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Dissertations / Theses on the topic 'Air traffic data'

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1

Condé, Rocha Murça Mayara. "Data-driven modeling of air traffic flows for advanced Air Traffic Management." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/120378.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 209-219).<br>The Air Traffic Management (ATM) system enables air transportation by ensuring a safe and orderly air traffic flow. As the air transport demand has grown, ATM has become increasingly challenging, resulting in high levels of con
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Rehm, Frank. "Visual data analysis in air traffic management /." Köln : DLR, 2007. http://diglib.uni-magdeburg.de/Dissertationen/2007/frarehm.htm.

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Lin, Joyce C. (Joyce Chaisin) 1979. "VisualFlight : the air traffic control data analysis system." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/87266.

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4

Popescu, Vlad M. "Airspace analysis and design by data aggregation and lean model synthesis." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/49126.

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Air traffic demand is growing. New methods of airspace design are required that can enable new designs, do not depend on current operations, and can also support quantifiable performance goals. The main goal of this thesis is to develop methods to model inherent safety and control cost so that these can be included as principal objectives of airspace design, in support of prior work which examines capacity. The first contribution of the thesis is to demonstrate two applications of airspace analysis and design: assessing the inherent safety and control cost of the airspace. Two results are show
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Marzuoli, Aude Claire. "En-route air traffic optimization under nominal and perturbed conditions, on a 3D data-based network flow model." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43639.

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Air Traffic Management (ATM) aims at ensuring safe and efficient movement of aircraft in the airspace. The National Airspace System is currently undergoing a comprehensive overhaul known as NextGen. With the predicted growth of air transportation, providing traffic flow managers with the tools to support decision making is essential. These tools should aid in accommodating the air traffic throughput increase, while limiting controller workload and ensuring high safety levels. In the National Airspace System (NAS), the goal of en-route Traffic Flow Management (TFM) is to balance air traffic dem
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Enea, Gabriele. "Simulation-Based Study to Quantify Data-Communication Benefits in Congested Airport Terminal Area." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/31206.

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The scope of this study was to evaluate the impact of the air traffic controller-to-pilot communication standard known as CPDLC or Data-Communication on the future air traffic operations. The impact was evaluated from the double viewpoint of airport delays and air traffic controllersâ workload. RAMS simulation software is used to perform all the runs and from its output data the values of terminal area delays and controllers workload are obtained. The New York Metroplex terminal area was used as a case study. Because of its complexity, where three major airports (i.e. JFK, Newark, and La Gua
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White, Kyle John Sinclair. "Increasing service visibility for future, softwarised air traffic management data networks." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/8536/.

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Air Traffic Management (ATM) is at an exciting frontier. The volume of air traffic is reaching the safe limits of current infrastructure. Yet, demand for more air traffic continues. To meet capacity demands, ATM data networks are increasing in complexity with: greater infrastructure integration, higher availability and precision of services; and the introduction of unmanned systems. Official recommendations into previous disruptive outages have high-lighted the need for operators to have richer monitoring capabilities and operational systems visibility, on-demand, in response to challenges. Th
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8

Schiper, Nicole. "Traffic data sampling for air pollution estimation at different urban scales." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSET008/document.

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La circulation routière est une source majeure de pollution atmosphérique dans les zones urbaines. Les décideurs insistent pour qu’on leur propose de nouvelles solutions, y compris de nouvelles stratégies de management qui pourraient directement faire baisser les émissions de polluants. Pour évaluer les performances de ces stratégies, le calcul des émissions de pollution devrait tenir compte de la dynamique spatiale et temporelle du trafic. L’utilisation de capteurs traditionnels sur route (par exemple, capteurs inductifs ou boucles de comptage) pour collecter des données en temps réel est néc
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Sangpetchsong, K. "The application of relative navigation to civil air traffic management." Thesis, Cranfield University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341128.

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10

Kendrick, Christine M. "Improving the Roadside Environment through Integrating Air Quality and Traffic-Related Data." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3086.

