Index Catalog // Hyrax

Identification and analysis of simple models for the response time of complex computer systems

O Criador:: Maneshi, Reza
Abstract:: A simple approach to developing approximate analytical performance models for complex systems (such as distributed processing systems or computer networks) is presented. The approach is applicable in cases where measurement or simulation data describing system performance are available but the system is too complex for exact analytical models to be...
Resource Type:: Dissertation

Tone burst deconvolution

O Criador:: Rathja, Roy C.
Abstract:: The suitability of discrete least-squares optimal (Wiener) filters for deconvolution of tone-burst waveforms is studied. It is shown that: (1) such waveforms are not well suited to these filters without preprocessing, (2) the use of exponential weighting results in a significant improvement in filter performance and (3) that "phase-unwrapping" in...
Resource Type:: Dissertation

Conditionally Gaussian processes in stochastic control theory

O Criador:: Kolodziej, Wojciech Jan
Abstract:: An application of the theory of conditionally Gaussian random processes to filtering and stochastic control problems is presented here. The results due to Liptser and Shiryayev are proved to hold in the multidimensional case under somewhat relaxed conditions, when compared to the original ones. Such a generalization is required from...
Resource Type:: Dissertation

PRONTO : a product term reduction approach

O Criador:: Martinez-Carballido, Jorge Francisco
Abstract:: Regular structures such as PLA's are very important to reduce VLSI design time. Interest in CAD tools such as a practical reducing PLA generator is high. This dissertation presents PRONTO as a practical, near-optimal product term reduction method, whose general heuristic approach consists of the following four steps. First, select...
Resource Type:: Dissertation

Development of dependent failure reliability models for distributed communication networks

O Criador:: Assiri, Jafar A.
Resource Type:: Dissertation

Electrical and optical properties of semi-insulating and ion-implanted GaAs and InP

O Criador:: Rhee, Jin Koo
Abstract:: The electrical and optical properties of semi-insulating, epitaxial and ion-implanted GaAs and InP have been characterized and analyzed. Electron and hole traps in semi-insulating GaAs and InP, with activation energies ΔE[subscript T] ranging from 0.16 ± 0.01 to 0.98 ± 0.01 eV, have been detected and characterized by Photo-Induced Current...
Resource Type:: Dissertation

Defects and transport properties in In(1-x)Ga(x)As(y)P(1-y) and Ga(1-x)Al(x)As

O Criador:: Ku, Joseph W.
Resource Type:: Dissertation

An optimal control approximation for a certain class of nonlinear filtering problems

O Criador:: Halawani, Talal Umar
Abstract:: A new approximation technique to a certain class of nonlinear filtering problems is considered in this dissertation. The method is based on an approximation of nonlinear, partially-observable systems by a stochastic control problem with fully observable state. The filter development proceeds from the assumption that the unobservables are conditionally Gaussian...
Resource Type:: Dissertation

Computational methods for the quasi-TEM characteristics of fundamental MIC planar structures

O Criador:: Lee, Hyuckjae
Abstract:: Accurate and efficient computational methods to evaluate the quasi-TEM parameters of various planar structures such as microstrips, coplanar lines and coplanar waveguides are developed. The characteristic parameters of all these structures which are used extensively in microwave integrated circuits for applications as transmission lines and other circuit elements are computed...
Resource Type:: Dissertation

Optimization of stochastic dynamic system with random coefficients

O Criador:: Yi, Man Hyung
Abstract:: The problem of optimization of stochastic dynamic systems with random coefficients is discussed. Systems with both Wiener processes and uncertain random-process disturbances are dealt with in this dissertation, and these include certain bilinear stochastic systems. It is the purpose of this thesis to study the optimal control and, to some...
Resource Type:: Dissertation

Hyrax

Identification and analysis of simple models for the response time of complex computer systems

Tone burst deconvolution

Conditionally Gaussian processes in stochastic control theory

PRONTO : a product term reduction approach

Development of dependent failure reliability models for distributed communication networks

Electrical and optical properties of semi-insulating and ion-implanted GaAs and InP

Defects and transport properties in In(1-x)Ga(x)As(y)P(1-y) and Ga(1-x)Al(x)As

An optimal control approximation for a certain class of nonlinear filtering problems

Computational methods for the quasi-TEM characteristics of fundamental MIC planar structures

Optimization of stochastic dynamic system with random coefficients

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