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Letteratura scientifica selezionata sul tema "Artificial satellites in telecommunication"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 luglio 2024

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Articoli di riviste sul tema "Artificial satellites in telecommunication"

Almalki, Faris A., e Soufiene Ben Othman. "Predicting Joint Effects on CubeSats to Enhance Internet of Things in GCC Region Using Artificial Neural Network". Mobile Information Systems 2021 (25 novembre 2021): 1–16. http://dx.doi.org/10.1155/2021/1827155.

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Satellite telecommunication systems promise to bridge digital gaps and deliver wireless communication services to any corner of the world. However, despite satellites’ global connectivity and wide footprint, still atmospheric and dust impairments are open challenges that face satellite systems, especially at high-frequency bands in arid and semiarid regions. Therefore, this paper aims to predict joint effects of atmospheric and dust attenuations in Gulf Cooperation Council (GCC) countries on CubeSat communications using Artificial Neural Network (ANN). The prediction model has been carried out using a massive Multiple-Input Multiple-Output (MIMO) antenna payload at K-frequency Bands. Consider these joint effects have positive relations in calculating satellites link margin, which leads to obtaining efficient communication system, delivering better quality of service (QoS), and enhancing Internet of Things (IoT) connectivity, or even Internet of Space Things (IoST). Predicated results infer that the ANN attenuation predictions, along with the 5G MIMO antenna on-board the CubeSat, offer much promise channel model for satellite communications, which in turn leads to not only supporting IoT connectivity but also reducing power consumption, thus enhancing lifetime of CubeSat. Also, this study can provide a reference for CubeSat engineers to guarantee large-capacity communication.

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Blumberg, R. S., V. V. Sukhotin e O. I. Sizykh. "Method of determining the coordinates of the radio signal source in satellite communication systems". Spacecrafts & Technologies 7, n. 1 (24 marzo 2023): 60–67. http://dx.doi.org/10.26732/j.st.2023.1.07.

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Telecommunications have penetrated deeply into all spheres of human activity. Due to the use of digital technologies, it has become possible to transmit and receive information of various kinds in one stream (not separately). Three geostationary satellites are sufficient to provide data transmission from anywhere in the world to another point using artificial Earth satellites. Data transmission systems using the satellite should contain at least two Earth Stations and a repeater of the communication satellite. There are no means of combating any types of artificial interference in the Earth Stations equipment. The jammer, an illegitimate user, can emit a signal from any point in space within a telecommunications satellite system. The paper provides an analysis of existing methods for determining the coordinates of a radio signal source, describes a method for determining the coordinates of an radio signal source (illegitimate user) in satellite telecommunications systems using a geostationary spacecraft. The development was based on a three-position virtual antenna array, the positions of which determined the base of an irregular tetrahedron, and the radio signal source itself was its vertex. In the course of the solution, canonical equations of straight lines in space were compiled, at the intersection point of which the source of the radio signal is located. The coordinates of the radio signal source were the roots of the system, when finding the unit vectors lying on these lines.

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Terentieva, Liudmila. "The Issue of State Sovereignty in Cyberspace". Legal Issues in the Digital Age 2, n. 2 (27 luglio 2021): 49–69. http://dx.doi.org/10.17323/2713-2749.2021.2.49.67.

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The author examines a special approach to establishing the sovereignty of the state in relation to cyberspace, the extraterritorial characteristics of which determine the question of the implementation of the territorial supremacy of the state. The author concludes that the understanding of the state’s sovereignty in relation to cyberspace lies not in detailing a set of measures in the form of sovereign powers undertaken in this area, but in constructing the boundaries of cyberspace both in relation to the technical component of the network infrastructure that supports the smooth functioning of the Network, and in in relation to the virtual component of cyberspace. To achieve the goal of the study, the author proposed to combine social, technological and subjective approaches, understanding by cyberspace an artificial telecommunication environment for the implementation of public relations controlled by a wide range of subjects (states, intergovernmental organizations, non-governmental organizations, individuals, etc.), the functioning and maintenance of which is carried out by means of software-technical infrastructure in the form of its physical part (telecommunication networks, computers, servers, routers, processors, satellites, etc.) and a virtual part (operating systems, data transmission standards, hardware applications, software, etc.).