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Urban arterial corridors are landscapes that give rise to short and long-term exposures to transportation-related pollution. With high traffic volumes, congestion, and a wide mix of road users and land uses at the road edge, urban arterial environments are important targets for improved exposure assessment to traffic-related pollution. Applying transportation management strategies to reduce emissions along arterial corridors could be enhanced if the ability to quantify and evaluate such actions was improved. However, arterial roadsides are under-sampled in terms of air pollution measurements i
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11

Elliott, Matthew Price. "A methodology for determining aircraft fuel burn using air traffic control radar data." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39614.

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The air traffic system in the United States is currently undergoing a complete overhaul known as "NextGen". NextGen is the FAA's initiative to update the antiquated National Airspace System (NAS) both procedurally and technologically to reduce costs to the users and negative impacts on the general public. There are currently numerous studies being conducted that are focused on finding optimal solutions to the problems of congestion, delay, and the high fuel and noise footprints associated aircraft operations. These studies require accurate simulation techniques to assess the potential benefits
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12

Buchholz, Alexander Karl. "DPP: Dual Path PKI for Secure Aircraft Data Communication." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/20373.

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Through application of modern technology, aviation systems are becoming more automated and are relying less on antiquated air traffic control (ATC) voice systems. Aircraft are now able to wirelessly broadcast and receive identity and location information using transponder technology. This helps reduce controller workload and allows the aircraft to take more responsibility for maintaining safe separation. However, these systems lack source authentication methods or the ability to check the integrity of message content. This opens the door for hackers to potentially create fraudulent messages or
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13

Fan, Terence P. "Performance study of flight deck interface systems for air traffic control-pilot data link communications (CPDLC)." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/50075.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1999.<br>Includes bibliographical references (p. 125-130).<br>In an effort to reduce saturation in voice radio channels and to take advantage of space-based communication technologies in a cost-effective basis, data link communication between the flight deck and air traffic control (CPDLC) is gradually coming to the fore. Currently, there are three main flight deck interface designs for CPDLC, and a comparative human factors study of these designs is documented in this thesis. However, in spite of the
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14

Kiefer, John. "Climate Change and Winter Tourism Dependent Economies: Hedonic Estimates for Air Travel and Weather for Ski Resorts." Scholarship @ Claremont, 2018. http://scholarship.claremont.edu/cmc_theses/1839.

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This paper formally analyzes the role of yearly snowfall in explaining the changes in home valuations near ski resorts in the western United States. Using data on housing values for selected U.S. Census tracts, combined with detailed weather data, passenger arrival data from 10% of all commercial air traffic, and characteristics of nearby ski resorts, I find precise and consistent estimates of days of snowfall and number of available destinations by airport on housing values.
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15

Lind-Hård, Viktor. "What meets the eye : Naturalistic observations of air traffic controllers eye-movements during arrivals using eye-tracking." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-159934.

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How do air traffic controllers, or ATCos, distribute visual attention and can it vary between controllers? In this study, using primarily eye-tracking data and a couple of on-site interviews, these questions are explored. Two ATCos, with the most similar landings, had their eye-movements recorded with Tobii pro glasses 2 and further analysed by categorizing every fixation into different areas of interest during four landings. Two more ATCos were interviewed briefly during an observational visit to the control tower. The results showed that the ATCos distributed their attention fairly equally b
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Tomic, David. "Service Aware Traffic Distribution in Heterogeneous A2G Networks." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248995.

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Airplanes have different ways to connect to the ground, including satellite air-to-ground communication (SA2GC) and direct air-to-ground communication (DA2GC). Each connection/link offers a different varying amount of transmission capacity over flight time. The traffic generated in the airplane must be forwarded/sent to ground over the available links. It is however not clear how the traffic should be forwarded so that traffic quality of service (QoS) requirements are met. The thesis at hand considers this question, and implements an algorithm handling the forwarding decision with three differ
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Bell, Katherine Eleanor. "Identification and Characterization of Fine Particulate Matter Hot Spots on an Urban Arterial Corridor Integrating Probe Vehicle, Traffic and Land Use Data." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1535.

