This thesis includes two topics. The first topic is a ROM-less DDFS (Direct Digital Frequency Synthesizer) using a parabolic polynomial in-terpolation method with an offset adjustment. The second one is the de-sign and fabrication of a silicon-based OEIC(optoelectronic integrated circuit) comprising photodetectors and transimpedance amplifiers. The ROM-less DDFS employs a parabolic polynomial interpola?tion method with an offset adjustment, where an initial phase offset is added into parabolic polynomials. Besides, the pipelining architecture is adopted to improve the speed of the proposed DDFS. The OEIC uses the hybrid integration technique to integrate the III-V optoelectronic devices (photodetector) and CMOS integrated circuits (transimpedance amplifier) onto the same substrate (silicon substrate) by the wafer bounding technique. With the realization of the hybrid in-tegration, the bandwidth degeneration resulted from the traditional wire bounding can be avoided.

In the present study, a fully nonlinear 2-D finite difference scheme has been developed based on inviscid and incompressible flow in a rectangular tank. The rectangular tank is coupled to a linear elastic-supported structure made up by reinforced concrete. Wave breaking and run-up are not considered in the present numerical model due to the free surface is assumed as a single-value function. The main purpose of this study is to analyze interactions between sloshing forces generated by system vibrations and structure motions. The accuracy of present study is made by comparing to other reported numerical results and the consequence shows well agreement. The present study can be applied for designing various combinations of coupled structure systems for different necessity. The analyses of practical examples are also presented in this study. The present numerical model can provide a quick and accurate way on determining the natural frequencies of connecting fluid-structure system and this is hard to identify through experiment.

Polydimethylsiloxane(PDMS) thin films have the advantages of flexible , good chemicophysical properties , low energetic surface that supports the vertical anchoring of liquid crystal molecules , could be fabricated easily by Replica Molding Method , low cost and good optically transparent. We study of the use of PDMS in flexible liquid crystal displays and the Electro-Optical properties of LC flexible cell. In experiment we use PDMS to fabricate vertical alignment layer , elastomer substrate and spacer to maintain the Electro-Optical properties in flexible displays.

Thesis (Ph. D.)--University of Hong Kong, 2001. / Includes bibliographical references (leaves 235-249).

Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references. Available also from UMI Company.

Thesis (M.F.A.)--West Virginia University, 2002. / Title from document title page. Document formatted into pages; contains iii, 23 p. Includes abstract. Includes bibliographical references (p. 23).

Thesis (Ph. D.)--University of Texas at Austin, 2000. / Vita. Includes bibliographical references (leaves 92-97). Available also in a digital version from Dissertation Abstracts.

Thesis--West Virginia University. / Spine title: The Delphi method of forecasting to nursing education planning in West Virginia. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 126-129).

Thesis (M.S.)--West Virginia University, 2004. / Title from document title page. Document formatted into pages; contains x, 132 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 131).

Thesis (Ph. D.)--Ohio State University, 2004. / Title from first page of PDF file. Document formatted into pages; contains xiii, 116 p.; also includes graphics. Includes abstract and vita. Advisor: H.N. Nagaraja, Dept. of Statistics. Includes bibliographical references (p. 113-116).