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Thesis (M.S.)--Ohio University, March, 1986. / Title from PDF t.p. Five figures in pocket.

Thesis (Ph. D.)--University of Texas at Austin, 2003. / Vita. Includes bibliographical references. Available also from UMI Company.

Thesis (M.S.: Electrical Engineer)--Naval Postgraduate School, September 2002. / Thesis advisor(s): Phillip E. Pace, Herschel H. Loomis, Jr. Includes bibliographical references (p. 151-152). Also available online.

Thesis (Ph. D.)--University of Wisconsin--Madison, 1970. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

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[pt] Este trabalho se propõe a examinar as propriedades da Transformada (epsilon) - Herglotz e sua aplicação aos filtros digitais, permitindo explicitar a relação entre módulo e fase da função de transferência de um sistema causal a partir de seu módulo. É apresentada, também, uma extensão da Transformada epsilon - Herglotz Conjugada que permite determinar a característica de módulo da função de transferência de fase é arbitrada. O caso particular da fase linear é estudado, é proposto um algarismo de aproximação e são apresentados exemplos. / [en] This work examines the caracteristics of the epsilon - herglotz Transform and its application to digital filters, leading to the relationship between the magnitude and phase of the transfer function of a causal system from its magnitude function. It also presents an extension of this result to the phase through the definition of a Conjugated epsilon - Herglotz Transfom, which allows the determination of the magnitude characteristic of the transfer function of the causal system when its phase characteristic is given. The special case of the linear phase is analysed, an approximation algorithm is suggested and examples are also presented.

The purpose of this thesis is to formulate a technically sound approach to designing Infinite Impulse Response (IIR) digital filters using high-level modeling tools. High-level modeling tools provide the ability to build and simulate ideal models. Once proper validation is complete on these ideal models, the user can then migrate to lower levels of abstraction until an actual real world model is designed. High-level modeling tools are the epitome of the top-down design concept in which design first takes place with the basic functional knowledge of a system. With each level of abstraction, validation is performed. High-level modeling tools are used throughout industry and their application is continually growing especially in the DSP area where many modes of communications are expanding. High-level modeling tools and validation significantly address this complex expansion by utilizing an ideal representation of a complicated network. / Master of Science

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