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 101 for “"long-haul"”.
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Decarbonizing Long-haul Trucking
… a growing transportation demand? Especially for long-haul class 8 trucks, this question is difficult to answer. This study seeks to elucidate potential competitive powertrain and fuel combinations and eliminate other poor alternative options.
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Nonlinearly regenerated long haul data transmission
… for optical fibre transmission over ultra long haul distances. Its format firstly examines the use of dispersion management as a means of achieving long haul communications. Secondly, examining the use concatenated NOLMs for DM autosoliton ultra long haul propagation, by comparing their …
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Ultra-long haul optical fibre transmission systems
… follows the chronological evolution of ultra-long haul optical systems, commencing with opto-electronic regenerators as repeaters, progressing to optically amplified NRZ systems and finally solitonic propagation. In each case recirculating loop techniques are deployed to simplify the …
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Long haul fleet assignment : models, methods and applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1995.
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Multilevel Nyquist-WDM Ultra-Long-Haul Coherent Optical Transmission Systems
… for the highest data channel capacity in ultra-long-haul links. More in details, Nyquist filtered multilevel optical modulation formats (QPSK, 8QAM and 16QAM) have been investigated as candidates for the efficient transmission of information (toward the Shannon limit). Wavelength division …
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Consumer satisfaction and dis-satisfaction with long-haul inclusive tours
… satisfaction and dis-satisfaction (CS/D) with long-haul inclusive tours. An emphasisis placed on the supposed antecedents of CS/D - expectation, performance, disconfirmation, attribution, emotion, equity - and the change in CS/D through time. The research rationale was orientated to both the …
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Stated Preference Study of Long-Haul Commercial Vehicle Route Choice Behavior
… to worsen as e-commerce continues growing alongside population and economic development. Alternatively, tolled corridors such as Highway ON-407ETR have the potential to minimize congestion by re-distributing system-wide traffic and lowering negative environmental and economic impacts. …
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An exploratory study of Taiwanese long-haul package tour customers' satisfaction
… tourist satisfaction when customers are taking a long-haul package tour. The primary data was collected using three different research methods: in-depth, semi-structured face-to-face interviews with managers from 19 randomly selected Taiwanese travel agencies; participant observation of a ten day …
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High Data Rate Coherent Optical OFDM System for Long-Haul Transmission
… proposing it as a modulation technique for the long-haul transmission in both direct and coherent detection. However, Coherent Optical OFDM (CO-OFDM) is the next generation technology for the optical communications, since it integrates the advantages of both coherent systems and OFDM systems. It …
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Decision-aiding and optimization for vertical navigation of long-haul aircraft
Most decisions made in the cockpit are related to safety, and have therefore been proceduralized in order to reduce risk. There are very few which are made on the basis of a value metric such as economic cost. One which can be shown to be value based, however, is the selection of a flight profile. …
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Social Equity for the Long Haul: Preparing Culturally Competent Public Administrators
Each year, over 6,000 students complete Master of Public Administration (MPA) degrees in over 200 university accredited programs. Many of these graduates commit to a career in the public service in one of thousands of public sector organizations at all levels of government or in the non-profit …
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On IP over WDM burst-switched long haul and metropolitan area networks
… performance analysis of the WDM burst-switched long haul and Metropolitan Area Networks (MANs). Theoretical analysis and simulation results are reported to demonstrate the system performance and efficiency of proposed algorithms. A novel transmission mechanism, namely, the Forward Resource …
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A Systems Analysis and Technology Roadmap for Autonomous Long-Haul Cargo Transport
… technologies to enable driverless operations. Long haul trucking/ freight applications are expected to see the deployment of autonomous technologies before they are deployed in consumer cars given the deterministic operational design domain the trucks operate in. Most of the current R&D on …
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Solving the long haul crew pairing problem dc by Rajesh Gopaladrishna Shenoi.
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1994.
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Ultra-Long-Haul Commercial Operations: An Assessment of Current Health and Safety Standards
<p>The international and national authorities, manufacturers, and commercial airlines have invested extensively in-flight crew operational research and aircraft system development in preparation for ULH flights. Conversely, the progress on health and safety and its impact and standards has received …
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Digital Optical Performance Monitoring of Coherent Long-Haul and Metropolitan Optical Fiber Links
L'abstract è presente nell'allegato / the abstract is in the attachment
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Bringing long-haul destinations closer: the role of music in destination promotional videos
… promotional videos: music. The title, "Bringing long-haul destinations closer: the role of music in destination promotional videos" aptly captures the core of this doctoral dissertation, whose main objective is to understand the role of music in destination promotional videos of long-haul …
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Characterization and short term forecasting of the US long haul truckload spot market
Accurate forecasting of transportation costs is a key step in logistical planning. It helps buyers and sellers of transportation services make better decisions at all stages of a supply chain, thus creating a significant need to develop forecasting techniques that give useful results. First, we …
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Improving fairness, throughput and blocking performance for long haul and short reach optical networks
… (OCS) and optical burst switching (OBS) for long haul, and datacenter networks. Extensive simulations tests have been conducted to evaluate the effectiveness of the proposed algorithms. These simulation tests were performed over a number of network topologies such as ring, mesh and U.S. …
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Comparative Energy Efficiency Analysis for Hydrogen and Jet Fuel in Next-Generation Long-Haul Aircraft
… based approach was used to model long-haul hydrogen-powered aircraft and quantify fuel burn performance across a range of off-design missions. No engine thermodynamic improvements from using cryogenic fuel were assumed. Furthermore, sensitivity analyses were performed with respect …
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