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Tesi sul tema "Global positon system"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 febbraio 2022

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1

Chan, Francis Chun Ngai Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Statistical methods on detecting superpositional signals in a wireless channel." Awarded by:University of New South Wales. School of Electrical Engineering and Telecommunications, 2006. http://handle.unsw.edu.au/1959.4/30596.

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The objective of the thesis is concerned on the problem of detecting superpositional signals in a wireless channel. In many wireless systems, an observed signal is commonly represented as a linear combination of the transmitted signal with the interfering signals dispersed in space and time. These systems are generally known as the interference-limited systems. The mathematical model of these systems is generally referred as a superpositional model. A distinguished characteristic of signal transmission in a time-varying wireless channel is that the channel process is not known a priori. Reliab

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Scott-Young, Stephen. "Integrated position and attitude determination for augmented reality systems /." Connect, 2004. http://eprints.unimelb.edu.au/archive/00000827.

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3

Deckert, Christopher J. "Canopy, terrain, and distance effects on Global Positioning System position accuracy." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-09052009-040816/.

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4

Langdorf, Kim Alldredge. "A position-location system utilizing geosynchronous communication satellites." Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/40226.

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This dissertation describes a novel method of providing position-location from geosynchronous communication satellites. The Global Positioning System (GPS) has become the standard for position-location and navigation in the world. It provides extremely accurate coordinates to military users and slightly less accurate coordinates to "non-authorized" users. Disadvantages of GPS are complexity and high cost. The U.S. Department of Defense (DoD) has spent billions of dollars in developing and fielding the system. Maintenance and GPS satellite replenishment costs will continue to climb. A simpler,

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5

Öhresten, Daniel. "ECO-Tracks: Ökad Information med Globalt Positions System (GPS)." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-185267.

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In this project a prototype that uses GPS for information gathering is created, the prototype gathers positional information and logs this on an SD-card. The gathered information can later be used with the help of “Google maps” and their API to show where the GPS module has been during its usage, the prototype is battery driven and has a battery life that is slightly longer than one month. To use the gathered information a Python script has been created that generates an HTML file to easily show where the prototype has been and gives an approximate value of the traveled distance. Everything th

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Biskaduros, Zachary Jon. "Collaborative Localization Enhancement to the Global Positioning System using Inter-Receiver Range Measurements." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23152.

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The localization of wireless devices, e.g. mobile phones, laptops, and handheld GPS receivers, has gained much interest due to the benefits it provides, including quicker emergency personnel dispatch, location-aided routing, as well as commercial revenue opportunities through location based services. GPS is the dominant position location system in operation, with 31 operational satellites producing eight line of sight satellites available to users at all times making it very favorable for system implementation in all wireless networks. Unfortunately when a GPS receiver is in a challenging en

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7

Aab, Steven D. "Performance Analysis of the Local Area Augmentation System as the Position Sensor for the Runway Incursion Prevention System." Ohio University / OhioLINK, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1121182284.

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8

Meyer, Steven J. "TIME, SPACE, POSITION INFORMATION UNIT MESSAGE STRUCTURE OVERVIEW." International Foundation for Telemetering, 2002. http://hdl.handle.net/10150/607515.

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International Telemetering Conference Proceedings / October 21, 2002 / Town & Country Hotel and Conference Center, San Diego, California<br>The Joint Advanced Missile Instrumentation (JAMI) program is developing a Time, Space, and Position Information (TSPI) unit for high dynamic missile platforms by employing the use of Global Position System (GPS) and inertial sensors. The GPS data is uncoupled from the inertial data. The output of the JAMI TSPI unit follows the packet telemetry protocol and is called the TSPI unit message structure (TUMS). The packet format allows the data stream to stand o

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9

Xingyu, Luo, and Zhang Qishan. "A PARALLEL -SEQUENTIAL SEARCH ALGORITHM IN A HIGH DYNAMIC GPS RECEIVER." International Foundation for Telemetering, 2002. http://hdl.handle.net/10150/607533.

