Relevant bibliographies by topics / Artificial satellites

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Artificial satellites'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Artificial satellites"

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Yifei, Xie. "Research on the development of artificial satellites." Theoretical and Natural Science 30, no. 1 (January 15, 2024): 275–79. http://dx.doi.org/10.54254/2753-8818/30/20241136.

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This paper aims to systematically explore the development history, current situation, and future trends of artificial satellites, and to comprehensively analyze the important role of artificial satellites in national science and technology, national defense, and economic construction. Firstly, the paper outlines the extensive applications of artificial satellites as an important component of modern aerospace technology in fields such as communication, navigation, meteorology, and earth observation, as well as their significant importance for national security and economic development. Secondly, this paper adopts the research methods of literature review and case analysis to systematically study the latest progress and achievements in artificial satellite technology in various countries around the world and deeply analyzes the key technological breakthroughs and current development status of China in remote sensing, navigation, communication and other fields. Finally, through an in-depth analysis of the development trends and challenges faced by artificial satellite technology, combined with the current development status of Chinas aerospace industry, strategies and suggestions for the future development of artificial satellite technology in China are proposed. This study can provide theoretical support for the research and application of artificial satellite technology in China, and help promote the sustained and healthy development of Chinas aerospace industry.
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Schutz, B. E. "New Observational Techniques and Precise Orbit Determination of Artificial Satellites." International Astronomical Union Colloquium 165 (1997): 79–85. http://dx.doi.org/10.1017/s025292110004639x.

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AbstractModern observational techniques using ground-based and space-based instrumentation have enabled the measurement of the distance between the instrument and satellite to better than one centimeter. Such high precision instrumentation has fostered applications with centimeter-level requirements for satellite position knowledge. The determination of the satellite position to such accuracy requires a comparable modeling of the forces experienced by the satellite, especially when classical orbit determination methods are used. Geodetic satellites, such as Lageos, in conjunction with high precision ground-based laser ranging, have been used to improve for modeling of forces experienced by the satellite. Space-based techniques, such as Global Positioning System (GPS), offer alternatives, including kinematic techniques which require no modeling of the satellite forces, or only rudimentary models. This paper will describe the various techniques and illustrate the accuracies achieved with current satellites, such as TOPEX/POSEIDON, GPS/MET and the expectations for some future satellites.
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MATSUNAGA, Saburo. "Very Small Artificial Satellites." Journal of the Society of Mechanical Engineers 108, no. 1042 (2005): 708–9. http://dx.doi.org/10.1299/jsmemag.108.1042_708.

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Saiko, Volodymyr, Teodor Narytnyk, Valeriy Gladkykh, and Natalia Sivkova. "INNOVATIVE SOLUTION FOR LEO-SYSTEM WITH DISTRIBUTED SATELLITE ARCHITECTURE." Information systems and technologies security, no. 1 (2) (2020): 77–83. http://dx.doi.org/10.17721/ists.2020.1.77-83.

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An innovative solution for practical implementation in a LEO system with a "distributed satellite" architecture that can be used to provide low-orbital spacecraft communications with ground stations and users of 5G / IoT satellite services is proposed. The essence of the proposed development in the system of low-orbital satellite communication with FC-architecture is that to reduce the delay in signaling to consumers and the probability of overloading the network into a prospective system of low-orbital satellite communication, which contains artificial Earth satellites, each of which functions in Earth orbit and equipped with onboard repeaters, inter-satellite communications, a network of ground-based communication and control systems for artificial satellites of the Earth, a grouping of low-orbiting space their devices (LEO-system), which includes the grouping of root (leading) satellites and satellites-repeaters (slave), around each root satellite is formed micro-grouping of satellites-repeaters, and functions of the root satellite in the selected orbital phase of the orbital -or micro-satellites that are connected to the annular network by communication lines between satellites, and - functions of satellites-repeaters - kubsat, new is the introduction of a multilevel boundary cloud system, which is a heterogeneity distributed computing cloud structure. At the same time, the boundary clouds of the multilevel system are connected by ultra-high-speed wireless terahertz radio lines and wireless optical communication systems. The technique of estimation of access time in the proposed structure of "fog computing" on the basis of the model of access in "fog computing" with the resolution of collisions of data sources implementing the survey mode is presented.
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KUDO, ISAO. "Satellite Technology in Space Age. Commercialization of Artificial Satellites." Journal of the Institute of Electrical Engineers of Japan 118, no. 4 (1998): 206–9. http://dx.doi.org/10.1541/ieejjournal.118.206.