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Thosar, Rutuja S. "REVIEW ON SATELLITE COMMUNICATION". INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, n. 05 (14 maggio 2024): 1–5. http://dx.doi.org/10.55041/ijsrem33919.

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Satellite communication, an unprecedented invention, has completely altered global connectivity, serving as a backbone various sectors, such as like telecommunication, broadcasting, navigation, and remote sensing. The abstract will delineate the intriguing history of satellite communications and satellite orbits. Additionally, the abstract provides, when using artificial intelligence, it can potentially offer opportunities for enhanced performances, efficiency, and adaptability. In this review paper, we have discussing the numerous challenges facing satellite communication. The complexities surrounding satellite communication continue to present significant hurdles in terms, to both technical and operational aspects, thus impacting the overall efficacy, and reliability of satellite-based systems. Moreover, the integration of advanced technologies like artificial intelligence, machine learning, and blockchain may offer potential solutions to mitigate these challenges, paving the way for enhanced performances and increased efficiency. This review aims is to shed light on the current landscape of satellite communication by identifying critical issues and proposing innovative strategies for overcoming them. Keywords: Satellite communication, Artificial intelligence, Satellite orbits, Advancement, Satellite history.

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Nneka Adaobi Ochuba, Enyinaya Stefano Okafor, Olatunji Akinrinola, Favour Oluwadamilare Usman e Olukunle Oladipupo Amoo. "STRATEGIC PARTNERSHIPS IN THE SATELLITE AND TELECOMMUNICATIONS SECTORS: A CONCEPTUAL REVIEW OF DATA ANALYTICS-ENABLED IDENTIFICATION AND CAPITALIZATION OF SYNERGIES". Engineering Science & Technology Journal 5, n. 3 (10 marzo 2024): 716–27. http://dx.doi.org/10.51594/estj.v5i3.867.

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Strategic partnerships in the satellite and telecommunications sectors have become increasingly vital as technological advancements and market complexities continue to evolve. This conceptual review delves into the significance of data analytics-enabled identification and capitalization of synergies within these partnerships. The fusion of satellite and telecommunications technologies presents unique opportunities for innovation and growth, but also challenges that necessitate strategic collaboration. By leveraging data analytics, organizations can effectively identify synergies between satellite and telecommunications services, leading to enhanced operational efficiencies, expanded service offerings, and improved customer experiences. Through a comprehensive analysis of available data, companies can pinpoint areas of overlap and complementary strengths, laying the foundation for mutually beneficial partnerships. The review explores the multifaceted nature of strategic partnerships in these sectors, emphasizing the importance of aligning technological capabilities, market strategies, and regulatory frameworks. It underscores the role of data analytics as a catalyst for informed decision-making, enabling stakeholders to anticipate market trends, optimize resource allocation, and mitigate risks. Furthermore, the review examines the implications of emerging technologies such as artificial intelligence, machine learning, and predictive analytics on partnership dynamics. These tools not only streamline data analysis processes but also empower organizations to proactively identify synergistic opportunities and adapt to evolving market dynamics in real-time. Through a synthesis of theoretical frameworks and empirical evidence, this review provides insights into the strategic imperatives guiding partnership formation and management in the satellite and telecommunications sectors. It underscores the need for a holistic approach that integrates technological expertise with business acumen and regulatory compliance to unlock the full potential of strategic collaborations. The review advocates for a proactive and data-driven approach to identifying and capitalizing on synergies within strategic partnerships in the satellite and telecommunications sectors. By harnessing the power of data analytics, organizations can navigate the complexities of the digital ecosystem, drive innovation, and achieve sustainable competitive advantage in an increasingly interconnected world. Keywords: Partnership, Telecommunication, Data Analytics, Capitalization, Enabled Identification, Review.

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Gao, Minjun, Junhui Meng, Nuo Ma, Moning Li e Li Liu. "Artificial neural network–based constitutive relation modelling for the laminated fabric used in stratospheric airship". Composites and Advanced Materials 31 (gennaio 2022): 263498332110731. http://dx.doi.org/10.1177/26349833211073146.

