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.
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Showing 1 to 20 of 24 for “"Delay Analysis"”.
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Delay analysis of Pacific Fleet Underway Replenishments
An operational analysis of the delays incurred in Underway Replenishments of the Pacific Fleet, December, 1967 - April, 1969, is conducted. Twenty specific delays are analyzed from the UNREP data of which more than 80%, was from UNREPs conducted in Southeast Asia by supply ships providing logistic …
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Delay Analysis of Digital Circuits Using Prony's Method
… applications of Prony's method in timing analysis of digital circuits. Such applications include predicting the future shape of the waveform in DTA(Dynamic Timing Analysis) and delay look-up table in STA(Static Timing Analysis). Given some equally spaced output values, the traditional …
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Throughput and delay analysis of frequency hopped multiple access networks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.
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Delay analysis of satellite packet broadcasting systems: a queueing theoretic approach
… This thesis also analyzes message queueing delay when users of the network are generating data at moderate to high rates. Average packet delay and average number of packets in the system are formulated. The model developed herein is applied to two cases. In the first case packet transmission …
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A computer integrated system for construction delay analysis : time and impact costs
… attempts are made to identify the causes of delays, modify the schedule by incorporating revised durations, and determine the impacts associated with the new project time. The analysis itself is usually complex and can be aided by a computerized approach. In this work, the advantages and the …
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Communication protocols, queuing and scheduling delay analysis in CANDU SCWR hydrogen co-generation model
… Issues associated with NCSs are time-varying delays, timevarying sampling intervals and loss of data due to packet drop outs. Delays are also associated with software chosen, control system architecture and computation load. CANDU-SCWR hydrogen co-generation model reliability can be analyzed …
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An Enhanced RCS Heuristic and an Enhanced RCPM Algorithm to Perform Delay Analysis in Schedules without Phantom Float
… impossible the anticipation of the impact of a delaying event in the project completion time. Several algorithms have been developed to address the shortcomings of RCS methods. These RCS related algorithms were developed with the aim of providing project managers a tool to correctly schedule and …
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Real-Time and Energy-Efficient Routing for Industrial Wireless Sensor-Actuator Networks
… contributions. (1) We present a new end-to-end delay analysis for feedback control loops whose transmissions are scheduled based on the Earliest Deadline First policy. (2) We propose a new real-time routing algorithm that increases the real-time capacity of WSANs by exploiting the insights of …
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Medium access delay evaluation for distributed queueing dual bus (DQDB) MAC protocol
… in terms of node-dependent medium access delay. In this paper a mathematic model is formulated to describe this detrimental behavior of DQDB. The access control method is first modeled as a M/G/1 queueing system with a single priority level, then it is remodeled as a non-preemptive …
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Apportioning liability in construction delay claims : an evaluation of contemporary practices in the U.A.E. and a proposal for improvements
… for apportioning liabilities inconstruction delay claims. Yet, there is no much consensus among the practitionerstowards them. Often, the implementation of these theories, concepts and methodologies ina project is based on Decision Makers' (DMs) individual judgments. Individualjudgments are …
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High-speed Type-II GaAsSb/InP DHBTs for mixed-signal IC applications
… InP DHBT. Small-signal modelling and time delay analysis show that a composition-graded AlGaAsSb base can greatly reduce the base transit time and improve device RF performance. Chapter 5 details the design and performance of a doping-graded GaAsSb base Type-II GaAsSb/InP DHBT. Small-signal …
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Common cyclicities in seismicity and water level fluctuations at the Charlevoix seismic zone of the St. Lawrence River
… per unit time (magnitude independent). Residual analysis, applied to the strain factor time series, indicates a cyclical variation of the seismicity with long term periods ranging from 65 to 70 years. Fourier spectral analysis, applied on both strain factor and number of events time series, …
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Assessing the Performance of an Emergency Vehicle Preemption System: A Case Study on U.S. 1 in Fairfax County, Virginia
… of EVP related to EV safety, and the potential delay to EVs and vehicles on the side street. The method uses EV-specific conflict point and delay analysis with video and other data collected in a field study conducted in Northern Virginia at the intersection of Southgate Drive and U.S. 1. EV …
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Modeling and Optimization of Wireless Routing
… We study two aspects of routing: algorithm analysis and Qos analysis. In the algorithmic work, we focus on how to build optimal broadcast trees. We investigate the optimality compatibility between three tree-based broadcast routing algorithms and routing metrics. The Qos work includes three …
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The assessment of risks caused by owner's delayed payments
… financial conditions, an owner may betake to delay her/his planned periodic interim payments (PI) to the contractor later than the expected date. Avoiding this kind of delay is very important for both owners and contractors. This study presents a simple mathematical model capable of predicting …
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Performance analysis of star architecture packet-switched VSAT networks using random code division multiple access
… of this research is to provide a performance analysis of multiple access protocols in packet-switched Very Small Aperture Terminal (VSAT) satellite communication networks. This research consisted of three major thrusts. First, we analyzed the average time delay of the broadcast Time Division …
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Delay-caused claims in infrastructure projects under design-bid-build delivery systems
Delay-caused claims lead to cost overruns in infrastructure projects due to the cost of construction time and impacts on related services. The purpose of this study was to evaluate the causes and effects of these claims on road and bridge projects and to create an effective claims management …
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An investigation into the use of construction delay and disruption analysis methodologies
Delay and disruption (DD) to contractors’ progress, often resulting in time and cost overruns, are a major source of claims and disputes in the construction industry. At the heart of the matter in dispute is often the question of the extent of each contracting party’s responsibility for the delayed …
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Coordination, Matchmaking, And Resource Allocation For Large-scale Distributed Systems
In this research, statistical models of airport delay and single flight arrival delay were developed. The models use the Airline On-Time Performance Data from the Federal Aviation Administration (FAA) and the Surface Airways Weather Data from the National Climatic Data Center (NCDC). Multivariate …
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