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Articles 7471 - 7500 of 10492
Full-Text Articles in Entire DC Network
On The Use Of Administrative Data For Workforce Development Program Evaluation, Kevin Hollenbeck
On The Use Of Administrative Data For Workforce Development Program Evaluation, Kevin Hollenbeck
External Papers and Reports
This report establishes that performance monitoring data may be used for program evaluation purposes, such as with process and net impact evaluation. Evidence supporting this assertion is gathered from the administrative data of the State of Washington that examines services provided to adults under the Workforce Investment Act (WIA). The report describes various empirical estimation techniques and summarizes the net impact estimators generated." The report offers guidance to policymakers and program administrators, who may be unfamiliar with the technical details of various analytical approaches, that although empirical results may appear complex or unstable, they can be used for program improvement. …
The Experimental Analysis Of The Political Economics Of Fisheries Governance, Samuel Mulenga Bwalya
The Experimental Analysis Of The Political Economics Of Fisheries Governance, Samuel Mulenga Bwalya
Open Access Dissertations
This dissertation combines the features of a regulated common pool resource (CPR) and the political institutions of lobbying to develop a formal model of fisheries governance; designs a laboratory fishery governance institution; and conducts economic experiments to test several hypotheses derived from the formal model. Specifically, the study analyzes how fishing firms invest in efforts to influence fishery regulations and management through lobbying. The study also analyses and compares cooperative behavior in voluntary contribution lobbying and the CPR environments. Experimental results show contributions to change suboptimal fishery regulations that are significantly below subgame perfection. In addition, contributions to raise the …
Analysis And Design Of A Modular Solar-Fed Fault-Tolerant Power System With Maximum Power Point Tracking, Hussam Al-Atrash
Analysis And Design Of A Modular Solar-Fed Fault-Tolerant Power System With Maximum Power Point Tracking, Hussam Al-Atrash
Electronic Theses and Dissertations
Solar power is becoming ever more popular in a variety of applications. It is particularly attractive because of its abundance, renewability, and environment friendliness. Solar powered spacecraft systems have ever-expanding loads with stringent power regulation specifications. Moreover, they require a light and compact design of their power system. These constraints make the optimization of power harvest from solar arrays a critical task. Florida Power Electronics Center (FPEC) at UCF set to develop a modular fault-tolerant power system architecture for space applications. This architecture provides a number of very attractive features including Maximum Power Point Tracking (MPPT) and uniform power stress …
Scene Monitoring With A Forest Of Cooperative Sensors, Omar Javed
Scene Monitoring With A Forest Of Cooperative Sensors, Omar Javed
Electronic Theses and Dissertations
In this dissertation, we present vision based scene interpretation methods for monitoring of people and vehicles, in real-time, within a busy environment using a forest of co-operative electro-optical (EO) sensors. We have developed novel video understanding algorithms with learning capability, to detect and categorize people and vehicles, track them with in a camera and hand-off this information across multiple networked cameras for multi-camera tracking. The ability to learn prevents the need for extensive manual intervention, site models and camera calibration, and provides adaptability to changing environmental conditions. For object detection and categorization in the video stream, a two step detection …
Development Of A Graphical User Interface For Cal3qhc Called Calqcad, Sheetal Gawalpanchi
Development Of A Graphical User Interface For Cal3qhc Called Calqcad, Sheetal Gawalpanchi
Electronic Theses and Dissertations
One of the major sources of air pollution in the United States metropolitan areas is due to automobiles. With the huge growth of motor vehicles and, greater dependence on them, air pollution problems have been aggravated. According to the EPA, nearly 95% of carbon monoxide (CO ) (EPA 1999) in urban areas comes from mobile sources, of which 51% is contributed by on road vehicles. It is well known fact that, carbon monoxide is one of the major mobile source pollutants and CO has detrimental effects on the human health. Carbon monoxide is the result of mainly incomplete combustion of …
Ascertaining The Growth Of A Company A System Dynamics Approach, Fakir Mohideen Noor Mohideen
Ascertaining The Growth Of A Company A System Dynamics Approach, Fakir Mohideen Noor Mohideen
Electronic Theses and Dissertations
Business is often about creating change for other businesses. At times, these changes affect only the company and at other times they affect the entire industry. There is a time in the life of a business when its fundamental way of functioning is questioned and is subjected to change. That change can mean an opportunity to rise to new heights, or it might even signal the beginning of the end. This fundamental change in any business is known as an inflection point. Understanding the nature of its inflection point and responding to that point suitably will help to safeguard a …
Enhancing Message Privacy In Wired Equivalent Privacy., Darshan Purandare
Enhancing Message Privacy In Wired Equivalent Privacy., Darshan Purandare