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Olukunle Kolawole, Soyinka, and Duan Haibin. "Satellite formation keeping via chaotic artificial bee colony." Aircraft Engineering and Aerospace Technology 89, no. 2 (March 6, 2017): 246–56. http://dx.doi.org/10.1108/aeat-02-2014-0019.

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Purpose Keeping satellite position within close tolerances is key for the utilization of satellite formations for space missions. The presence of perturbation forces makes control inevitable if such mission objective is to be realised. Various approaches have been used to obtain feedback controller parameters for satellites in a formation; this paper aims to approach the problem of estimating the optimal feedback parameter for a leader–follower pair of satellites in a small eccentric orbit using nature-based search algorithms. Design/methodology/approach The chaotic artificial bee colony algorithm is a variant of the basic artificial bee colony algorithm. The algorithm mimics the behaviour of bees in their search for food sources. This paper uses the algorithm in optimizing feedback controller parameters for a satellite formation control problem. The problem is formulated to optimize the controller parameters while minimizing a fuel- and state-dependent cost function. The dynamical model of the satellite is based on Gauss variational equations with J2 perturbation. Detailed implementation of the procedure is provided, and experimental results of using the algorithm are also presented to show feasibility of the method. Findings The experimental results indicate the feasibility of this approach, clearly showing the effective control of the transients that arise because of J2 perturbation. Originality/value This paper applied a swarm intelligence approach to the problem of estimating optimal feedback control parameter for a pair of satellites in a formation.
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Bordovitsyna, T. V., and N. A. Sharkovsky. "On calculation of relativistic effects in numerical prediction of the artificial satellite motion." Symposium - International Astronomical Union 114 (1986): 283–88. http://dx.doi.org/10.1017/s0074180900148302.

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This paper discussed the algorithm of the calculation of relativistic effects in numerical prediction of the artificial satellites motion. An attempt to estimate the values of relativistic effects in the motion of two artificial satellites Navstar and Lageos is made. These values are compared with the quantities of other weak perturbations and the errors of the calculated position of the satellite due to the inaccurate approximation of perturbations.
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Ammar, M. K., M. R. Amin, and M. H. M. Hassan. "Visibility intervals between two artificial satellites under the action of Earth oblateness." Applied Mathematics and Nonlinear Sciences 3, no. 2 (July 5, 2018): 353–74. http://dx.doi.org/10.21042/amns.2018.2.00028.

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AbstractThis paper presents an analytical method to determine the rise-set times of satellite-satellite visibility periods in different orbits. The Visibility function in terms of the orbital elements of the two satellites versus the time were derived explicitly up to e4. The line-of-sight corrected for Earth Oblateness up to J2, were considered as a perturbation to the orbital elements. The visibility intervals of the satellites were calculated for some numerical examples in order to test the results of the analytical work.
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Y. CH BISSA, Stevry, Ibnu Nurul Huda, Muhammad Bayu Saputra, Sofian Rizal, Ridlo W. Wibowo, and Farahhati Mumtahana. "Development of artificial Earth satellite simulation software for future radio telescopes in Indonesia." Romanian Astronomical Journal 33, no. 1-2 (December 12, 2023): 3–14. http://dx.doi.org/10.59277/roaj.2023.1-2.01.

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"In the near future, four radio telescopes will be installed in Indonesia. Besides the astronomical purposes, these telescopes are expected to support the ground station for tracking the Artificial Earth Satellites (AES). In this study, we focus on the development of AES simulation software, named AESSIMS, that can be used to aid Indonesian radio telescope engineers in tracking the AES. This software is interactive and web-based. It can track the AES position in real time as well as predict the position for the near future. This software provides information about when a satellite signal can be acquired and lost, which can be beneficial for radio telescopes to establish communication with the satellite. We visualize the use of this software by conducting a simulation of satellite tracking by Indonesian future radio telescopes. Three Indonesian satellites named LAPAN-A1/TUBSAT, LAPAN-A2/ORARI, and LAPAN-A3/IPB are considered in the simulation. This study demonstrates that AESSIMS simulation results for Indonesian satellites and radio telescopes are consistent with the results obtained from already existing satellite tracking simulation software."
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Romashkina, Nataliya. "SPACE AS PART OF THE GLOBAL INFORMATION SPACE DURING MILITARY OPERATIONS." Voprosy kiberbezopasnosti, no. 6(52) (2022): 100–111. http://dx.doi.org/10.21681/2311-3456-2022-6-100-111.