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The purpose of this study is to explore the use of integrated probe vehicle, traffic and land use data to identify and characterize fine particulate matter (PM[subscript 2.5]) hot spot locations on urban arterial corridors. In addition, a preliminary analysis is conducted to consider volatile organic compound (VOC) hot spot locations. A pollutant hot spot is defined as a location on a corridor in which the mean pollutant concentrations are consistently above the 85th percentile of pollutant concentrations when compared to all locations along the corridor. In order to collect data for this stud
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18

Sen, Debayan. "A bi-level system dynamics modeling framework to evaluate costs and benefits of implementing Controller Pilot Data Link Communications and Decision Support Tools in a non-integrated and integrated scenario." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/41886.

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A modeling framework to evaluate the costs and benefits of implementation of Con-troller Pilot Data Link Communication (CPDLC), and Air Traffic Management (ATM) decision support tools is proposed in this paper. The benefit/cost evaluation is carried out for four key alternatives namely alternative A: Do nothing scenario (only voice channel), alternative B: Voice channel supplemented with CPDLC, alternative C: Alternative B with ATM tools in a non-integrated scenario and finally alternative D: Alternative B with ATM tools in an integrated scenario. It is a bi-level model that cap-tures the link
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19

Norén, Bång Ola. "STCA : an aircraft conflict alert system." Thesis, Linköping University, Department of Computer and Information Science, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2297.

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<p>The purpose of this Master’s Thesis is to produce a specification for the aircraft conflict alert system STCA, and implement a prototype as a module in the air traffic surveillance system NOVA9000. </p><p>The specification is constructed based on functional requirements from EUROCONTROL and describes a system using a nominal trajectory method, where the future paths of aircraft are estimated. The trajectory is created using a probabilistic approach, where future positions are described with probability fields. </p><p>The prototype is implemented using the specification with some simplificat
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ROLLO, FEDERICA. "Verso soluzioni di sostenibilità e sicurezza per una città intelligente." Doctoral thesis, Università degli studi di Modena e Reggio Emilia, 2022. http://hdl.handle.net/11380/1271183.

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Una città intelligente è un luogo in cui la tecnologia viene sfruttata per aiutare le amministrazioni pubbliche a prendere decisioni. La tecnologia può contribuire alla gestione di numerosi aspetti della vita quotidiana, offrendo ai cittadini servizi più affidabili e migliorando la qualità della vita. Tuttavia, la tecnologia da sola non è sufficiente per rendere una città intelligente; sono necessari metodi adeguati per analizzare i dati raccolti e gestirli in modo da generare informazioni utili. Alcuni esempi di servizi intelligenti sono le app che permettono di raggiungere una destinazione a
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21

Seppecher, Manon. "Mining call detail records to reconstruct global urban mobility patterns for large scale emissions calculation." Electronic Thesis or Diss., Lyon, 2022. http://www.theses.fr/2022LYSET002.

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En milieu urbain, le trafic routier contribue de manière significative aux émissions atmosphériques, enjeu majeur de la lutte contre le changement climatique. Par conséquent, la surveillance conjointe du trafic routier et des émissions qu’il génère constitue un support essentiel de la décision publique. Au-delà de simples procédures de suivi, les pouvoirs publics ont besoin de méthodes d’évaluation des politiques de transport selon des critères environnementaux.Le couplage de modèles de trafic avec des modèles d’émissions constitue une réponse adaptée à ce besoin. Cependant, l’intégration de t
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22

Salgas, Antoine. "Modélisation de scénarios prospectifs pour l’aviation : régionalisation, étude des coûts d’abattement et optimisation technico-économique sous contraintes environnementales." Electronic Thesis or Diss., Toulouse, ISAE, 2025. http://www.theses.fr/2025ESAE0001.

