Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 4516 for “"Communications"”.
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Personal communications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1991.
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Antifragile Communications
… is an ongoing threat that plagues wireless communications in contested areas. Unfortunately, jamming complexity and sophistication will continue to increase over time. The traditional approach to addressing the jamming threat is to harden radios, such that they sacrifice communications …
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Determining Communications Resource Feasibility in a Tactical Communications Network
In this paper, we present solutions concerning communications resource allocation for tactical communication networking. Given a mission definition (which defines communication needs among participants) and participant capabilities (such as processing power and bandwidth), algorithms are presented …
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I-Centric Communications
Diese Arbeit beschreibt die Vision I-centric Communications ein neues Paradigma für zukünftige Telekommunikationssysteme. Das Hauptziel dieses Ansatzes ist es das menschliche Kommunikationsverhalten und nicht die Technologien die typischerweise zur Kommunikation eingesetzt werden, als Ausgangsbasis …
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Microcomputer communications & planning
… yet to be addressed however, is microcomputer communications, an industry which is growing rapidly. The purpose of this thesis is to conduct an initial exploration and description of microcomputer communications within a planning context. Following a definition of the subject, a terminology …
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Multilevel Parallel Communications
<p>The research reported in this thesis investigates the use of parallelism at multiple levels to realize high-speed networks that offer advantages in throughput, cost, reliability, and flexibility over alternative approaches. This research specifically considers use of parallelism at two levels: …
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Optical wireless communications
… of a promising future is infrared optical communications.This project explores the fundamental aspects involved in designing and building a transmitter and a receiver as part of an infrared optical wireless link for indoor use. It is mainly concerned with extracting as much bandwidth as …
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Personal communications services: improving theater deployable communications for the 21st century
Personal Communications Services (PCS) may be the key ingredient for vastly improved military communications capabilities at the turn of the century. The Federal Communications Commission (FCC) defines PCS as a family of mobile or portable radio communications services which could provide services …
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Transatlantic communications communications and literature in the religious revivals, 1735-1745
[Preface:]The religious revivals of the mid-eighteenth century in America, Scotland, Wales, England, and parts of Continental Europe have attracted a growing number of historians during the last ten years, and have been recognized as mass movements heralding a new type of religious life. Having …
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Power line communications systems
The purpose of this project is to determine the performance of a Power line communication connection by measuring its propagation characteristics. For power line communication to become efficient, a model of their behaviour at frequencies from 0 to 30 MHz is required. The attenuation and phase …
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Minimum-delay HF communications
HF radio communications offer latency advantages over fiber-optics and are more economical than satellite links in long-distance communication applications. As a result, there is renewed interest in the field of HF from the high-frequency trading industry, as a means of transmitting financial data. …
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An optical communications link
… for, and prototypes of, an opto-electric voice communications link. The introductory sections deal with the generalised optical communications channel, the available hardware, and some of the research that has been done in the field. The information presented is used to motivate the type of …
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Effective construction project communications
… negatively affected due to ineffective project communications. This gives rise to the concern that construction project communications can contribute to late or inappropriate actions by participants that can negatively affect project delivery. This informed the research question: "How can …
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Equalizers for communications satellites
… equalization for advanced protected satellite communications systems in development at MIT Lincoln Laboratory. Equalizers facilitate high data rate communication by correcting dispersion in the transmitter and receiver signal chains. An automated calibration procedure for finding optimal …
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Directiveness in promotional communications
… on receiver responses to one-sided and two-sided communications and high and low involvement topics. Directiveness was found to have significant impact on receiver responses depending on the receiver's level of involvement. The main implication of this research is that how a persuasive …
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Power Electronics System Communications
This work investigates communication issues in high-frequency power converters. A novel control communication network (Power Electronics System Network or PES Net) is proposed for modular, medium and high-power, converters. The network protocol, hardware and software are designed and implemented. …
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Adaptive reception for underwater communications
… and the ambient noise. Traditional acoustic communications have involved a priori matching of the signaling parameters to the expected characteristics of the channel. To achieve more robust communications, as well as high quality of service, it is necessary to develop a type of adaptive …
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