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Purpose: To identify the current possibilities of the use of artificial earth satellites for military purposes, as well as the problems of illegal destructive use of satellites during hostilities based on analysis and systematization according to various parameters of functions of satellites as part of the modern global information space and to develop proposals that can reduce the likelihood of escalation of the conflict during the crisis. Research method: analysis of open sources on the purposeful use of modern AES, synthesis and scientific forecasting, expert assessment, factological analysis of the AES within the framework of a systematic approach. Result: the article presents an analysis and systematization significant dynamic changes at the cosmic level of the global information space associated with the large-scale spread and significant increase in the number of artificial earth satellites, as well as with the growing importance of satellites for military purposes. The article pres- ents the classification of satellites performing military functions, reveals the possibilities of modern satellites in the period of crisis and military operations and the analysis of the US satellite constellation as a leader in this field. The author poses the problems of the illegal destructive use of artificial earth satellites during military conflicts, as- sociated with this increase in the risk of cyber threats and an increase in the likelihood of escalation of the conflict, threats to Russia, international security and strategic stability. The article proves the quantitative and qualitative characteristics of the satellite constellation are today one of the most important indicators of the influence and potential of the state in the world. Scientific novelty: Proposals have been developed to minimize threats to Russia, as well as to reduce the likeli- hood of an escalation of the conflict during the crisis.
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Dissertations / Theses on the topic "Artificial satellites"

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Amier, Zine-Eddine. "On some transportation problems involving tethered satellite systems." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66256.

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Van, Daalen Corné E. "Strategies for the control of a satellite with thruster misalignment /." Link to the online version, 2006. http://hdl.handle.net/10019/281.

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Bordi, John Joseph. "The precise range and range-rate equipment (PRARE) and its application to precise orbit determination /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Demarest, Peter. "Strategies for the maintenance of satellite ground tracks /." Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3008311.

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Gilthorpe, Mark S. "Resonance studies of artificial earth satellites." Thesis, Aston University, 1991. http://publications.aston.ac.uk/10658/.

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Orbit determination from artificial satellite observations is a key process in obtaining information about the Earth and its environment. A study of the perturbations experienced by these satellites enables knowledge to be gained of the upper atmosphere, the gravity field, ocean tides, solid-Earth tides and solar radiation. The gravity field is expressed as a double infinite scries of associated Legendre functions (tesseral harmonics). In contemporary global gravity field models the overall geoid is well determined. An independent check on these gravity field harmonics of a particular order may be made by analysis of satellites that pass through resonance of that order. For such satellites the perturbations of the orbital elements close to resonance are analysed to derive lumped harmonic coefficients. The orbital parameters of 1984-106A have been determined at 43 epochs, during which time the satellite was close to 14th order resonance. Analysis of the inclination and eccentricity yielded 6 lumped harmonic coefficients of order 14 whilst analysis of the mean motion yielded additional pairs of lumped harmonics of orders 14, 28 and 42, with the 14"1 order harmonics superseding those obtained from analysis of the inclination. This thesis concentrates in detail on the theoretical changes of a near-circular satellite orbit perturbed by the Earth's gravity field under the influence of minimal air-drag whilst in resonance with the Earth. The satellite 1984-106A experienced the interesting property of being temporarily trapped with respect to a secondary resonance parameter due to the low air-drag in 1987. This prompted the theoretical investigation of such a phenomenon. Expressions obtained for the resonance parameter led to the determination of 8 lumped harmonic coefficients, coincidental to those already obtained. All the derived lumped harmonic values arc used to test the accuracy of contemporary gravity field models and the underlying theory in this thesis.
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Stewart, Abbie Marie. "A guide to the establishment of a university satellite program." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.umr.edu/thesis/pdf/THESISfinal_09007dcc8031d8ef.pdf.

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Thesis (M.S.)--University of Missouri--Rolla, 2007.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed May 16, 2007) Includes bibliographical references (p. 96-97).
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Anderson, Jason Lionel. "Autonomous Satellite Operations For CubeSat Satellites." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/256.

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In the world of educational satellites, student teams manually conduct operations daily, sending commands and collecting downlinked data. Educational satellites typically travel in a Low Earth Orbit allowing line of sight communication for approximately thirty minutes each day. This is manageable for student teams as the required manpower is minimal. The international Global Educational Network for Satellite Operations (GENSO), however, promises satellite contact upwards of sixteen hours per day by connecting earth stations all over the world through the Internet. This dramatic increase in satellite communication time is unreasonable for student teams to conduct manual operations and alternatives must be explored. This thesis first introduces a framework for developing different Artificial Intelligences to conduct autonomous satellite operations for CubeSat satellites. Three different implementations are then compared using Cal Poly's CP6 CubeSat and the University of Tokyo's XI-IV CubeSat to determine which method is most effective.
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Stelianos, Haralambos. "The use of commercial Low Earth Orbit satellite systems to support DoD communications." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA326969.

