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The GPS-a space-based satellite system that provides positioning, navigation, and timing data to users worldwide-has become an essential U.S. national security asset and component in daily life. The GPS program is being modernized to enhance its performance, accuracy and integrity. This book assesses the extent to which the Air Force GPS report met Committee requirements; and identifies additional information that is important in guiding future GPS investments.

Global Positioning System.

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Introduzione ai Sistemi di Localizzazione Indoor ("Indoor Positioning Systems") is the second issue of the series "Quaderni del Dottorato di Ricerca in Ingegneria dell'Informazione" ("Issues of the PhD course in Information Engineering") of the University of Florence, as a didactic support to the PhD course bearing the same name. This issue is designed as an introductory text for those who want to test themselves in the emerging field of locating mobile vehicles in indoor environments, where satellite positioning services are absent or unreliable. Through its four chapters, the text reviews the main localisation methods, the corresponding algorithms, and the error propagation associated with the latter.

Indoor positioning systems (Wireless localization)

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Die gesellschaftliche Bedeutung populärkultureller Formate wie der TV-Serie hängt nicht nur von den ästhetischen Medienprodukten selbst ab, sondern auch von ihrer kommunikativen Verarbeitung in der Interaktion. Dabei bieten Serien in hohem Maße ein identitäts- und gemeinschaftsstiftendes Potential, dem sich die vorliegende Studie aus gesprächsanalytischer Perspektive widmet. Anhand von videographierten Gesprächen über Serien und Serienrezeption zwischen Schüler/-innen wird erörtert, wie sich die Teilnehmenden miteinander vergemeinschaften und voneinander abgrenzen, in welchem Zusammenhang dabei interaktive Bewertungskonstruktionen und der relative Wissensstatus stehen und welchen Einfluss die medialen und ästhetischen Ressourcen der Serien für interaktionale Positionierungspraktiken haben. Umfangreiche Detailanalysen werden in einem Analysemodell zusammengeführt, das dabei helfen kann, sowohl die Komplexität von Serienkommunikation als auch die sozialisatorische Relevanz von Serienrezeption in jugendlichen Peer-Groups besser zu verstehen. Die Arbeit schließt an zentrale Forschungslinien der Konversations- und Diskursanalyse an und bietet Anknüpfungspunkte für künftige Untersuchungen zu medienbezogenen Interaktionen. One of the reasons for the social significance of pop-cultural formats like TV series is how they are communicatively processed in interactions. This book uses video recordings of conversations between students about series to develop an analytical model that allows researchers to investigate community-forming activities and knowledge construction, and to relate them to the media and aesthetic resources of series for practices of positioning.

Conversation analysis. --- positioning. --- tv series, knowledge communication.

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Earth sciences --- Global Positioning System --- Remote sensing.

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Global Positioning System. --- Artificial satellites in navigation.