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There have been gradually increasing interests in the stratospheric airship (SSA) as a cost-effective alternative to earth orbit satellites for telecommunication and high-resolution earth observation. Lightweight and high strength envelopes are the keys to the design of SSAs as it directly determines the endurance flight performance and loading deformation characteristics of the airship. Typical SSA envelope material is a laminated fabric, which is composed of fabric layer and other functional layers. Compared with conventional composite structures, the laminated fabric has complex nonlinear mechanical characteristics. Artificial neural network (ANN) has good processing ability to nonlinear information so that it is suitable to model the constitutive relation of laminated fabrics. In this work, an ANN based on the Scaled Conjugate Gradient (SCG) algorithm is proposed firstly to model the constitutive relation of fabric Uretek3216LV. Considering significant errors of the SCG ANN results, the network model is optimized through methods of selecting the number of hidden-layer nodes and training algorithms. Results show that the improved network model based on Bayesian Regularization (BR) algorithm and eight nodes of single hidden layer can better describe the constitutive relation of the laminated fabric than other conventional training algorithms. The proposed constitutive modelling method with ANN is expected to gain a deeper understanding of the mechanical mechanism and guide structural design of envelope material in further work.

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Terasawa, Ikuo. "Challenge Study: A Project-Based Learning on a Wireless Communication System at Technical High School". Higher Education Studies 6, n. 1 (11 gennaio 2016): 110. http://dx.doi.org/10.5539/hes.v6n1p110.

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<p>The challenge study is a project based learning curriculum at Technical High School aimed at the construction ofawireless communication system. The first period was engineering issues in the construction of an artificial satellite and the second period was apositional locating system based on the general purpose wire-less device—ZigBee device. The effectiveness of the program was evaluated on the basis of participants’ satisfaction and a metamorphosis in the learning and understanding of wire-less telecommunication technology.</p>

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Rizwanullah, Mohammed, Hanan Abdullah Mengash, Mohammad Alamgeer, Khaled Tarmissi, Amira Sayed A. Aziz, Amgad Atta Abdelmageed, Mohamed Ibrahim Alsaid e Mohamed I. Eldesouki. "Modelling of Metaheuristics with Machine Learning-Enabled Cybersecurity in Unmanned Aerial Vehicles". Sustainability 14, n. 24 (14 dicembre 2022): 16741. http://dx.doi.org/10.3390/su142416741.

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The adoption and recent development of Unmanned Aerial Vehicles (UAVs) are because of their widespread applications in the private and public sectors, from logistics to environment monitoring. The incorporation of 5G technologies, satellites, and UAVs has provoked telecommunication networks to advance to provide more stable and high-quality services to remote areas. However, UAVs are vulnerable to cyberattacks because of the rapidly expanding volume and poor inbuilt security. Cyber security and the detection of cyber threats might considerably benefit from the development of artificial intelligence. A machine learning algorithm can be trained to search for attacks that may be similar to other types of attacks. This study proposes a new approach: metaheuristics with machine learning-enabled cybersecurity in unmanned aerial vehicles (MMLCS-UAVs). The presented MMLCS-UAV technique mainly focuses on the recognition and classification of intrusions in the UAV network. To obtain this, the presented MMLCS-UAV technique designed a quantum invasive weed optimization-based feature selection (QIWO-FS) method to select the optimal feature subsets. For intrusion detection, the MMLCS-UAV technique applied a weighted regularized extreme learning machine (WRELM) algorithm with swallow swarm optimization (SSO) as a parameter tuning model. The experimental validation of the MMLCS-UAV method was tested using benchmark datasets. This widespread comparison study reports the superiority of the MMLCS-UAV technique over other existing approaches.

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Wang, Ling, e Zhengtang Guo. "Mission and challenges of higher education: an interview with G.Q. Max Lu, the president of the University of Surrey". National Science Review 7, n. 6 (1 giugno 2020): 1108–13. http://dx.doi.org/10.1093/nsr/nwaa072.