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International Telemetering Conference Proceedings / October 21, 2002 / Town & Country Hotel and Conference Center, San Diego, California<br>It is need to design acquisition and tracking for code loop and carrier loop to detect the high dynamic Global Position System (GPS) signal. Acquiring signal quickly and shortening acquisition time in the cold case are key technology of a high dynamic GPS receiver. Moreover, fast acquisition of C/A code is the base of code tracking and carrier acquisition and tracking. This paper describes elements and implementation of a new parallel-sequential search Alg

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10

Vickery, John Lawrence. "AN INTELLIGENT DIFFERENCING GLOBAL POSITIONING SYSTEM UTILIZING DIFFERENTIAL DOPPLER TO DETERMINE POSITION AND SPEED ACCURATELY." MSSTATE, 2002. http://sun.library.msstate.edu/ETD-db/theses/available/etd-03012002-121541/.

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It is not where in the world you are that matters. It is where you are with respect to a reference point whether on land or at sea. That is the basis behind Differencing GPS. Utilizing the carrier wave and Gold Code (GC) signal transmitted by GPS satellites, this project uses two GPS receivers and a system integration manager utilizing neural networks and expert systems to determine a user position and speed relative to a fixed point on earth. Two methods of determining the user position are employed: classic triangulation and measuring the difference in the Doppler shift of the carrier wave b

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11

Kassan, Mark W. "Distributed Interactive Simulation: The Answer to Interoperable Test and Training Instrumentation." International Foundation for Telemetering, 1996. http://hdl.handle.net/10150/611445.

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International Telemetering Conference Proceedings / October 28-31, 1996 / Town and Country Hotel and Convention Center, San Diego, California<br>This paper discusses Global Positioning System (GPS) Range Applications Joint Program Office (RAJPO) efforts to foster interoperability between airborne instrumentation, virtual simulators, and constructive simulations using Distributed Interactive Simulation (DIS). In the past, the testing and training communities developed separate airborne instrumentation systems primarily because available technology couldn't encompass both communities' requiremen

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12

Abdelmajid, Nabih T. "Innovative Location Based Scheme for Internet Security Protocol. A proposed Location Based Scheme N-Kerberos Security Protocol Using Intelligent Logic of Believes, Particularly by Modified BAN Logic." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5270.

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The importance of the data authentication has resulted in the science of the data protection. Interest in this knowledge has been growing due to the increase in privacy of the user's identity, especially after the widespread use of online transactions. Many security techniques are available to maintain the privacy of the user's identity. These include password, smart card or token and face recognition or finger print. But unfortunately, the possibility to duplicate the identity of a user is still possible. Recently, specialists used the user's physical location as a new factor in order to incr

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13

Bochuan, Zhang, Kou Yanhong, Zhang Qishan, and Chang Qing. "DESIGN OF A HIGH DYNAMIC GPS RECEIVER." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/605033.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>High dynamic and multi-channel digital GPS receiver can handle the signals with high dynamic range, low S/N ratio and refresh data quickly. A hardware design of high dynamic GPS digital receiver is given. Based on analysis of the effect that high dynamic movement makes on the receiving signals, a scheme of fast-acquisition high dynamic GPS receiver is presented. Exact reckoning of the orbit pa

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Kuratomi, Alejandro. "GNSS Position Error Estimated by Machine Learning Techniques with Environmental Information Input." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-262692.

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In Intelligent Transport Systems (ITS), specifically in autonomous driving operations, accurate vehicle localization is essential for safe operations. The localization accuracy depends on both position and positioning error estimates. Technologies aiming to improve positioning error estimation are required and are currently being researched. This project has investigated machine learning algorithms applied to positioning error estimation by assessing relevant information obtained from a GNSS receiver and adding environmental information coming from a camera mounted on a radio controlled vehic

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15

Hoefener, Carl E. "GPS: THE LOGICAL TOOL FOR PRECISION TRACKING IN SPACE." International Foundation for Telemetering, 1991. http://hdl.handle.net/10150/613092.

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International Telemetering Conference Proceedings / November 04-07, 1991 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>As we develop more space vehicles, a pressing requirement emerges to provide precision tracking information. This need for exact time and space-position information (TSPI) persists whether developing and testing space weapons or locating the precise position of intelligence-gathering satellites. Because this is a worldwide tracking requirement, the use of conventional tracking techniques such as radar is precluded. Fortunately the Global Positioning System (GPS)

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16

Oliveira, Marcos Almir de. "Compatibilização de dados, em diferentes referenciais, para atualização cartográfica: estudo de caso na SABESP." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3138/tde-11072007-193350/.

