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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
161

A DATA ACQUISITION SYSTEM FOR CT SCANNING DURING RADIOTHERAPY.

Strinka, Stephen Andrew. January 1984 (has links)
No description available.
162

PROCESSING AND INTERPRETATION OF AEROMAGNETIC DIGITAL IMAGES.

Coulter, David William. January 1984 (has links)
No description available.
163

High Performance CCSDS Processing Systems for EOS-AM Spacecraft Integration and Test

Brown, Barbara, Bennett, Toby, Betancourt, Jose 11 1900 (has links)
International Telemetering Conference Proceedings / October 30-November 02, 1995 / Riviera Hotel, Las Vegas, Nevada / The Earth Observing System-AM (EOS-AM) spacecraft, the first in a series of spacecraft for the EOS, is scheduled for launch in June of 1998. This spacecraft will carry high resolution instruments capable of generating large volumes of earth science data at rates up to 150 Mbps. Data will be transmitted in a packet format based upon the Consultative Committee for Space Data Systems (CCSDS) Advanced Orbiting Systems (AOS) recommendations. The Data Systems Technology Division (DSTD) at NASA's Goddard Space Flight Center (GSFC) has developed a set of high performance CCSDS return-link processing systems to support testing and verification of the EOS-AM spacecraft. These CCSDS processing systems use Versa Module Eurocard bus (VMEBus) Very Large Scale Integration (VLSI)-based processing modules developed for the EOS ground segment to acquire and handle the high rate EOS data. Functions performed by these systems include frame synchronization, Reed-Solomon error correction, fill frame removal, virtual channel sorting, packet service processing, and data quality accounting. The first of the systems was delivered in October 1994 to support testing of the onboard formatting equipment. The second and third systems, delivered in April 1995, support spacecraft checkout and verification. This paper will describe the function and implementation of these systems.
164

Comparison of EMP and HERO programs

Bogan, Willie R. C. 12 1900 (has links)
Approved for public release; distribution is unlimited / Because of the unique features of electromagnetic pulse (EMP) and Hazardous Electromagnetic Effects on Ordnance (HERO), much research and money has gone into protecting weapon systems and ordnance against it. The EMP and HERO phenomena do have a variety of differences and require differences of hardening technique to protect against it. However, they both involve radiation effects and can prematurely initiate ordnance via the electroexplosive device (EED). Protection of weapon systems and ordnance against electronic damage and upset plus EED initiation takes on more of an art form rather than science once basic principles are applied. Nevertheless by relating these two programs via the initiating temperature of the EED. they can be accurately compared with each other. Because of this observation, the two programs can be effectively combined to work jointly on ordnance hardening and protection including all forms of radiation type hazards, present and future. / http://archive.org/details/comparisonofemph00boga / Lieutenant. United States Navy
165

Aerothermodynamic analysis of a Coanda/Refraction jet engine test facility

Maraoui, André 12 1900 (has links)
Approved for public release; distribution is unlimited / A computer model of the Coanda Refraction Jet Engine Test Cell facility was developed using the PHOENICS computer code. The PIIOENICS code was utilized to determine the steady state aerothermal characteristics of the test cell during the testing of an E404 gas turbine engine with afterburner in operation. Computer generated aerothermodynamic field variables of pressure, velocity and temperature parameters were compared to operational field test data. Observations regarding compared results as well as system behavior are presented. Additionally, recommendations of the applications of PHOENICS to future modeling projects are made. / http://archive.org/details/aerothermodynami00mara / Lieutenant, United States Navy
166

Vergelyking van transaksie verwerkers in 'n oop, verspreide omgewing

17 March 2015 (has links)
M.Sc. (Computer Science) / Please refer to full text to view abstract
167

Auditing electronic computer data

Unknown Date (has links)
"The purpose of this paper is to make an analysis of the acceptability of electronic data processing system information to the independent auditor as a basis for reliance thereon in expressing an opinion regarding the financial statements under examination"--Introduction. / Typescript. / "August, 1958." / "Submitted to the Graduate Council of Florida State University in partial fulfillment of the requirements for the degree of Master of Science." / Advisor: Finley E. Belcher, Professor Directing Paper. / Includes bibliographical references (leaves 40-42).
168

Predictors of Local and Global Processing in Autistic and Typical Development

Drake, Jennifer E. January 2012 (has links)
Thesis advisor: Ellen Winner / Individuals with Autism Spectrum Disorder (ASD) have been shown to have a local processing bias: they are able to focus on the details of a visual display and ignore the overall whole and context (Mottron & Belleville, 1993; Mottron, Belleville, & Ménard, 1999). Typical individuals with the ability to draw realistically also show this local bias (Drake, Redash, Coleman, Haimson, & Winner, 2010; Drake & Winner, 2011). Two opposing theories have been proposed to account for the local processing bias in individuals with ASD. Some have argued that the local processing bias is at the expense of the ability to grasp the whole and that these individuals lack a "global bias" (Happé & Frith, 2006). According to this view, individuals with ASD have "weak central coherence." Mottron and his colleagues, however, have suggested that the local processing bias seen in ASD exists alongside intact global processing (Mottron & Belleville, 1993; Mottron et al., 1999). According to this view, individuals with ASD have "enhanced perceptual functioning." However, it is likely that these classifications overlook individual variations in local and global processing in the ASD and non-ASD population, some ASD and non-ASD individuals strong in both, weak in both, strong only in local, or strong only in global. If so it would be important to determine the predictors of each pattern, whether the same patterns of individual differences exist in the ASD and non-ASD population, and whether the predictors of each pattern are the same for ASD and non-ASD individuals. Four predictors of local and global processing (as assessed by a battery of tasks) were investigated: verbal IQ, nonverbal IQ, realistic drawing skill, and severity of ASD diagnosis. Participants in study 1 were non-ASD children; Participants in study 2 were ASD children; and those in study 3 were the combined sample of ASD and non-ASD children. Four major findings emerged. First, the predictors of local and global processing skill in the ASD population are the same as those in the non-ASD population. Second, the strongest predictor of local and global processing skills was realistic drawing skill, and not diagnosis, a novel finding. Third, as a group, ASD individuals performed no better and no worse on either local or global processing tasks than did non-ASD individuals, again a surprising and novel finding. Finally, and consistent with finding #2, children with strong performance in local and global processing also scored high in both drawing realism and nonverbal IQ. / Thesis (PhD) — Boston College, 2012. / Submitted to: Boston College. Graduate School of Arts and Sciences. / Discipline: Psychology.
169

Generating Chinese calligraphy masterpiece from tablet versions

Ding, Lian Chao January 2018 (has links)
University of Macau / Faculty of Science and Technology. / Department of Computer and Information Science
170

The re-design of PROSIM (a production management simulation) using interactive approach.

January 1984 (has links)
by Yeung Wei-ming. / Bibliography : leaf 116 / Thesis (M.B.A.)--Chinese University of Hong Kong, 1984

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