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Abstract The University of Surrey (referred to as Surrey hereafter) is one of the renowned universities in the UK that was established on 9 September 1966 with the grant of its Royal Charter and its roots go back to Battersea Polytechnic Institute, founded in 1891. Surrey is the research hub of small satellites, mobile telecommunication and artificial intelligence in Europe. In 2016, Surrey was named as ‘University of the Year’ in the UK and, in February 2018, Surrey won the Queen's Anniversary Prize for Higher and Further Education (Surrey's fourth award)—the highest national award for the UK universities, in recognition of the outstanding contribution of Surrey to nutrition and health. The president and vice chancellor of Surrey, Professor Max Lu, took this position in 2016 and is also the first scholar of Chinese origin to be the leader of a British university. Before he joined Surrey, he was the provost and senior vice president at the University of Queensland in Australia. Professor Lu is not only a talented leader in education field, but also a distinguished scientist in materials chemistry and nanotechnology area. He has been honored with numerous awards, including the Orica Award, RK Murphy Medal, China International Science and Technology Award and Medal of the Order of Australia, etc. He has been also appointed to the Prime Minister's Council for Science and Technology and the Board of UK Research and Innovation, etc. The rich experience and open-mindedness lead to his profound insights into higher education around the world. Lately elected as a fellow of Royal Academy of Engineering (RAEng) and foreign member of the Chinese Academy of Sciences, Professor Lu shared his broad and deep perspectives on higher education with National Science Review during his travel in Beijing.

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Nneka Adaobi Ochuba, Enyinaya Stefano Okafor, Olatunji Akinrinola, Olukunle Oladipupo Amoo e Favour Oluwadamilare Usman. "ENHANCING CUSTOMER SERVICE IN SATELLITE TELECOMMUNICATIONS: A REVIEW OF DATA-DRIVEN INSIGHTS AND METHODOLOGIES FOR PERSONALIZED SERVICE OFFERINGS". International Journal of Management & Entrepreneurship Research 6, n. 3 (7 marzo 2024): 582–93. http://dx.doi.org/10.51594/ijmer.v6i3.846.

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Enhancing customer service in satellite telecommunications is a critical focus area for companies seeking to differentiate themselves in a competitive market. This Review reviews data-driven insights and methodologies aimed at delivering personalized service offerings to satellite telecommunications customers. Personalized service offerings leverage data analytics to tailor services to individual customer needs and preferences. By analyzing customer data, such as usage patterns, service history, and feedback, satellite telecommunications companies can gain valuable insights into customer behavior and preferences. These insights enable companies to offer customized services that meet the specific needs of each customer. Data-driven insights play a crucial role in enhancing customer service in satellite telecommunications. By analyzing customer data, companies can identify trends and patterns that help them understand customer needs and preferences better. This understanding enables companies to develop personalized service offerings that resonate with customers and drive customer satisfaction and loyalty. Methodologies for delivering personalized service offerings in satellite telecommunications include predictive analytics, machine learning, and artificial intelligence. Predictive analytics enables companies to forecast customer behavior and anticipate future needs, allowing them to proactively address customer needs. Machine learning algorithms can analyze large volumes of customer data to identify patterns and trends that would be difficult for humans to detect. Artificial intelligence can enhance customer service by enabling companies to automate processes and provide personalized recommendations to customers. In conclusion, enhancing customer service in satellite telecommunications requires a data-driven approach that leverages insights and methodologies to deliver personalized service offerings. By analyzing customer data and using advanced analytics and AI technologies, satellite telecommunications companies can tailor services to individual customer needs and preferences, driving customer satisfaction and loyalty. Keywords: Customer Service, Satellite, Telecommunications, Data-driven, Service Offerings.

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Tesi sul tema "Artificial satellites in telecommunication"

Fernández-Briseño, Raúl. "Legal aspects of telecommunication satellites operation and financing". Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=19641.