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L’origine anthropique du changement climatique est désormais sans équivoque, et son atténuation nécessite une réduction drastique des émissions de gaz à effet de serre. Bien que le secteur aérien soit un émetteur relativement modeste, il représente environ 2,6% des émissions de CO2 et est responsable d’autres effets, dits non-CO2, significatifs et globalement réchauffants. Plusieurs leviers de décarbonation sont disponibles pour inverser l’augmentation des émissions, notamment l’amélioration de l’efficacité des avions et des opérations, ainsi que le remplacement du kérosène fossile par des alt
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23

Gil, Fernando de Oliveira. "Metodologia de avaliação de segurança das comunicações entre controlador e piloto via enlace de dados (CPDLC) aplicada em áreas terminais." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-11082011-130403/.

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Com o crescimento do setor aeronáutico faz-se necessário a criação de novas tecnologias para que a capacidade do sistema possa aumentar sem provocar perdas nos níveis de segurança. Para isso foi criado o CNS/ATM, um paradigma que integra tecnologias de comunicação, navegação e vigilância em um sistema de gerenciamento de tráfego aéreo global. No âmbito das comunicações entre controlador e piloto, o atual sistema de fonia via rádio analógico é substituído por um enlace de dados, chamado de Controller-Pilot Data Link Communication (CPDLC). Esta alteração promove polêmica entre aeronautas e autor
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Adolfsson, Sofie. "’The Big Five of Teamwork’ i en flygtrafikledningsdomän : En observationsstudie på Arlanda ATCC." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-149824.

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Idag är många branscher beroende av ett gediget teamwork. Det finns dock ett behov av objektiva mätsystem för teamwork och därför har detta projekt som syfte att skapa och testa ett observationsprotokoll utifrån den teoretiska modellen ’The Big Five of Teamwork’ framtagen av Salas, Sims &amp; Burke (2005). Observationsprotokollet användes för att observera teamwork mellan två flygledare på Arlanda ATCC. Därefter fick flygledarna svara på en enkät för att bidra med subjektiva aspekter från modellen. Totalt genomfördes 15 stycken strukturerade observationer. Resultatet visade at
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Cordeil, Maxime. "Exploration et exploitation de l’espace de conception des transitions animées en visualisation d’information." Thesis, Toulouse, ISAE, 2013. http://www.theses.fr/2013ESAE0044/document.

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Les visualisations de données permettent de transmettre de l’information aux utilisateurs. Pour explorer et comprendre les données, les utilisateurs sont amenés à interagir avec ces visualisations.Toutefois, l’interaction avec les visualisations modifie le visuel. Pour éviter des changements brusques et garder l’utilisateur focalisé sur les objets graphiques d’intérêt, des transitions visuelles sont nécessaires pour accompagner les modifications de la visualisation. Ces transitions visuelles peuvent être codées sous la forme d’animations, ou de techniques qui permettent de faire des correspond
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Monmousseau, Philippe. "Passengers : customers, actors and sensors of the air transportation system." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30244.

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Le transport aérien est fondé sur l'utilisation de l'avion pour transporter des passagers entre deux aéroports, et son développement est allé de pair avec l'amélioration continue de l'efficacité et de la sécurité des avions comme moyens de transport. Cependant, si la pandémie liée au COVID-19 nous a appris une leçon, c'est qu'un problème qui touche les passagers du transport aérien peut avoir bien plus de conséquences sur le système dans son ensemble qu'un problème qui concerne les avions. Partant du principe que les passagers sont omniprésents et nécessaires au transport aérien, cette thèse p
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Duo-YiChang and 張朵頤. "Data Correlation Analysis and Prediction for Air Traffic Business." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/06160085818286236971.

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Rehm, Frank [Verfasser]. "Visual data analysis in air traffic management / von Frank Rehm." 2007. http://d-nb.info/98363470X/34.

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Ferreira, Rui Pedro Bento. "CPDLC-Controller pilot data link communication." Master's thesis, 2011. http://hdl.handle.net/10451/13882.