Electronic Theses and Dissertations
The 802.11 standard defines the Wired Equivalent Privacy (WEP) and encapsulation of data frames. It is intended to provide data privacy to the level of a wired network. WEP suffered threat of attacks from hackers owing to certain security shortcomings in the WEP protocol. Lately, many new protocols like WiFi Protected Access (WPA), WPA2, Robust Secure Network (RSN) and 802.11i have come into being, yet their implementation is fairly limited. Despite its shortcomings one cannot undermine the importance of WEP as it still remains the most widely used system and we chose to address certain security issues and propose some …
Rollback-Able Random Number Generators For The Synchronous Parallel Environment For Emulation And Discrete-Event Simulation (Spe, Ramaswamy Karthik Narayanan
Rollback-Able Random Number Generators For The Synchronous Parallel Environment For Emulation And Discrete-Event Simulation (Spe, Ramaswamy Karthik Narayanan
Electronic Theses and Dissertations
Random Numbers form the heart and soul of a discrete-event simulation system. There are few situations where the actions of the entities in the process being simulated can be completely predicted in advance. The real world processes are more probabilistic than deterministic. Hence, such chances are represented in the system by using various statistical models, like random number generators. These random number generators can be used to represent a various number of factors, such as length of the queue. However, simulations have grown in size and are sometimes required to run on multiple machines, which share the various methods or …
Creating Geo-Specific Road Databases From Aerial Photos For Driving Simulation, Dahai Guo
Creating Geo-Specific Road Databases From Aerial Photos For Driving Simulation, Dahai Guo
Electronic Theses and Dissertations
Geo-specific road database development is important to a driving simulation system and a very labor intensive process. Road databases for driving simulation need high resolution and accuracy. Even though commercial software is available on the market, a lot of manual work still has to be done when the road crosssectional profile is not uniform. This research deals with geo-specific road databases development, especially for roads with non-uniform cross sections. In this research, the United States Geographical Survey (USGS) road information is used with aerial photos to accurately extract road boundaries, using image segmentation and data compression techniques. Image segmentation plays …
A New Paradigm Of Modeling Watershed Water Quality, Fan Zhang
A New Paradigm Of Modeling Watershed Water Quality, Fan Zhang
Electronic Theses and Dissertations
Accurate models to reliably predict sediment and chemical transport in watershed water systems enhance the ability of environmental scientists, engineers and decision makers to analyze the impact of contamination problems and to evaluate the efficacy of alternative remediation techniques and management strategies prior to incurring expense in the field. This dissertation presents the conceptual and mathematical development of a general numerical model simulating (1) sediment and reactive chemical transport in river/stream networks of watershed systems; (2) sediment and reactive chemical transport in overland shallow water of watershed systems; and (3) reactive chemical transport in three-dimensional subsurface systems. Through the decomposition …
Assessment Framework For The Evaluation And Prioritization Of University Technologies For Licensing And Commercialization, Ahmad D. Rahal
Assessment Framework For The Evaluation And Prioritization Of University Technologies For Licensing And Commercialization, Ahmad D. Rahal
Electronic Theses and Dissertations
US corporations have long recognized university related scientific research as an important source of long term economic growth and technological innovation. This dynamic involvement with industry has drastically increased the university technology transfer and licensing activities, and has stretched the human and financial resources of Technology Management and Licensing Offices of many US universities. This research provides a mechanism that can aid in the complex process of properly assessing university-owned technologies and intellectual properties, to identify those with licensing and commercialization potential for the pursuit of truly important breakthrough discoveries. This research focuses on the university technology licensing and commercialization …
Designing A Document Delivery System For Ucf S Interlibrary Loan Department, Abha Y. Trivedi
Designing A Document Delivery System For Ucf S Interlibrary Loan Department, Abha Y. Trivedi
Electronic Theses and Dissertations
Interlibrary Loan entails obtaining copies of library materials not found in the library's collection on behalf of the library's patrons (borrowing), as well as providing copies of library materials requested by other libraries (lending). The dynamic nature of today's library environment is well illustrated by the rapid changes occurring in the role of interlibrary loan. The vision statement of the University of Central Florida Library is: The library performs a central role of adding value to information for the academic community by creatively improving and providing information resources and services. The library strives to create an environment that encourages the …
Frequency Domain Independent Component Analysis Applied To Wireless Communications Over Frequency-Selective Channels, Yuan Liu
