Report on the Goat Industries of Oregon

    Creator:
    Lamphere, Charlotte A.
    Abstract:
    Goats were the first livestock species to be domesticated by humans and continue to function as a key source of protein and economic value for many communities. In the sixteenth century, Spanish colonists brought goats to the Americas. Unlike other nations, the United States did not maintain a significant market...
    Resource Type:
    Honors College Thesis
    Full Text:
    A Report on the Goat Industries of Oregon by Charlotte

  • Accounting for Heterogeneity Corrections in Breast Brachytherapy

    Creator:
    Rogers, Kevin L.
    Abstract:
    Purpose: Model-based dose calculation algorithms (MBDCAs) have become clinically available within the past several years in commercially available brachytherapy planning systems. This work investigates the application of a 510(k) approved MBDCA Acuros™ BV and establishes a reproducible method of validation. The research is broken into three primary research goals. The...
    Resource Type:
    Dissertation
    Full Text:
    Camille J Palmer Kathryn A Higley Purpose: Model-based dose calculation algorithms (MBDCAs) have

  • Characterization of high temperature fatigue mechanisms in Haynes 282 nickel based superalloy

    Creator:
    Rozman, Kyle A.
    Abstract:
    Electric power needs will only grow over the next decades as more humans ascend from poverty into the middle class. Currently, the majority of electric power is generated by burning fossil fuels. To help mitigate the undesirable effects of burning fossil fuels research is being done to increase the efficiency...
    Resource Type:
    Dissertation
    Full Text:
    THE DISSERTATION OF Kyle A. Rozman for the degree of Doctor of Philosophy in Materials Science