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Due to the increase of air traffic that has occurred in recent years and that is expected to continue in the near future, it is necessary to take measures to ensure air traffic control systems can keep up with this tendency. These measures also aim to prevent cost escalation as well as deal with the increasing scarcity of radio frequencies. It is in this context that a new technology called Controller Pilot Data Link Communication(CPDLC) emerges, which aims to replace voice communications between pilots and air traffic controllers with a text messaging service for non-critical situations, appl
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(9106310), Jeongjoon Boo. "Utilizing Data-Driven Approaches to Evaluate and Develop Air Traffic Controller Action Prediction Models." Thesis, 2020.

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Air traffic controllers (ATCos) monitor flight operations and resolve predicted aircraft conflicts to ensure safe flights, making them one of the essential human operators in air traffic control systems. Researchers have been studying ATCos with human subjective approaches to understand their tasks and air traffic managing processes. As a result, models were developed to predict ATCo actions. However, there is a gap between our knowledge and the real-world. The developed models have never been validated against the real-world, which creates uncertainties in our understanding of how ATCos detec
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Chen, Yin-Ho, and 陳營和. "Design Dynamic Data Access Control Schemes for Air Force Cloud Services-A Case on Air Traffic Control Training System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/35057022104126531316.

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碩士<br>國防大學<br>資訊管理學系<br>102<br>The Ministry of National Defense of the Republic of China promulgated “development plan of military cloud service” on March 31, 2011. It indicated the short, medium, and long term development goals of the military cloud service in 2011, and hoped that improving the deployment of resources and information security by establishing the environment of cloud computing under the downsizing situation. Therefore, the information security can be monitored easily to perform missions effectively. However, there are still some security issues for cloud computing. From the po
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Yi, Ti Wang, and 王奕迪. "The exposure assessment of traffic policemen on duty and the association between personal exposure levels and data from Sanchong traffic air monitoring station." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/2n828e.

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碩士<br>輔仁大學<br>公共衛生學系碩士班<br>99<br>Traffic policemen often experience relatively high levels of traffic related air pollutants in busy urban streets. Although some studies had been performed on exposure assessment of traffic policemen in Taiwan, few studies was evaluated the feasibility using fixed air monitoring station (AMS) data to assess personal exposure levels. The objective of this study was to investigate exposure of air pollutants in traffic policemen who worked nearby Sanchong traffic AMS, and to evaluate the association between personal exposure levels and data from the traffic AMS.
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Wood, Robert G. "A security risk analysis of the data communications network proposed in the NextGen air traffic control system." 2009. http://digital.library.okstate.edu/etd/Wood_okstate_0664D_10245.pdf.

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(8704416), Raj Deshmukh. "Data-Driven Anomaly and Precursor Detection in Metroplex Airspace Operations." Thesis, 2020.

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<div>The air traffic system is one of the most complex and safety-critical systems, which is expected to grow at an average rate of 0.9% a year -- from 51.8 million operational activities in 2018 to 62 million in 2039 -- within the National Airspace System. In such systems, it is important to identify degradations in system performance, especially in terms of safety and efficiency. Among the operations of various subsystems of the air traffic system, the arrival and departure operations in the terminal airspace require more attention because of its higher impact (about 75% incidents) on the en
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(10727661), Hansoo Kim. "HYBRID DATA-DRIVEN AND PHYSICS-BASED FLIGHT TRAJECTORY PREDICTION IN TERMINAL AIRSPACE." Thesis, 2021.

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<div>With the growing demand of air traffic, it becomes more important and critical than ever to develop advanced techniques to control and monitor air traffic in terms of safety and efficiency. Especially, trajectory prediction can play a significant role on the improvement of the safety and efficiency because predicted trajectory information is used for air traffic management such as conflict detection and resolution, sequencing and scheduling. </div><div><div>In this work, we propose a new framework by integrating</div><div>the two methods, called hybrid data-driven and physics-based trajec
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Lee, Chung-Hsien, and 李忠憲. "Regression Models For The Traffic-RelatedAir Pollutants In Taipei Metropolitan Area Using Land Use Regression And Data From Air Monitoring Stations." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/63825162883511519318.