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Over the last years the demand for satellite communication services has been increased. Global and domestic regulatory developments and support, as well as the emerge of new services, have facilitated launcMng capabilities and reduced the costs of manufacturing, launching and operating the satellites. Financing the telecommunication satellite systems is one of the most relevant issues that prospective satellite operators face on these days. Mstitutional lenders require adequate legal advise in order to properly instrument multimillion transactions where securitization is not enough clear and risks are extremely Mgh. TMs work analyzes the most important sources of financing of telecommunication satellites and the most adequate legal structures and methods based in legislation, legal cases, jurisprudence, doctrine, and legal practice.

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Hu, Yurong. "Datagram routing for low earth orbit satellite networks". Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23273215.

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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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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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Marston, Wendy. "Conflict of interests : the ideas, interests and institutions involved in the development of Canadian satellite policy from 1960-1980". Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60674.

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This thesis looks at the development of Canadian satellite policy between 1960 and 1980 through a study of the policy decisions relating to Telesat Canada, its specific corporate structure, and mandates and ownership patterns. The analysis draws upon a modified "interplay" model, which examines public policy as an amalgam of interacting ideas, interests and institutions. On the basis of available documents, supplemented by interviews, and supporting secondary analyses, the sometimes contradictory decisions made by the DOC and the CRTC with regards to Telesat's Agreement with the Trans Canada Telephone system during this period are argued to reflect a policy process driven by the interplay of competing views of Telesat's primary purpose and, by extension, competing visions of what constitutes the public interest.

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胡玉蓉 e Yurong Hu. "Datagram routing for low earth orbit satellite networks". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31224441.

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Gremont, Boris Christian. "Fade countermeasure modelling for Ka band digital satellite links". Thesis, Coventry University, 1997. http://curve.coventry.ac.uk/open/items/d85e8a85-635c-d024-3737-d1205f235596/1.

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This thesis investigates the modelling of fade countermeasures (FCMs) for the design of geostationary Ka band digital satellite communication systems. The analysis focuses on a typical low-power low-rate very small aperture terminal application using adaptive forward error correction as a way of counteracting the high level of detected dynamic atmospheric fading. The management and performance of such systems is conditioned greatly by the ability of practical controllers at detecting the actual level of total signal attenuation. At 20 or 30 GHz, rain attenuation and tropospheric scintillation are the two major propagation effects of interest. Part of the solution relies on the consideration and integration of their random and dynamic nature in the design process. The finite response time of practical countermeasure systems is a source of performance degradation which can be minimised by the implementation of predictive control strategies. This is the focal point of this thesis. A novel on-line short-term predictor matched to the Ka band fading process is proposed. While the rain attenuation component is efficiently predicted, tropospheric scintillation is the source of the estimation error. To take this into account, a statistical model, based on an extension of the global fading model for rain and scintillation, is then developed so that long term performance of predictive countermeasures can be drawn. Two possible ways to compensate for scintillation-induced prediction errors, namely the fixed and variable detection margin approaches, are proposed, analysed and then compared. This is achieved by calculating the FCM utilisation factor, as well as the throughput and bit error rate performance of a typical Ka band system in the presence of dynamic fading within the context of predictive fade countermeasure control operations. In the last part of this thesis, the inclusion of instantaneous frequency scaling in the design of efficient FCM control schemes is investigated. This is applicable to systems using fade detection at a base frequency. In particular, a new statistical model, accounting for the impact of the stochastic temporal variations of rain drop size distribution on rain attenuation, is presented. This thesis further confirms that countermeasure systems are technologically viable. The consideration of more specific design problems does not change the overall validity of this statement. In this thesis, it is shown that a predictive FCM technique, based on readily available punctured convolutional codes, with their relatively modest coding gain, is sufficient to provide high link availability and user data throughput on a low-power low-rate in-bound VSAT link.

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Bakari, Salim Rashid. "Solar panel development for high altitude and low earth orbit application". Thesis, Cape Peninsula University of Technology, 2010. http://hdl.handle.net/20.500.11838/2208.