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Thesis (M.S. in Electrical Engineering) Naval Postgraduate School, December 1996.
"December 1996." Thesis advisor(s): Tri T. Ha and Vicente Garcia. Includes bibliographical references (p. 95-97). Also available online.
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FERUGLIO, LORENZO. "Artificial Intelligence for Small Satellites Mission Autonomy." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2694565.

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Space mission engineering has always been recognized as a very challenging and innovative branch of engineering: since the beginning of the space race, numerous milestones, key successes and failures, improvements, and connections with other engineering domains have been reached. Despite its relative young age, space engineering discipline has not gone through homogeneous times: alternation of leading nations, shifts in public and private interests, allocations of resources to different domains and goals are all examples of an intrinsic dynamism that characterized this discipline. The dynamism is even more striking in the last two decades, in which several factors contributed to the fervour of this period. Two of the most important ones were certainly the increased presence and push of the commercial and private sector and the overall intent of reducing the size of the spacecraft while maintaining comparable level of performances. A key example of the second driver is the introduction, in 1999, of a new category of space systems called CubeSats. Envisioned and designed to ease the access to space for universities, by standardizing the development of the spacecraft and by ensuring high probabilities of acceptance as piggyback customers in launches, the standard was quickly adopted not only by universities, but also by agencies and private companies. CubeSats turned out to be a disruptive innovation, and the space mission ecosystem was deeply changed by this. New mission concepts and architectures are being developed: CubeSats are now considered as secondary payloads of bigger missions, constellations are being deployed in Low Earth Orbit to perform observation missions to a performance level considered to be only achievable by traditional, fully-sized spacecraft. CubeSats, and more in general the small satellites technology, had to overcome important challenges in the last few years that were constraining and reducing the diffusion and adoption potential of smaller spacecraft for scientific and technology demonstration missions. Among these challenges were: the miniaturization of propulsion technologies, to enable concepts such as Rendezvous and Docking, or interplanetary missions; the improvement of telecommunication state of the art for small satellites, to enable the downlink to Earth of all the data acquired during the mission; and the miniaturization of scientific instruments, to be able to exploit CubeSats in more meaningful, scientific, ways. With the size reduction and with the consolidation of the technology, many aspects of a space mission are reduced in consequence: among these, costs, development and launch times can be cited. An important aspect that has not been demonstrated to scale accordingly is operations: even for small satellite missions, human operators and performant ground control centres are needed. In addition, with the possibility of having constellations or interplanetary distributed missions, a redesign of how operations are management is required, to cope with the innovation in space mission architectures. The present work has been carried out to address the issue of operations for small satellite missions. The thesis presents a research, carried out in several institutions (Politecnico di Torino, MIT, NASA JPL), aimed at improving the autonomy level of space missions, and in particular of small satellites. The key technology exploited in the research is Artificial Intelligence, a computer science branch that has gained extreme interest in research disciplines such as medicine, security, image recognition and language processing, and is currently making its way in space engineering as well. The thesis focuses on three topics, and three related applications have been developed and are here presented: autonomous operations by means of event detection algorithms, intelligent failure detection on small satellite actuator systems, and decision-making support thanks to intelligent tradespace exploration during the preliminary design of space missions. The Artificial Intelligent technologies explored are: Machine Learning, and in particular Neural Networks; Knowledge-based Systems, and in particular Fuzzy Logics; Evolutionary Algorithms, and in particular Genetic Algorithms. The thesis covers the domain (small satellites), the technology (Artificial Intelligence), the focus (mission autonomy) and presents three case studies, that demonstrate the feasibility of employing Artificial Intelligence to enhance how missions are currently operated and designed.
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Oiesen, Eric A. "A satellite signal recognition system." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09052009-040513/.

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Books on the topic "Artificial satellites"

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1944-, Moser Diane, ed. Artificial satellites. New York: Franklin Watts, 2001.

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Angelo, Joseph A. Satellites. New York, NY: Facts on File, Inc., 2006.

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Johnson, Rebecca L. Satellites. Minneapolis, MN: Lerner Publications, 2006.

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Steve, Parker. Satellites. Austin, Tex: Raintree Steck-Vaughn, 1997.

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Steve, Parker. Satellites. Parsippany, NJ: Dillon Press, 1998.

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Jefferis, David. Satellites. London: F. Watts, 1987.

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Jefferis, David. Satellites. London: F. Watts, 1987.

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Fox, Mary Virginia. Satellites. Tarrytown, N.Y: Benchmarks Books, 1996.