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Um dos propósitos deste trabalho foi apresentar a metodologia envolvida na estimação de parâmetros de transformação entre dois Sistemas Geodésicos, em função da implantação do Sistema de Informações Geográficas no Saneamento (SIGNOS) pela SABESP. Este estudo foi desenvolvido no Município de São Paulo, onde foram calculados parâmetros de transformação entre os Sistemas SAD-69 (South American Datum 1969) e Córrego Alegre. Os parâmetros obtidos neste estudo foram comparados com os parâmetros disponíveis atualmente. Outro estudo, deste trabalho, é a proposta para compatibilização do sistema altimé

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17

Kujiraoka, Scott R., and Russell G. Fielder. "Using GPS for TSPI and Flight Termination Capabilities of a Missile Telemetry Section." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/605058.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>The Joint Advanced Missile Instrumentation (JAMI) Program involves the integration of Global Positioning System (GPS) tracking technology into the Test Ranges. GPS Technology will be used for Time, Space, and Position Information (TSPI) as well as Flight Termination purposes. JAMI is currently developing the JAMI TSPI Unit (JTU) and the Flight Termination Safe & Arm (FTS&A) devices. This paper

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18

Meyer, Steven J. "INTEGRATING THE JOINT ADVANCED MISSILE INSTRUMENTATION (JAMI) TIME SPACE POSITION INFORMATION (TSPI) UNIT (JTU) INTO A TELEMETRY SYSTEM." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/605057.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>The Joint Advance Missile Instrumentation (JAMI) program has developed a Time Space Position Information (TSPI) unit (JTU). The JTU employs a novel use of Global Positioning System (GPS) technology, and inertial measurement units (IMU) to provide a real time trajectory for high dynamic missile systems. The GPS system can function during high g maneuvers that an air-to-air missile might encount

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Meyer, Steven J. "TELEMETRY GROUND STATION CONFIGURATION FOR THE JOINT ADVANCED MISSILE INSTRUMENTATION (JAMI) TIME SPACE POSITION INFORMATION (TSPI) UNIT (JTU)." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/604888.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>The Joint Advance Missile Instrumentation (JAMI) program has developed a Time Space Position Information (TSPI) unit (JTU). The JTU employs a novel use of GPS technology and inertial measurement units (IMU) to provide a real time trajectory for high dynamic missile systems. The GPS system can function during high g maneuvers that an air-to-air missile might encounter. The IMU is decoupled from

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20

Pagan, Jesus Manuel. "Cable-Suspended Robot System with Real Time Kinematics GPS Position Correction for Algae Harvesting." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1539256829665799.

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Kujiraoka, Scott R., and Russell G. Fielder. "Current Status of Integrating GPS and Flight Termination Capabilities into a Missile Telemetry Section." International Foundation for Telemetering, 2006. http://hdl.handle.net/10150/604267.

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ITC/USA 2006 Conference Proceedings / The Forty-Second Annual International Telemetering Conference and Technical Exhibition / October 23-26, 2006 / Town and Country Resort & Convention Center, San Diego, California<br>Last year (2005), a paper discussed the efforts of integrating Joint Advanced Missile Instrumentation (JAMI) Program components (JAMI TSPI Unit - JTU, and the Flight Termination Safe & Arm device - FTS&A), commercial off the shelf parts (Flight Termination Receivers, Telemetry Transmitter, Encryptor and Thermal Batteries) and in-house developed devices (PCM Encoder and Tri-b

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Kujiraoka, Scott R., Russell G. Fielder, and Alvia D. Sandberg. "Adding Flight Termination Capability to a Missile Telemetry Section." International Foundation for Telemetering, 2009. http://hdl.handle.net/10150/606126.

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ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Past presented papers [1,2] have discussed the integration efforts of incorporating Central Test & Evaluation Investment Program (CTEIP) sponsored Joint Advanced Missile Instrumentation (JAMI) components (namely the JAMI TSPI Unit-JTU), Commercial off the Shelf (COTS) parts (e.g. ARTM Tier I SO-QPSK Transmitter, Encryptor and Thermal Battery), and in-house developed devices (such as PCM Encode

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Kujiroaoka, Scott R., Russell G. Fielder, and Alvia D. Sandberg. "Current Status of Adding GPS Tracking Capability to a Missile Telemetry Section." International Foundation for Telemetering, 2008. http://hdl.handle.net/10150/606153.

