Index Catalog // ScholarsArchive@OSU

Parametric manifolds

Creator:: Boersma, Stuart F.
Abstract:: A standard tool in general relativity is the 3+1 or ADM point of view, namely slicing spacetime into spacelike hypersurfaces of constant time and then describing physics in terms of time-dependent quantities on a typical such hypersurface. Much less well-known is the 1+3 point of view, in which one foliates...
Resource Type:: Dissertation

Distributional modes for quantum field theory in curved spacetimes

Creator:: Agnew, Alfonso F.
Resource Type:: Dissertation

A new look at the Ashtekar-Magnon energy condition

Creator:: Fischer, James P.
Abstract:: Quantum field theory has enjoyed much success, indeed for ordinary flat spacetime applications it has been experimentally verified to a great deal of accuracy. However on general cursed spacetime backgrounds there is no canonical method for constructing a quantum field theory. In 1975, Abhay Ashtekar and Anne Magnon made progress...
Resource Type:: Dissertation

Space time coding in MIMO systems

Creator:: Xian, Liang
Abstract:: Multiple-input multiple-output (MIMO) antenna technology is promising for high-speed wireless communications without increasing the transmission band- width. Space time coding (STC) is a scheme that employs multiple antennas to increase transmission rate or to improve transmission quality. STC is used widely in mobile cellular networks, wireless local area networks (WLAN)...
Resource Type:: Dissertation
Full Text:: Philosophy in Electrical and Computer Engineering presented on August 2, 2006. Title: Space Time Coding in

The effects of computer graphics and mira on aquisition of transformation geometry concepts and development of mental rotation skills in grade eight

Creator:: Pleet, Lawrence Joseph
Abstract:: The purpose of this study was to investigate: (1) whether the use of the Motions computer program will be more effective in the acquisition of transformation geometry concepts in eighth-grade students than the use of the Mira hands-on manipulative, (2) whether the use of the Motions computer program will be...
Resource Type:: Dissertation

Spatial visualization abilities of Central Washington State College prospective elementary and secondary teachers of mathematics

Creator:: Martin, Bernard Loyal
Abstract:: This investigation was designed to determine the extent to which students who are completing planned curricula in mathematics education are proficient in spatial visualization abilities and possess mathematical understandings. The effects of mathematics curricula upon the development of these abilities and understandings and the relationships between these abilities and understandings...
Resource Type:: Dissertation
Full Text:: gave of their time and talent: To Dr. Fred W. Fox for his inspiration, guidance, and construc- tive

Design of a Self-Regulating Deep Space Nuclear Reactor

Creator:: Robinson, Matthew Loren
Abstract:: An enabling technology for long duration, deep space missions is the availability of a high power, long-lived power supply. The goal of this work is the design of a self-regulating deep space nuclear reactor. The design objectives are to produce 250 kWth for a 25-year period using the presence of...
Resource Type:: Dissertation
Full Text:: -Regulating Two- Phase Fuel Space Nuclear Reactor”, presents the methodology and results that lead to an

Russet Burbank response to nitrogen fertilization and planting date

Creator:: Thornton, Robert Kim, 1957-
Abstract:: Studies addressed impacts of planting dates and variable N applications on numbers and size of Russet Burbank stems and stolon nodal position in relation to tuber growth and levels of hollow heart (HH) and brown center (BC). Low preplant N regimes produced larger tubers and final yields, and less HH...
Resource Type:: Dissertation

Experimental simulations of a rotating bubble membrane radiator for space nuclear power systems

Creator:: Al-Baroudi, Homan Mohammed-Zahid
Abstract:: A rotating, flat plate condensation experiment has been developed to investigate the heat of the Rotating Bubble Membrane Radiator (RBMR). The RBMR is a proposed heat rejection system for space applications which uses working fluid condensation on the inside surface of a rotating sphere to reject heat to space. The...
Resource Type:: Dissertation
Full Text:: microgravity environment of space by orienting the axis of rotation parallel to the gravitational vector and

Design techniques for wideband low-power Delta-Sigma analog-to-digital converters

Creator:: Wang, Yan
Abstract:: Delta-Sigma (ΔΣ) analog-to-digital converters (ADCs) are traditionally used in high quality audio systems, instrumentation and measurement (I&M) and biomedical devices. With the continued downscaling of CMOS technology, they are becoming popular in wideband applications such as wireless and wired communication systems,high-definition television and radar systems. There are two general realizations...
Resource Type:: Dissertation
Full Text:: (DT) switched-capacitor (SC) circuitry and the other employs continuous-time (CT) circuitry

ScholarsArchive@OSU

Parametric manifolds

Distributional modes for quantum field theory in curved spacetimes

A new look at the Ashtekar-Magnon energy condition

Space time coding in MIMO systems

The effects of computer graphics and mira on aquisition of transformation geometry concepts and development of mental rotation skills in grade eight

Spatial visualization abilities of Central Washington State College prospective elementary and secondary teachers of mathematics

Design of a Self-Regulating Deep Space Nuclear Reactor

Russet Burbank response to nitrogen fertilization and planting date

Experimental simulations of a rotating bubble membrane radiator for space nuclear power systems

Design techniques for wideband low-power Delta-Sigma analog-to-digital converters

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