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碩士<br>國防醫學院<br>公共衛生學研究所<br>100<br>There are more and more research demonstration that air pollutant has bad effects on the human body and health. The result from monitoring stations is unable to represent the pollutant condition in all places, therefore, establishment of pollutant models to predict the pollutant concentration of unknown area is the tendency also necessary. Land Use Regression (LUR) contained the data from geography infor-mation system (GIS) had already succeed to predict the spatial variation of the air pollutant concentration in the past research, and demonstrated that its r
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Ferreira, Rui Pedro Bento. "CPDLC - controller pilot data link communication." Master's thesis, 2011. http://hdl.handle.net/10451/9085.

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Tese de mestrado em Engenharia Informática, apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2011<br>Com o aumento de tráfego aéreo que tem ocorrido nos últimos anos e com o que se prevê que venha a acontecer num futuro próximo é necessário começar a tomar medidas para que os sistemas de controlo de tráfego aéreo suportem este aumento. Estas medidas também têm como objectivo evitar que os custos aumentem com o aumento de tráfego aéreo bem como ultrapassar a escassez cada vez maior de frequências rádio. É neste âmbito que surge uma nova tecnologia denominada de Controll
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(9873020), Aleksandra Dervisevic. "Application of Machine Learning Strategies to Improve the Prediction of Changes in the Airline Network Topology." Thesis, 2020.

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<div><p>Predictive modeling allows us to analyze historical patterns to forecast future events. When the data available for this analysis is imbalanced or skewed, many challenges arise. The lack of sensitivity towards the class with less data available hinders the sought-after predictive capabilities of the model. These imbalanced datasets are found across many different fields, including medical imaging, insurance claims and financial frauds. The objective of this thesis is to identify the challenges, and means to assess, the application of machine learning to transportation data that is imba
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Sousa, Maria Inês Neves de. "Data mining for anomaly detection in maritime traffic data." Master's thesis, 2018. http://hdl.handle.net/10400.26/25059.

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For the past few years, oceans have become once again, an important means of communication and transport. In fact, traffic density throughout the globe has suffered a substantial growth, which has risen some concerns. With this expansion, the need to achieve a high Maritime Situational Awareness (MSA) is imperative. At the present time, this need may be more easily fulfilled thanks to the vast amount of data available regarding maritime traffic. However, this brings in another issue: data overload. Currently, there are so many data sources, so many data to obtain information from, that the ope
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Riba, Evans Mogolo. "Exploring advanced forecasting methods with applications in aviation." Diss., 2021. http://hdl.handle.net/10500/27410.

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Abstracts in English, Afrikaans and Northern Sotho<br>More time series forecasting methods were researched and made available in recent years. This is mainly due to the emergence of machine learning methods which also found applicability in time series forecasting. The emergence of a variety of methods and their variants presents a challenge when choosing appropriate forecasting methods. This study explored the performance of four advanced forecasting methods: autoregressive integrated moving averages (ARIMA); artificial neural networks (ANN); support vector machines (SVM) and regression
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Pelizzari, Andrea. "Genetic algorithm for shipping route estimation with long-range tracking data : automatic reconstruction of shipping routes based on the historical ship positions for maritime safety applications." Master's thesis, 2016. http://hdl.handle.net/10362/17346.

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Project Work presented as the partial requirement for obtaining a Master's degree in Information Management, specialization in Knowledge Management and Business Intelligence<br>Ship tracking systems allow Maritime Organizations that are concerned with the Safety at Sea to obtain information on the current location and route of merchant vessels. Thanks to Space technology in recent years the geographical coverage of the ship tracking platforms has increased significantly, from radar based near-shore traffic monitoring towards a worldwide picture of the maritime traffic situation. The long-range
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