Electronic Theses and Dissertations
In wireless communications, frequency-selective fading is a major source of impairment for wireless communications. In this research, a novel Frequency-Domain Independent Component Analysis (ICA-F) approach is proposed to blindly separate and deconvolve signals traveling through frequency-selective, slow fading channels. Compared with existing time-domain approaches, the ICA-F is computationally efficient and possesses fast convergence properties. Simulation results confirm the effectiveness of the proposed ICA-F. Orthogonal Frequency Division Multiplexing (OFDM) systems are widely used in wireless communications nowadays. However, OFDM systems are very sensitive to Carrier Frequency Offset (CFO). Thus, an accurate CFO compensation technique is required in order to achieve acceptable …
Qos In Cognitive Packet Networks: Adaptive Routing, Flow And Congestion Control, Pu Su
Qos In Cognitive Packet Networks: Adaptive Routing, Flow And Congestion Control, Pu Su
Electronic Theses and Dissertations
With the emergence of various applications that have different Quality of Service (QoS) requirements, the capability of a network to support QoS becomes more and more important and necessary. This dissertation explores QoS in Cognitive Packet Networks (CPN) by using adaptive routing, flow and congestion control. We present a detailed description and analysis of our proposed routing algorithms based on single and multiple QoS constraints. An online estimation of packet loss rate over a path is introduced. We implement and evaluate the adaptive routing scheme in an experimental CPN test-bed. Our experiments support our claims that the users can achieve …
Access Games: A Game Theoretic Framework For Fair Bandwidth Sharing In Distributed Systems, Sudipta Rakshit
Access Games: A Game Theoretic Framework For Fair Bandwidth Sharing In Distributed Systems, Sudipta Rakshit
Electronic Theses and Dissertations
In this dissertation, the central objective is to achieve fairness in bandwidth sharing amongst selfish users in a distributed system. Because of the inherent contention-based nature of the distributed medium access and the selfishness of the users, the distributed medium access is modeled as a non-cooperative game; designated as the Access Game. A p-CSMA type medium access scenario is proposed for all the users. Therefore, in the Access Game, each user has two actions to choose from: "transmit" and "wait". The outcome of the Access Game and payoffs to each user depends on the actions taken by all the users. …
Debris Tracking In A Semistable Background, Karthikkalathi Vanumamalai
Debris Tracking In A Semistable Background, Karthikkalathi Vanumamalai
Electronic Theses and Dissertations
Object Tracking plays a very pivotal role in many computer vision applications such as video surveillance, human gesture recognition and object based video compressions such as MPEG-4. Automatic detection of any moving object and tracking its motion is always an important topic of computer vision and robotic fields. This thesis deals with the problem of detecting the presence of debris or any other unexpected objects in footage obtained during spacecraft launches, and this poses a challenge because of the non-stationary background. When the background is stationary, moving objects can be detected by frame differencing. Therefore there is a need for …
Resource Allocation Schemes And Performance Evaluation Models For Wavelength Division Multiplexed Optical Networks, Mounire El Houmaidi
Resource Allocation Schemes And Performance Evaluation Models For Wavelength Division Multiplexed Optical Networks, Mounire El Houmaidi
Electronic Theses and Dissertations
Wavelength division multiplexed (WDM) optical networks are rapidly becoming the technology of choice in network infrastructure and next-generation Internet architectures. WDM networks have the potential to provide unprecedented bandwidth, reduce processing cost, achieve protocol transparency, and enable efficient failure handling. This dissertation addresses the important issues of improving the performance and enhancing the reliability of WDM networks as well as modeling and evaluating the performance of these networks. Optical wavelength conversion is one of the emerging WDM enabling technologies that can significantly improve bandwidth utilization in optical networks. A new approach for the sparse placement of full wavelength converters based …
Morphophonological And Semantic Adaptation Of Arabisms In Galician, Lotfi Sayahi, Juan Antonio Thomas
Morphophonological And Semantic Adaptation Of Arabisms In Galician, Lotfi Sayahi, Juan Antonio Thomas
Languages, Literatures and Cultures Faculty Scholarship
This papers analyzes the processes of morphophonological adaptation of words from Arabic origin that are present in Galician, a Romance language spoken in Northwestern Spain. It presents a list of all the Arabisms present in this language, some four hundred fifty entries, and assesses the conditions for its contact with Arabic. Detailed analysis of twelve words unique to Galician, i.e. not present in Castilian Spanish, highlights their importance as a distinguishing feature within this particular linguistic system and investigates the great variability in their adaptation. A final argument will be made that lexical borrowing in this case was partially a …
Let It Flow: Exploring Water Movement [Grades Prek-3], Regents’ Center For Early Developmental Education
Let It Flow: Exploring Water Movement [Grades Prek-3], Regents’ Center For Early Developmental Education
STEM Experiences for Classrooms
No abstract provided.