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ITC/USA 2008 Conference Proceedings / The Forty-Fourth Annual International Telemetering Conference and Technical Exhibition / October 27-30, 2008 / Town and Country Resort & Convention Center, San Diego, California<br>Past presented papers have discussed the integration efforts of incorporating Central Test & Evaluation Investment Program (CTEIP) sponsored Joint Advanced Missile Instrumentation (JAMI) components (namely the JAMI TSPI Unit-JTU), Commercial off the Shelf (COTS) parts (e.g. ARTM Tier I SO-QPSK Transmitter, Encryptor and Thermal Battery), and in-house developed devices (such as P

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24

Meyer, Steven J. "GPS Receiver Testing on the Supersonic Naval Ordnance Research Track (SNORT)." International Foundation for Telemetering, 1997. http://hdl.handle.net/10150/609808.

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International Telemetering Conference Proceedings / October 27-30, 1997 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>There is an interest in using Global Positioning System (GPS) receivers to find: Time Space Position Information (TSPI), miss distances between a missile and target, and using the data real time as an independent tracking aid for range safety. Ashtech, Inc. has several standalone GPS receivers they believe can work at high g levels. This paper investigates how the Ashtech GPS receivers work under high g loading in one axis. The telemetry system used to collect dat

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Sama, Michael P. "PRECISE EVALUATION OF GNSS POSITION AND LATENCY ERRORS IN DYNAMIC AGRICULTURAL APPLICATIONS." UKnowledge, 2013. http://uknowledge.uky.edu/bae_etds/14.

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A method for precisely synchronizing an external serial data stream to the pulse-per-second (PPS) output signal from a global navigation satellite-based system (GNSS) receiver was investigated. A signal timing device was designed that used a digital signal processor (DSP) with serial inputs and input captures to generate time stamps for asynchronous serial data based on an 58593.75 Hz internal timer. All temporal measurements were made directly in hardware to eliminate software latency. The resolution of the system was 17.1 µs, which translated to less than one millimeter of horizontal positio

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Meyer, Steven J. "SIDEWINDER MISSILE GPS RECEIVER TESTS." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/607341.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>The use of Global Positioning System (GPS) receivers as a source to provide Time Space and Position Information (TSPI), and Miss Distance Indication (MDI) data in Test and Evaluation (T&E) applications is being considered. Specifically, GPS receivers are being evaluated to determine their usefulness as a sensor in a Sidewinder missile telemetry system (AN/DKT-80). Initial testing has indicated that position information generated from a GPS receiver can provid

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Shengxi, Ding, Zhang Qishan, and Li Xianliang. "STUDY ON OEM-BASED DIFFERENTIAL GPS." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/608441.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Two kinds of differential GPS (DGPS) technology on position differential GPS and pseudo-range differential GPS are studied and compared in this paper. Positioning tests by single GPS receiver, position DGPS and pseudo-range DGPS systems based on GPSOEM board are done. Experiment result indicates that position error is about 30 - 100 meters on single GPS receiver and position error is reduced to 3 - 10 meters on DGPS. Furthermore, Developed DGPS system which is bas

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Hurd, William J., Joseph I. Statman, and Victor A. Vilnrotter. "GPS HIGH DYNAMIC RECEIVER TRACKING DEMONSTRATION RESULTS." International Foundation for Telemetering, 1985. http://hdl.handle.net/10150/615742.

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International Telemetering Conference Proceedings / October 28-31, 1985 / Riviera Hotel, Las Vegas, Nevada<br>Demonstration results are presented for a high dynamic GPS receiver. The receiver tested is a breadboard unit capable of tracking one simulated satellite signal in pseudorange and range rate. The receiver makes approximate maximum likelihood estimates of pseudorange and range rate each 20 ms, and tracks these observables using a third order filter with a time constant of 0.14 s. Carrier phase is not tracked, which eliminates the typical failure mode of loss of carrier lock associated w

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Wood, Christopher. "What lies above : using poetic methods to interrogate user positions across GNSS infrastructures." Thesis, Queen Mary, University of London, 2018. http://qmro.qmul.ac.uk/xmlui/handle/123456789/53587.