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Muriel, Simon, Wilson A. 1956-, European Space Agency, and European Commission, eds. Galileo: The European programme for global navigation services. 2nd ed. Noordwijk: ESA Publications Division, 2005.

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Yamakoshi, Takao. Gijutsu shiken eisei VIII-gata (ETS-VIII) o mochita saigai taiō sensa dēta no densō jikken ni kansuru kyōdō kenkyū hōkokusho. Ibaraki-ken Tsukuba-shi: Doboku Kenkyūjo, 2013.

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Book chapters on the topic "Artificial satellites"

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Miles, Howard. "Artificial Satellites." In The Observational Amateur Astronomer, 253–69. London: Springer London, 1995. http://dx.doi.org/10.1007/978-1-4471-0389-9_17.

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Bertotti, Bruno, Paolo Farinella, and David Vokrouhlický. "Artificial Satellites." In Astrophysics and Space Science Library, 587–620. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0233-2_18.

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Bertotti, Bruno, and Paolo Farinella. "Artificial Satellites." In Physics of the Earth and the Solar System, 391–417. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1916-7_18.

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Beutler, Gerhard. "Artificial Earth Satellites." In Astronomy and Astrophysics Library, 123–210. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-26512-0_3.

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Kresken, R. "Artificial Earth Satellites." In Compendium of Practical Astronomy, 169–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-45704-3_6.

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Schmude, Richard. "Observing Artificial Satellites." In Astronomers' Observing Guides, 113–42. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3915-8_4.

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Wukelic, G. E., R. A. Duffee, and R. C. Behn. "Artificial Earth Satellites." In Handbook of Soviet Space-Science Research, 25–60. London: Routledge, 2024. http://dx.doi.org/10.4324/9781032674247-3.

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Markowitz, W. "Timing for Geodetic Satellites." In The Use of Artificial Satellites for Geodesy, 245–46. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm015p0245.

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Schmude, Richard. "Imaging Artificial Satellites and Doing Research." In Astronomers' Observing Guides, 143–62. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3915-8_5.

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Chechile, Ignacio. "Artificial Satellites; The Shortest Introduction Ever." In Space Technology, 7–10. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-34818-1_2.

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Conference papers on the topic "Artificial satellites"

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Fitch, J. P., T. W. Lawrence, D. M. Goodman, and E. M. Johansson. "Speckle Imaging of Satellites." In Signal Recovery and Synthesis. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/srs.1992.wa1.

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We performed a series of experiments using the Air Force Maui Optical Station’s 1.6 m telescope and a bare CCD detector to capture speckle images of various satellites. The speckle images were processed with bispectral techniques for recovering image Fourier phase as well as projection onto convex sets for recovering image Fourier magnitude from the projected autocorrelation. Results of imaging point stars and binaries are shown as a baseline assessment of our technique. We have reconstructed high quality images of numerous satellites and will show reconstructions of a very familiar satellite: the Hubble Space Telescope. To our knowledge, this is the first demonstration of the use of bare CCDs for speckle imaging of relatively bright objects such as artificial satellites.
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Gibson, David M. "Artificial satellites as ground-truth objects for IOTA." In Astronomy '90, Tucson AZ, 11-16 Feb 90, edited by James B. Breckinridge. SPIE, 1990. http://dx.doi.org/10.1117/12.19291.

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Gao, Hanhong, Jonathan M. Watson, Joseph Scott Stuart, and George Barbastathis. "Detection of Artificial Satellites Using Optimized Volume Hologram Filters." In Digital Holography and Three-Dimensional Imaging. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/dh.2013.dw5a.4.

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Degnan, John J. "An Introduction to Subcentimeter Satellite Laser Ranging: Hardware and Applications." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.tut4.

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Satellite laser ranging (SLR) to an artificial satellite equipped with a passive retroreflector array was first demonstrated by the NASA Goddard Space Flight Center in 1964. Over the past three decades, the range precision has improved by roughly three orders of magnitude - from a few meters to a few millimeters - and over 50 satellites have been tracked by laser. Today, an international network of over 40 stations routinely track a constellation of over 20 artificial satellites and the Moon in support of a wide range of applications. Science applications include a a geocentric global reference frame accurate to a centimeter, the monitoring of tectonic plate motion, regional crustal deformation near plate boundaries, the static and time varying components of the Earth’s gravity field, motion of the Earth’s spin axis, variations in the Earth rotation rate (Length of Day), surface topography (oceans, land, and ice), monitoring of large mass movements within the atmosphere and oceans and providing constraints to global circulation models, lunar physics, general relativity, and the measurement of fundamental physical constants. Engineering applications include precise orbit prediction, the measurement of nonconservative forces in space, subnanosecond global time transfer between atomic clocks and the calibration and testing of groundbased microwave radars as well as new spacebased navigation systems such as the Global Positioning System (GPS).
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Junqueira, Igor de Andrade, Heder Soares Bernardino, Lorenza Leão Oliveira Moreno, Luciana Brugiolo Gonçalves, and Stênio Sã Rosário F. Soares. "Iterated Greedy for The Two-Echelon Electric Vehicle Routing Problem with Time Windows." In Encontro Nacional de Inteligência Artificial e Computacional. Sociedade Brasileira de Computação - SBC, 2023. http://dx.doi.org/10.5753/eniac.2023.234252.