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Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2010.
Stable and reliable source of electrical energy is a requirement for efficient operation of satellites. Several sources of electrical power for satellites exist such as fuel cells, nuclear or battery stored Direct Current energy but of late concentration has been on solar cells as the advantages compared to the other sources are many. Solar cells are p-n semiconductor devices which convert light energy into electrical energy by photovoltaic effect. The biggest drawback of solar cell energy system is the low light to electricity conversion efficiency. Apart from powering satellites, solar cells and panels have found other numerous applications such as in water pumping systems, rural electrification, street lightning. Photovoltaic principle of solar cells started way back in 1839 when Alexandre Edmund Becquerel observed that electrical currents arose from certain light induced chemical reactions. A comprehensive understanding of this phenomenon became clear when the science of quantum theory was unveiled in the early parts of the 20th century. Most solar cells and panels available today in the market are silicon based made of single junction technology. The disadvantage with single junction technology is that the p-n junction is made of a single type of solar cell material which absorbs a fraction of light wavelengths from the spectrum of light. The disability of the single p-n junction to convert all the light energy to electricity accounts for the low efficiency for the solar cells. One way to go around the problem of efficiency is to use multi-junction solar cells. Multijunction solar cells are designed to absorb a large fraction of the light spectrum and convert them to electrical energy. They are made of multiple p-n junctions made of different solar cell materials which absorb different parts of light spectrum and convert them to electrical energy. In this thesis, a design of a multi-junction solar cell for developing space solar panel is presented. The multi-junction cell has been designed from simulation results of different solar cell materials simulated with space conditions. Ideas and recommendations for future work are also presented.

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Merritt, Ervin A. "Link budget design software for satellite communications". Master's thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-01262010-020138/.

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Allnutt, Richard Mallory. "Small scale antenna diversity as a means of reducing the effects of multipath fading for handheld satellite communications systems". Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-10202005-102841/.

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Libri sul tema "Artificial satellites in telecommunication"

Gagliardi, Robert M. Satellite communications. New York: Van Nostrand Reinhold, 1985.

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Martin, Donald H. Communication satellites. 4^a ed. El Segundo, Calif: Aerospace Press, 2001.

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N, Pelton Joseph, Howkins John 1945- e Greco Janet, a cura di. Satellites international. [London]: Macmillan, 1987.

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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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1940-, Bostian Charles W., a cura di. Satellite communications. New York, USA: Wiley, 1986.

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W, Bostian Charles, a cura di. Satellite communications. New York: Wiley, 1986.

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W, Bostian Charles, e Allnutt J. E, a cura di. Satellite communications. 2^a ed. [New York, NY: Wiley, 2003.

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Gordon, Gary D. Principles of communications satellites. New York: Wiley, 1993.

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Bates, Regis J. Low Earth orbit satellites (LEOs). New York: McGraw-Hill, 2000.

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Agency, European Space, Galileo Joint Undertaking e European Commission. Directorate-General for Energy and Transport. Unit E.4 Satellite Navigation System (Galileo), Intelligent Transport, a cura di. Galileo: The European programme for global navigation services. Noordwijk, Netherlands: ESA Publications Division, 2002.

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Capitoli di libri sul tema "Artificial satellites in telecommunication"

Butler, Richard. "The International Telecommunication Union and Space Communications". In Satellites International, 33–37. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-08103-5_7.

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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 e 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, e 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 e 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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Radosavljević, Dušan, Lazar Jeftić, L. V. Muralikrishna Reddy, K. Gopalakrishnan e S. Mohankumar. "Era of Small Satellites: Pico, Nano and Micro-satellites (PNM Sat)—an Over View of Frugal Way to Access Low Earth Orbit". In Micro-Electronics and Telecommunication Engineering, 367–88. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4687-1_35.

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Spaelti, Susan B., Thomas M. Liebling e Michel R. Giroux. "Placement of Telecommunication Satellites in the Geostationary Orbit". In Operations Research Proceedings, 189–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74862-2_53.

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Atti di convegni sul tema "Artificial satellites in telecommunication"

Efimov, A. G., V. F. Panin e V. O. Los. "Universal radio apparatus of the point of receiving the information of distant zoning of earth from artificial earth satellites". In 2005 15th International Crimean Conference Microwave and Telecommunication Technology. IEEE, 2005. http://dx.doi.org/10.1109/crmico.2005.1565210.