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This thesis argues for the use of what I term `poetic methods' in approaching the study of Global Navigation Satellite Systems (GNSS) infrastructures. Poetic methods frame research experiments with techniques drawn from art practice and build understandings of an infrastructure's actions, or the \texture" [1] of those actions by leveraging symbol and metaphor. This work is situated in an interdisciplinary space across Human Computer Interaction (HCI), art, design and the study of Science, Technology and Society (STS). The theoretical grounding of the work draws on Actor Network Theory (ANT) an

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Young, Nolan B. "Using the Global Positioning System (GPS) to fulfill the position/location requirements of the National Training Center (NTC) and other U.S. Army instrumented testing and training ranges." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28632.

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Kujiraoka, Scott R., and Russell G. Fielder. "USING COOPERATIVE RESEARCH AND DEVELOPMENT AGREEMENTS (CRADA) TO REDUCE THE TRANSITION TO PRODUCTION RISK OF A MISSILE TELEMETRY SECTION." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604581.

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ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>The Joint Advanced Missile Instrumentation (JAMI) Program’s main thrust has been the integration of Global Positioning System (GPS) tracking technology into the Department of Defense (DoD) Missile Test Ranges. This technology could be used for Time, Space, Position, and Information (TSPI), Flight Termination (FTS), or End Game Scoring purposes. However the Program’s main goal is to develop

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Lee, Shane-Woei. "A carrier phase only processing technique for differential satellite-based positioning systems." Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1181175000.

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Oliveira, Tiago Carletti Antunes de. "Estudos sobre desempenho de sistemas de piloto automático em tratores." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-10112009-150847/.

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Para o cenário da sustentabilidade da cana um dos problemas é o tráfego indiscriminado de rodados sobre as soqueiras, especialmente na colheita mecanizada, devido a desalinhamentos das fileiras de cana e dificuldade de manutenção dos veículos e composições devidamente afastados destas. Assim, as tecnologias de direcionamento automático estão ganhando espaço no setor sucroalcooleiro. No cenário da citricultura a implantação de um pomar é uma etapa de extrema importância econômica, uma vez que estão envolvidas diversas operações mecanizadas. O alinhamento das fileiras é feito manualmente, etapa

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Tiesler, Russell Colin, and n/a. "A Decade of GPS geodesy in the Australian region: a review of the GDA94 and its performance within a time series analysis of a 10 year data set in ITRF 2000." University of Canberra. Information Sciences & Engineering, 2005. http://erl.canberra.edu.au./public/adt-AUC20051202.114435.

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The University of Canberra (UC) has been involved in GPS processing since the late 1980s. This processing commenced with the GOTEX 1988 campaign and progressed through a series of project specific regional campaigns to the current daily processing of a distributed set of continuously operating sites for the determination of precise GPS station positions for user applications. Most of these earlier campaigns covered only short periods of time, ranging from a few weeks to multiple occupations of a few days to a time over one to two years. With software developments, these multiple occupations

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Sagner, Johanna. "En komparation mellan Sverige och Finland : En jämförelseanalys mellan grannländernas utbildningssystem, läroplan för gymnasieskolan och lärarens yrkesstatus i skolans verksamhet." Thesis, Södertörns högskola, Lärarutbildningen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-43704.

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The aim of this study is to compare Sweden and Finland with regards to the education systems in each country. The comparison is made based on three factors that can explain the different outcomes in the Swedish and Finnish schools. The three factors are: the education system, the curricula in upper secondary school, and the teacher's professional status. Inherent from these factors, the following three questions will be answered: 1. What are the similarities and differences between the Swedish and Finnish education systems? 2. What are the similarities and differences between the Swedish and F

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Mináč, Ján. "Systém navigace pomocí GPS pro účely cementárenské technologie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217779.

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This diploma work deals with proposal and implementation GPS navigation system. Work includes described basic types of cement quarry and proposal to create mathematical and software model of quarry. Then work is devoted to possibilities of basic described algorithms for searching the shortest way in graph and two algorithms are described. They are Floyd-Warshall and Dikjstra algorithms. The work describe implementation of Dijkstra algorithm to model of quarry and description of the programs Autec RouteEditor and AQL Control Library. MINÁČ, J. GPS navifgation system for cement for cement techno

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Dainty, Benjamin G. "Use of two-way time transfer measurements to improve geostationary satellite navigation :." Ft. Belvoir Defense Technical Information Center, 2007. http://handle.dtic.mil/100.2/ADA472457.