Luncheon, William Luers, Sir David Hannay
Luncheon, William Luers, Sir David Hannay
Northwestern Journal of Human Rights
No abstract provided.
Sol–Gel Derived Organic And Inorganic Hybrid Materials For Photonic Applications: Contribution To The Correlation Between The Material Structure And The Transmission In The Near Infrared Region, Mohamed Oubaha, P. Etienne And S. Calas, P. Coudray, J.M. Nedelec, Y. Moreau
Sol–Gel Derived Organic And Inorganic Hybrid Materials For Photonic Applications: Contribution To The Correlation Between The Material Structure And The Transmission In The Near Infrared Region, Mohamed Oubaha, P. Etienne And S. Calas, P. Coudray, J.M. Nedelec, Y. Moreau
Articles
A promising way of fabricating integrated optics components is based on the sol–gel synthesis and photocuring of organic-inorganic hybrid materials. However, the main factor limiting the development of passive devices is the propagation losses. Moreover, the possibility to compensate these attenuations by optical amplification is competed with the multiphonon relaxation associated to the presence of OH groups. To our knowledge, OH groups were always shown as the main responsible for attenuation at the telecommunication wavelengths, namely at 1310 and 1550 nm, although the matrix is composed of organic species which can contribute to absorptions in this spectral range. This paper …
Development Of A Novel Magnetostrictive Force Sensor, Thomas Allen Baudendistel
Development Of A Novel Magnetostrictive Force Sensor, Thomas Allen Baudendistel
Graduate Theses and Dissertations
No abstract provided.
Growth Mechanism And Properties Of Novel Carbon Nanocomposite Foams, Thomas Edwin Beechem
Growth Mechanism And Properties Of Novel Carbon Nanocomposite Foams, Thomas Edwin Beechem
Graduate Theses and Dissertations
No abstract provided.
Morphology Development Of Layered Silicate Epoxy Based Nanocomposites, Tia Benson Tolle
Morphology Development Of Layered Silicate Epoxy Based Nanocomposites, Tia Benson Tolle
Graduate Theses and Dissertations
No abstract provided.
An Exploration Of Preservice Teachers And The Functions Of Star Teachers, Robert Eugene Best
An Exploration Of Preservice Teachers And The Functions Of Star Teachers, Robert Eugene Best
Graduate Theses and Dissertations
No abstract provided.
Parallel Evolutionary Feature Mining For Pattern Classification, Karthik Ganesan Pillai
Parallel Evolutionary Feature Mining For Pattern Classification, Karthik Ganesan Pillai
Graduate Theses and Dissertations
No abstract provided.
Experimental Validation Of The Angle-Of-Arrival Estimation Capabilities Of A Four-Arm Spiral Antenna, Joshua Stephen Radcliffe
Experimental Validation Of The Angle-Of-Arrival Estimation Capabilities Of A Four-Arm Spiral Antenna, Joshua Stephen Radcliffe
Graduate Theses and Dissertations
No abstract provided.
Partition-Based Filters For Image Restoration, Yong Lin
Partition-Based Filters For Image Restoration, Yong Lin
Graduate Theses and Dissertations
No abstract provided.
Tunable Frequency Selective Surface And High-Impedance Ground Plane Using Ferroelectric Thin-Films, Umair Khan
Tunable Frequency Selective Surface And High-Impedance Ground Plane Using Ferroelectric Thin-Films, Umair Khan
Graduate Theses and Dissertations
No abstract provided.
The Relationship Between Self-Concept And Psychological Adjustment In Preschool Children, Lara Stone
The Relationship Between Self-Concept And Psychological Adjustment In Preschool Children, Lara Stone
Graduate Theses and Dissertations
No abstract provided.