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Efimov, A. G., V. F. Panin e V. O. Los. "Equipment for data reception from artificial satellite "Meteor-3M"". In 2003 13th International Crimean Conference 'Microwave and Telecommunication Technology' Conference Proceedings. IEEE, 2003. http://dx.doi.org/10.1109/crmico.2003.159005.

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Marinkovic, Z., G. Crupi, Dominique M. M. P. Schreurs, A. Caddemi e V. Markovic. "Artificial neural network based modeling of FinFET forward transmission coefficient". In TELSIKS 2011 - 2011 10th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services. IEEE, 2011. http://dx.doi.org/10.1109/telsks.2011.6112042.

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Agatonovic, Marija, Emidio Di Giampaolo, Piero Tognolatti e Bratislav Milovanovic. "Artificial Neural Networks for ranging of passive UHF RFID tags". In TELSIKS 2013 - 2013 11th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services. IEEE, 2013. http://dx.doi.org/10.1109/telsks.2013.6704428.

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Marinkovic, Zlatica, Giovanni Crupi, Dominique M. M. P. Schreurs, Alina Caddemi e Vera Markovic. "Artificial neural network modeling for transistors and varactors in FinFET technology". In TELSIKS 2013 - 2013 11th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services. IEEE, 2013. http://dx.doi.org/10.1109/telsks.2013.6704917.

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Korolev, P. S. "Development of the Methodology for Assessing the “Production Quality Factor” for the Failure Rate Model of Artificial Earth Satellites Electronic Means". In 2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO). IEEE, 2020. http://dx.doi.org/10.1109/synchroinfo49631.2020.9166030.

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Pachankis, Yang. "Mass Surveillance, Behavioural Control, And Psychological Coercion the Moral Ethical Risks in Commercial Devices". In 12th International Conference on Computer Science and Information Technology (CCSIT 2022). Academy and Industry Research Collaboration Center (AIRCC), 2022. http://dx.doi.org/10.5121/csit.2022.121313.

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The research observed, in parallel and comparatively, a surveillance state’s use of communication & cyber networks with satellite applications for power political & realpolitik purposes, in contrast to the outer space security & legit scientific purpose driven cybernetics. The research adopted a psychoanalytic & psychosocial method of observation in the organizational behaviors of the surveillance state, and a theoretical physics, astrochemical, & cosmological feedback method in the contrast group of cybernetics. Military sociology and multilateral movements were adopted in the diagnostic studies & research on cybersecurity, and cross-channeling in communications were detected during the research. The paper addresses several key points of technicalities in security & privacy breach, from personal devices to ontological networks and satellite applications - notably telecommunication service providers & carriers with differentiated spectrum. The paper discusses key moral ethical risks posed in the mal-adaptations in commercial devices that can corrupt democracy in subtle ways but in a mass scale. The research adopted an analytical linguistics approach with linguistic history in unjailing from the artificial intelligence empowered pancomputationalism approach of the heterogenous dictatorial semantic network, and the astronomical & cosmological research in information theory implies that noncomputable processes are the only defense strategy for the new technology-driven pancomputationalism developments.`

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Zuknik, Karl-Heinz, Mathias Müller, Thomas Ernst, Arnd Reutlinger, Markus Glier, Lars Hoffmann, Stephan Rapp, Charles Kurvin, Iain McKenzie e Nikos Karafolas. "Fiber optic sensing for telecommunication satellites". In International Conference on Space Optics 2008, a cura di Josiane Costeraste, Errico Armandillo e Nikos Karafolas. SPIE, 2017. http://dx.doi.org/10.1117/12.2308215.

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Vanneuville, J., H. Manhaeve e D. Gevaert. "Serial data interface for telecommunication satellites". In Euro ASIC '91. IEEE Comput. Soc. Press, 1991. http://dx.doi.org/10.1109/euasic.1991.212859.

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Tian, Shiwei, Guangxia Li, Jiang Chang e Zhiqiang Li. "COMPASS Augmentation Using LEO Telecommunication Satellites". In 2010 International Conference on Communications and Intelligence Information Security (ICCIIS). IEEE, 2010. http://dx.doi.org/10.1109/icciis.2010.20.