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Lima, Davi Dantas. "Desvendando a matemática do GPS." Mestrado Profissional em Matemática, 2013. https://ri.ufs.br/handle/riufs/6507.

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The purpose of this monograph is to study the mathematical principles behind the Global Positioning System, the so-called GPS. We start with a historical approach of the evolution of this technology. Then we show some theorems in geometry: plane, spatial and analytic, which together with some physical principles (average speed, speed of light, the Doppler effect,...) guided the creators of this powerful tool that determines with remarkable accuracy the position (latitude, longitude and altitude) of a transmitter. Finally, we suggest activities to be performed at the level of basic education,

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Moffo, Dermas. "Positionnement pour les systèmes de MEMS intelligents : positionnement pair-à-pair multi-modal : vers un protocole de positionnement pour les MEMS intelligents distribués." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD061.

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Les avancées réalisées dans le processus de fabrication de micros-éléments et de circuits intégrés ont permis l’émergence de microsystèmes. De nombreux projets sont conduits afin d’une part, de miniaturiser le plus possible des microrobots MEMS individuels capables de remplir un ensemble donné de fonctionnalités, et, d’autre part, d’intégrerde l’intelligence, de la communication et de la coordination aux microsystèmes permettant d’obtenir des systèmes distribués de microrobots, comprenant des centaines voir des milliers de micros-éléments. Ces micros-éléments disposent de ressources individuel

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Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.

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Today, the main research field for the automotive industry is to find solutions for active safety. In order to perceive the surrounding environment, tracking nearby traffic objects plays an important role. Validation of the tracking performance is often done in staged traffic scenarios, where additional sensors, mounted on the vehicles, are used to obtain their true positions and velocities. The difficulty of evaluating the tracking performance complicates its development. An alternative approach studied in this thesis, is to record sequences and use non-causal algorithms, such as smoothing, i

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41

"Position determination of mobile unit based on inertial navigation system." 2008. http://library.cuhk.edu.hk/record=b5893583.

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Yip, Wai Lee.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.<br>Includes bibliographical references (leaves 119-124).<br>Abstracts in English and Chinese.<br>Abstract --- p.i<br>摘要 --- p.ii<br>Acknowledgement --- p.iii<br>Table of Content --- p.iv<br>List of Figure --- p.vi<br>List of table --- p.viii<br>Chapter Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Motivation --- p.1<br>Chapter 1.2 --- Background information --- p.2<br>Chapter 1.2.1 --- Overview of positioning technologies --- p.2<br>Chapter 1.2.2 --- Comparison between different positioning systems ---

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Ming, Chen Chi, and 陳濟民. "The Future Trend of Global Position System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/88731741974479975415.

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碩士<br>輔仁大學<br>科技管理學程碩士在職專班<br>102<br>While the development of Global Position System (GPS) is rising around the world, what’s new and the future in GPS is now an important issue. This study not only conducts literature review but also conducts surveys with senior experts to find out what’s the trend of GPS. This study sums up GPS related literature and senior experts in GPS industry as conclusions. The result shows that the integration of different system must be the trend, the network RTK (Real - time kinematic) and PPP (precise point positioning) technology could greatly improve the position

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Cheng, Ssu-Min, and 鄭斯民. "The Improvement of Coordinate Parameters for Global Position SystemThe Improvement of Coordinate Parameters for Global Position System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86358452394840872553.

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碩士<br>國立高雄應用科技大學<br>電子工程系<br>99<br>GPS positioning in Taiwan is not easy because of the topography and urban density issues. Using GPS positioning and digital maps, it always takes lots of time to locate the position. If the traffic information could be transmitted to other vehicles while driving, the application of GPS could be enlarged. In this thesis, we use add direction and speed parameter of coordinates for AIS concept which is applied to improve the accuracy of the Global Positioning System (GPS). The research send the information to the positioned target by Bluetooth, and keep calculat

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Ma, Chin-Hung, and 馬景宏. "Car-Based Channel Model Research for Global Position System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/63418255913167393435.