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Cargo transportation can be very challenging in big cities due to congestion, pollution, and the prohibition of circulation at certain times of the day. Many transportation models can help to improve these issues. An example is the Two-Echelon Electric Vehicle Routing Problem with Time Windows (2E-EVRP-TW), which combines Electric Vehicles (EVs) with small capacity and Combustion Vehicles (CVs) with large capacity and range. These types of vehicles are combined in the solution using satellites, which are intermediary depots. The satellites attend to customers using EVs, and the satellites are attended by CVs that leave the central depot. As EVs have a limited range due to their batteries, recharging stations can be used. We propose here an Iterated Greedy (IG) with destroy and repair operators only. We compare the proposed IG with two Variable Neighborhood Search approaches from the literature, and the proposal obtained better results, both concerning distance (objective function) and CPU time.
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Oprea, Marin. "SKY OBSERVATIONS IN THE PHYSICS CLASS - DETECTION OF ARTIFICIAL SATELLITES USING A SMARTPHONE." In eLSE 2017. Carol I National Defence University Publishing House, 2017. http://dx.doi.org/10.12753/2066-026x-17-103.

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The study of celestial objects has always been a challenge for humanity. Using the parallax method, astronomers have gained a large database regarding the celestial objects in the Earth’s vicinity and those situated at longer distances in space. The evolution of space technology has enabled the launching of satellites, artificial objects that gravitate on the Earth’s orbit. For a relatively long period of time, the study of these objects (their position and trajectory) was possible using a technology available only to the scientific community and the military. Nowadays, due to the advancements in mobile technology, the presence of the acceleration, GPS and magnetic sensors in a smartphone enable, through a series of dedicated applications, the detection of the precise position and trajectory of certain communication and scientific satellites. In this study I will show how, using the application ISS Detector, the students in the Physics class can quickly receive data regarding the trajectory of International Space Station (ISS) and of the satellites from the Iridium constellation, together with information about their elevation, magnitude. Using this data, the students can calculate the altitude and the terrestrial coordinates associated with the ISS and the Iridium satellites relative to the reference system they are located in.
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Chen, Hao, Jun Li, Ning Jing, and Yu Tang. "Hybrid Algorithms for Electromagnetic Detection Satellites Scheduling." In 2008 20th IEEE International Conference on Tools with Artificial Intelligence (ICTAI). IEEE, 2008. http://dx.doi.org/10.1109/ictai.2008.8.

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Deng, Yu, Huadong Guo, Guang Liu, Hanlin Ye, Jing Huang, and Runbo Dong. "Comparisons of Observational Angles Between Moon-Based Platform and Artificial Satellites." In IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2021. http://dx.doi.org/10.1109/igarss47720.2021.9554944.

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Gazak, J. Zachary, Ian McQuaid, Ryan Swindle, Matthew Phelps, and Justin Fletcher. "SpectraNet: Learned Recognition of Artificial Satellites from High Contrast Spectroscopic Imagery." In 2022 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV). IEEE, 2022. http://dx.doi.org/10.1109/wacv51458.2022.00246.

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Wang, Haibo, Minqiang Xu, Rixin Wang, and Yuqing Li. "Scheduling Earth Observing Satellites with Hybrid Ant Colony Optimization Algorithm." In 2009 International Conference on Artificial Intelligence and Computational Intelligence. IEEE, 2009. http://dx.doi.org/10.1109/aici.2009.87.

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Reports on the topic "Artificial satellites"

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Hwang, Tim, and Emily Weinstein. Decoupling in Strategic Technologies: From Satellites to Artificial Intelligence. Center for Security and Emerging Technology, July 2022. http://dx.doi.org/10.51593/20200085.