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Rapporti di organizzazioni sul tema "Artificial satellites in telecommunication"

Khan, Samir. Redefining Space Commerce: The Move Toward Servitization. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, gennaio 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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Hwang, Tim, e Emily Weinstein. Decoupling in Strategic Technologies: From Satellites to Artificial Intelligence. Center for Security and Emerging Technology, luglio 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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Eberle, Caitlyn, e Zita Sebesvari. Technical Report: Space debris. United Nations University - Institute for Environment and Human Security (UNU-EHS), ottobre 2023. http://dx.doi.org/10.53324/yiku7602.

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At present, there are approximately 8,300 satellites actively orbiting the Earth, gathering and distributing vital data for space science, Earth observation, meteorology, disaster early warning systems, telecommunication, and navigation. Satellites make our lives safer, more convenient and connected, and represent critical infrastructure that is now essential for a functioning society. However, as the number of satellites increases, so does the problem of space debris, posing a threat to both functioning satellites and the future of our orbit. This technical background report for the 2023 edition of the Interconnected Disaster Risks report analyses the root causes, drivers, impacts and potential solutions for the space debris risk tipping point our world is facing through an analysis of academic literature, media articles and expert interviews.

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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, giugno 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 e Robert H. Beach III. The View From Above: Satellites Inform Decision-Making for Food Security. RTI Press, agosto 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, e Andrew Lohn. Onboard AI: Constraints and Limitations. Center for Security and Emerging Technology, agosto 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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BACCELLI, François, Sébastien CANDEL, Guy PERRIN e Jean-Loup PUGET. Large Satellite Constellations: Challenges and Impact. Académie des sciences, marzo 2024. http://dx.doi.org/10.62686/3.

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The New Space Age (NewSpace) marks the advent of a new era in the use of space, characterized by the opening of space to new players, the use of new space technologies, new functionalities for satellites in orbit, and the development of satellite constellations, mainly in the fields of communications and Earth observation. These developments are underpinned by first-rate scientific and technological advances, as well as considerable public and private investment, in particular in the USA, China and, to a lesser extent, Europe. Fleets of small low- and medium-orbit satellites are replacing or complementing the large geostationary satellites that predominated in the previous period. Whereas space used to be reserved to a small number of states and major industrial groups, one is now witnessing the emergence of new space states, new industrial groups such as SpaceX or Amazon, and many start-ups. One also observes the emergence of companies with launching and satellite manufacturing capacities, which are also taking on the role of telecommunication operators and content producers. The most visible result of the deployment of these new space networks is the ability to provide high-speed, low-latency Internet connections to any point on the globe. Combined with Earth observation capabilities, these new communications resources also enable real-time action to be taken in any region, including those with no equipment other than terminals. In addition, these space networks are remarkably resilient compared with terrestrial networks. Geostrategic and military considerations combine with rapidly evolving business models to explain the massive investments currently being made in this domain. However, the lack of international regulation in the field is leading to a race to occupy orbits and frequencies, which has already had serious consequences for a whole range of scientific activities. These constellations have a potentially negative impact on astronomy in the visible and infrared optical domains, as well as on radio astronomy. They also raise a major problem in terms of space congestion, with an increase in the amounts of satellite debris resulting from launches or collisions between satellites, and the possibility of reaching a phase of chain reaction collisions. In addition, from an environmental point of view, the consequences of the proliferation of launches and uncontrolled re-entries into the atmosphere are equally worrying. What’s more, the lack of regulation in the field also leads to a loss of sovereignty, since these new satellite communication networks do not comply with any of the rules that states impose on terrestrial communication networks operating on their territories. A sustainable, global solution must be found to these problems, before major and potentially irreversible damage is inflicted on the planet’s environment, geostrategic balances, democracy, and science. While the Acad´emie des Sciences considers that France and Europe need to step up their scientific and industrial actions in this field in order to benefit from the remarkable advances of these new networks, and ultimately leverage the benefits of a resilient and secure communications network, the Acad´emie also recommends working in parallel to strengthen regulation of the field with the aim of assuring sustainable access to orbital and frequency resources, as well as protection for negatively impacted fields, foremost among which are astronomy and the environment.

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