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  • Investigation of electric field-induced optical absorption changed in CdS

    Creator:
    Shimoda, Raynor Yoichi
    Abstract:
    The feasibility of using the Franz-Keldysh effect in practical light intensity controlling devices was investigated. Reverse-biased diodes made from CdS were implemented to obtain high electric fields necessary for the effect. The three types of diodes studies were: MIS, metal-semiconductor barrier, and p⁺-n heterojunction. An expression for the change in...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF RAYNOR YOICHI SHIMODA for the

  • Preliminary design of the RTAF command and control two-level parallel computing system

    Creator:
    Meesajjee, Chulit
    Abstract:
    This paper investigates the benefit of various parallel processing architectures for a Command and Control system for the Royal Thai Air Force. Parallel processing has been shown to be useful for air defense and air traffic control applications. Its advantages are examined within the constraint imposed by the available resources...
    Resource Type:
    Dissertation
    Full Text:
    Preliminary design of the RTAF command and control two

  • Analysis and synthesis of exponentially tapered, nonuniform transmission line impedance transformers

    Creator:
    David, Frank Kolar
    Abstract:
    The exponentially tapered, nonuniform transmission' line, applied as an impedance transformer, is analyzed and modified. The analysis develops an expression for the input reflection coefficient that has the magnitude and phase as distinct functions. This allows ease in comparing the approximate and exact solutions and in developing the S-parameters for...
    Resource Type:
    Masters Thesis
    Full Text:
    transmission line impedance transformers AN ABSTRACT OF THE THESIS OF Frank David for the degree Master of

  • A computer simulation model of land use dynamics in the State of Oregon

    Creator:
    Calligan, C. C.
    Abstract:
    The dynamics of land use in the State of Oregon are simulated on a digital computer. The introductory chapter outlines the complex nature of the problems facing the post-industrial society and argues that the scientific and professional estates share in the responsibility for public policy formulation. The second chapter .presents...
    Resource Type:
    Dissertation
    Full Text:
    A computer simulation model of land use dynamics in the

  • The use of electromagnetic Walsh waves in radar

    Creator:
    Schaffer, Alvin
    Abstract:
    The question of the suitability of Walsh functions or similar bi-valued functions used as a radar electromagnetic carrier waveform is considered. Walsh functions are described and effective sinusoidal steady state transfer functions are defined for transmission elements, antenna systems, and propagation media. The argument is made that the unit impulse...
    Resource Type:
    Dissertation
    Full Text:
    The use of electromagnetic Walsh waves in radar AN

  • Parameter and volterra-kernel estimation of bilinear systems

    Creator:
    Baheti, Radhakisan Sohanlal
    Abstract:
    It has been established that bilinear models occur frequently in nature and offer some important advantages from the standpoint. of controllability, optimization and modeling. The estimation of bilinear systeim models from the Measurements of input-output data are discussed. In the first approach a parametric model of a discrete-time linear system...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Radhakisan Sohanlal Baheti for

  • A new comptutational method for constrained nonlinear programming

    Creator:
    Bhatia, Surendra P. S.
    Abstract:
    In this dissertation, a new computational method for equality constrained nonlinear programming is developed. Specifically, problems of minimizing a nonlinear objective function f(x) subject to constraints h(x) = 0, where f is a scalar valued, x is an n-vector and h is a m-vector with m < n is considered....
    Resource Type:
    Dissertation
    Full Text:
    programming AN ABSTRACT OF THE THESIS OF Surendra P. S. Bhatia for the degree of Doctor of Philosophy in

  • A new loop structure for distributed microcomputing systems

    Creator:
    Jafari, Hossein
    Abstract:
    A new modular loop architecture for distributed computer systems has been developed and compared with three of the most prominent loop architectures currently being used. The competitive loops with which the new architecture has been compared are the Newhall loop, the Pierce loop and the DLCN loop. The four loop...
    Resource Type:
    Dissertation
    Full Text:
    systems AN ABSTRACT OF THE THESIS OF Hossein Jafari for the degree of Doctor of Philosophy Electrical

  • A study of time series interpolation and decimation with signal processing applications

    Creator:
    Kraemer, Thomas Fredrick
    Abstract:
    Decimation and interpolation is shown to be an effective technique for reducing the storage requirements for bandlimited time series. Interpolation and decimation is theoretically developed using z-transform theory and graphically interperted. A sequence of data acquired by sampling a sonar signal is used to demonstrate the effects of decimation. Using...
    Resource Type:
    Masters Thesis
    Full Text:
    , "Digital Signal Processing Approach to Interpolation," Proceedings of the IEEE, Vol. 61, pp. 692-702, June

  • Designing a high level microprogramming language

    Creator:
    Malik, Kamran
    Abstract:
    The purpose of this research is to design a high level language (HLL) suitable for microprogramming. A top down design technique has been adopted which makes the language design process simple and accurate. The primitive operations of a high level language for producing emulators is shown to include special purpose...
    Resource Type:
    Dissertation
    Full Text:
    ABSTRACT OF THE THESIS OF KAMRAN MALIK for the degree of DOCTOR OF PHILOSOPHY in E1F.CTRICAL AND COMPUTER