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Geopolitical tensions between the United States and China have sparked an ongoing dialogue in Washington about the phenomenon of “decoupling”—the use of public policy tools to separate the multifaceted economic ties that connect the two powers. This issue brief provides a historical lens on the efficacy of one specific aspect of this broader decoupling phenomenon: using export controls and related trade policies to prevent a rival from acquiring the equipment and know-how to catch up to the United States in cutting-edge, strategically important technologies.
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Lane, M. T. On Analytic Modeling of Lunar Perturbations of Artificial Satellites of the Earth. Fort Belvoir, VA: Defense Technical Information Center, June 1989. http://dx.doi.org/10.21236/ada210440.

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Temple, Dorota S., Jason S. Polly, Meghan Hegarty-Craver, James I. Rineer, Daniel Lapidus, Kemen Austin, Katherine P. Woodward, and Robert H. Beach III. The View From Above: Satellites Inform Decision-Making for Food Security. RTI Press, August 2019. http://dx.doi.org/10.3768/rtipress.2019.rb.0021.1908.

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Despite notable progress in reducing global poverty and hunger in recent decades, about one out of nine people in the world suffers from hunger and malnutrition. Stakeholders charged with making decisions pertaining to agricultural production, development priorities, and policies at a region-to-country scale require quantitative and up-to-date information on the types of crops being cultivated, the acreage under cultivation, and crop yields. However, many low- and middle-income countries lack the infrastructure and resources for frequent and extensive agricultural field surveys to obtain this information. Technology supports a change of paradigm. Traditional methods of obtaining agricultural information through field surveys are increasingly being augmented by images of the Earth acquired through sensors placed on satellites. The continued improvement in the resolution of satellite images, the establishment of open-access infrastructure for processing of the images, and the recent revolutionary progress in artificial intelligence make it feasible to obtain the information at low cost and in near-to-real time. In this brief, we discuss the use of satellite images to provide information about agricultural production in low-income countries, and we comment on research challenges and opportunities. We highlight the near-term potential of the methodology in the context of Rwanda, a country in sub-Saharan Africa whose government has recognized early the value of information technology in its strategic planning for food security and sustainability.
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Miller, Kyle, and Andrew Lohn. Onboard AI: Constraints and Limitations. Center for Security and Emerging Technology, August 2023. http://dx.doi.org/10.51593/2022ca008.

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Artificial intelligence that makes news headlines, such as ChatGPT, typically runs in well-maintained data centers with an abundant supply of compute and power. However, these resources are more limited on many systems in the real world, such as drones, satellites, or ground vehicles. As a result, the AI that can run onboard these devices will often be inferior to state of the art models. That can affect their usability and the need for additional safeguards in high-risk contexts. This issue brief contextualizes these challenges and provides policymakers with recommendations on how to engage with these technologies.
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Hofer, Martin, Tomas Sako, Arturo Martinez Jr., Mildred Addawe, Joseph Bulan, Ron Lester Durante, and Marymell Martillan. Applying Artificial Intelligence on Satellite Imagery to Compile Granular Poverty Statistics. Asian Development Bank, December 2020. http://dx.doi.org/10.22617/wps200432-2.

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This study outlines a computational framework to enhance the spatial granularity of government-published poverty estimates, citing data from the Philippines and Thailand. Computer vision techniques were applied on publicly available medium resolution satellite imagery, household surveys, and census data from the two countries. The results suggest that even using publicly accessible satellite imagery, predictions generally aligned with the distributional structure of government-published poverty estimates after calibration. The study further examines the robustness of the resulting estimates to user-specified algorithmic parameters and model specifications.
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Khan, Samir. Redefining Space Commerce: The Move Toward Servitization. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, January 2024. http://dx.doi.org/10.4271/epr2024002.

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<div class="section abstract"><div class="htmlview paragraph">“New Space" is reshaping the economic landscape of the space industry and has far-reaching implications for technological innovation, business models, and market dynamics. This change, aligned with the digitalization in the world economy, has given rise to innovations in the downstream space segment. This “servitization” of the space industry, essentially, has led to the transition from selling products like satellites or spacecraft, to selling the services these products provide. This also connects to applications of various technologies, like cloud computing, artificial intelligence, and virtualization.</div><div class="htmlview paragraph"><b>Redefining Space Commerce: The Move Toward Servitization</b> discusses the advantages of this shift (e.g., cost reduction, increased access to space for smaller organizations and countries), as well as the challenges, such as maintaining safety and security, establishing standardization and regulation, and managing risks. The implications of this may be far-reaching, affecting not only the space industry but also related fields, such as defense, telecommunications, and activity monitoring. This report also explores the transformative changes happening in the space sector and their impact on economic evaluation and space policy.</div><div class="htmlview paragraph"><a href="https://www.sae.org/publications/edge-research-reports" target="_blank">Click here to access the full SAE EDGE</a><sup>TM</sup><a href="https://www.sae.org/publications/edge-research-reports" target="_blank"> Research Report portfolio.</a></div></div>
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Thegeya, Aaron, Thomas Mitterling, Arturo Martinez Jr, Joseph Albert Niño Bulan, Ron Lester Durante, and Jayzon Mag-atas. Application of Machine Learning Algorithms on Satellite Imagery for Road Quality Monitoring: An Alternative Approach to Road Quality Surveys. Asian Development Bank, December 2022. http://dx.doi.org/10.22617/wps220587-2.