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碩士<br>中原大學<br>電機工程研究所<br>95<br>Abstract This thesis investigates the car-based channel model to evaluate the wireless performance for handheld device in the open space by adding a factor from the “Scenario Signal Strength” method. Traditionally using the test equipment with antenna and “DUT(Device Under Test)” to find out the value of the signal strength is the most popular method to find out the DUT performance in the specific test environment. By using this method we can find out the relationship between the channel model and our test environment after analysis the test results. Raylei

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Chang, Geng-Kwei, and 張耕魁. "Integration of Global Position System and Inertial Navigation System Using Kalman Filter." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/6xt8vt.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>96<br>Global Position System (GPS) is broadly used in military or civil navigation devices. GPS can work for a long time and its output can still remain stable. But it is easily interfered by external factors such as weather, building and etc. Inertial Navigation System (INS) doesn’t have the above defects of GPS but its accuracy is reduced by integration errors. Integration errors come from many factors. The errors are mostly caused by output errors and axis misalignment factor. Therefore, calibration and compensation of output errors are required before apply I

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Lin, Chun-Ming, and 林俊明. "The Use of Global Position System Improve the Handoff Blocking Rate." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/55874623486225258433.

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碩士<br>國立高雄第一科技大學<br>電腦與通訊工程系<br>89<br>In this paper, our predictive channel reservation (PCR) scheme work by sending reservation requests to neighboring cells based on extrapolating the motion of mobile station using Global Position System (GPS). The scheme is applicable to both fixed and dynamic channel allocation methods and we can use a number of design enhancements are incorporated to minimize the effect of false reservations and to improve the handoff blocking rate and new call blocking rate of the cellular system. These enhancements include：reservation pooling, queuing of reservation req

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Wang, Yaung, and 汪揚. "A Low Power Integer-N Frequency Synthesizer for Global Position System." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/5g5pbg.

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碩士<br>國立交通大學<br>電信工程系所<br>92<br>In this thesis, we demonstrate a low power synthesizer for global position system (GPS) which operates at 1.57GHz. For low power consumption consideration, we set the supply voltage at 1.5V, and adopt the “Integer-N” type frequency synthesizer to save power. For high integration issue, all circuits are integrated in single chip except the loop filter and the reference oscillator. This chip is fabricated by TSMC 0.25um. The measurement of power consumption is 14.1mW for 1.5V supply voltage. VCO consumes 6.8mW, frequency divider consumes 6.6mW, charge pump cons

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Huang, Dao-Shen, and 黃道伸. "Study on Radio Frequency Low Noise Amplifiers Design for Global Position System." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/74247164700203166565.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>93<br>This study is aimed to discuss the front circuit of Global Position System, especially in the design of Low Noise Amplifier. The research will introduce basic parameter and common RF circuit architecture. Feedback type of low noise amplifier is designed to meet the specification of Global Position System. Feedback type of low noise amplifier could lower the temperature influence as well as improve the linear degree of the front circuit. The front circuit adapts two stages of hetero-junction FET. Its function is to supply low noise figure so as to restrict the

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Lee, Chia-Yang, and 李佳陽. "In Integrating the Radio Frequency Identification and Global Position System Data Processing." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/50735057331788809324.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>96<br>An approach is proposed in this thesis to integrate the GPS and RFID techniques for vehicle position monitoring. In this approach, Vehicle is equipped with the GPS signal sender and RFID tag. When the vehicle enters the tunnel and losing the GPS signal, the RFID readers inside the tunnel can scan the tag and provide the position information of vehicle. The area location sensing method is used in our approach. The tunnel can be divided into many area segments and the center of each segment has a preset GPS coordinate. When the vehicle enters the tunnel and

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Hsu, Che Hsien, and 許哲賢. "A Case Study of Global Position System Industry Analysis and Competitive Strategy." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/13846480365772853387.

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碩士<br>輔仁大學<br>科技管理學程碩士在職專班<br>96<br>The Global Positioning System (“GPS”) industry is growing vigorously and creating new business opportunities after the US Government cancelled the “Selective Availability” codes. Market pull and technology push become the factors of the growth of the GPS industry. The GPS industry’s key technology is related to chip and software; the companies in Taiwan therefore have the advantage of manufacturing because of their production capability. This research, under the theories of Diamond Model, SWOT Analysis, Industrial Life Cycle Model, and Six Force Theory, anal

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