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This paper examines the feasibility of using satellite imagery and artificial intelligence to develop an efficient and cost-effective way to determine and predict the condition of roads in the Asia and Pacific region. The paper notes that collecting information on road quality is difficult, particularly in harder to reach middle- and low-income areas, and explains why this method offers an alternative. It shows how the study’s preliminary algorithm was created using satellite imagery and existing road roughness data from the Philippines. It assesses the accuracy rate and finds it sufficient for the preliminary identification of poor to bad roads. It notes that additional enhancements are needed to increase its prediction accuracy and make it more robust.
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Velinov, Peter I. Y. Development of advanced space sciences after first artificial satellite. 60-th anniversary of the space age. Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences, April 2018. http://dx.doi.org/10.7546/aerebu.29.18.01.13.

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Perdigão, Rui A. P. Information physics and quantum space technologies for natural hazard sensing, modelling and prediction. Meteoceanics, September 2021. http://dx.doi.org/10.46337/210930.

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Disruptive socio-natural transformations and climatic change, where system invariants and symmetries break down, defy the traditional complexity paradigms such as machine learning and artificial intelligence. In order to overcome this, we introduced non-ergodic Information Physics, bringing physical meaning to inferential metrics, and a coevolving flexibility to the metrics of information transfer, resulting in new methods for causal discovery and attribution. With this in hand, we develop novel dynamic models and analysis algorithms natively built for quantum information technological platforms, expediting complex system computations and rigour. Moreover, we introduce novel quantum sensing technologies in our Meteoceanics satellite constellation, providing unprecedented spatiotemporal coverage, resolution and lead, whilst using exclusively sustainable materials and processes across the value chain. Our technologies bring out novel information physical fingerprints of extreme events, with recently proven records in capturing early warning signs for extreme hydro-meteorologic events and seismic events, and do so with unprecedented quantum-grade resolution, robustness, security, speed and fidelity in sensing, processing and communication. Our advances, from Earth to Space, further provide crucial predictive edge and added value to early warning systems of natural hazards and long-term predictions supporting climatic security and action.
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Borrett, Veronica, Melissa Hanham, Gunnar Jeremias, Jonathan Forman, James Revill, John Borrie, Crister Åstot, et al. Science and Technology for WMD Compliance Monitoring and Investigations. The United Nations Institute for Disarmament Research, December 2020. http://dx.doi.org/10.37559/wmd/20/wmdce11.

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The integration of novel technologies for monitoring and investigating compliance can enhance the effectiveness of regimes related to weapons of mass destruction (WMD). This report looks at the potential role of four novel approaches based on recent technological advances – remote sensing tools; open-source satellite data; open-source trade data; and artificial intelligence (AI) – in monitoring and investigating compliance with WMD treaties. The report consists of short essays from leading experts that introduce particular technologies, discuss their applications in WMD regimes, and consider some of the wider economic and political requirements for their adoption. The growing number of space-based sensors is raising confidence in what open-source satellite systems can observe and record. These systems are being combined with local knowledge and technical expertise through social media platforms, resulting in dramatically improved coverage of the Earth’s surface. These open-source tools can complement and augment existing treaty verification and monitoring capabilities in the nuclear regime. Remote sensing tools, such as uncrewed vehicles, can assist investigators by enabling the remote collection of data and chemical samples. In turn, this data can provide valuable indicators, which, in combination with other data, can inform assessments of compliance with the chemical weapons regime. In addition, remote sensing tools can provide inspectors with real time two- or three-dimensional images of a site prior to entry or at the point of inspection. This can facilitate on-site investigations. In the past, trade data has proven valuable in informing assessments of non-compliance with the biological weapons regime. Today, it is possible to analyse trade data through online, public databases. In combination with other methods, open-source trade data could be used to detect anomalies in the biological weapons regime. AI and the digitization of data create new ways to enhance confidence in compliance with WMD regimes. In the context of the chemical weapons regime, the digitization of the chemical industry as part of a wider shift to Industry 4.0 presents possibilities for streamlining declarations under the Chemical Weapons Convention (CWC) and for facilitating CWC regulatory requirements.
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