Relevant bibliographies by topics / Laying of an optical cables cables

Contents

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

Academic literature on the topic 'Laying of an optical cables cables'

Author: Grafiati
Published: 28 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Laying of an optical cables cables"

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Andreev, V. A., A. V. Bourdine, and V. A. Burdin. "Comprehensive solution for onboard fiber-optic information networks." Radio industry (Russia) 30, no. 4 (2020): 8–13. http://dx.doi.org/10.21778/2413-9599-2020-30-4-8-13.

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Problem statement. In recent years, the problem of replacing copper-core fiber-optic cables has become particularly relevant. This is due to two factors: first, the prospect of introducing unmanned vehicles and the development of electromagnetic microwave weapons that can disable electronic equipment for almost any target at a distance of 10 km or more, and second, the growing need to reduce the delay of transmitted signals on the network and increase the volume of information transmitted in these networks. The article describes the construction of onboard cable networks using fiberoptic cables. The advantages and disadvantages of fiber-optic based onboard networks are described.Objective. Development of solutions for the use of fiber-optic communication cables in onboard information networks that provide high technology for laying optical cables, the required speed of information transmission, ease of operation and modernization of information networks.Results. A comprehensive solution for building onboard information networks based on fiber-optic cables having an increased core diameter and an optimized refractive index profile in pipelines using pneumatic laying technology is proposed.Practical implications. The proposed integrated solution for onboard fiber-optic information networks, including a method for onboard laying optical cables, the use of specially developed optical fiber with an increased core diameter and reduced differential modal delay, and the development of modular telecommunications equipment, allows meeting the requirements for onboard networks to ensure reliability and safety, economic efficiency, reduce labor intensity, and ease of maintenance, components dismantling and replacement.
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Cheng, Hai Qing, Ping Qian, Meng Chu Wu, and Jin Sheng Liu. "Information Management System of Smart Substation Electrical/Optical Cables Based on RFID Technology." Applied Mechanics and Materials 568-570 (June 2014): 1850–55. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.1850.

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A kind new type of information management system of smart substation electrical /optical cables (hereinafter referred to as: cables) based on radio frequency identification (RFID) technology is proposed, because the current information management efficiency of substation cables is low and the error rate is high. The paper analyses and optimizes the composition and realization way of the information management system in the design, construction and inspection three aspects, to implement software read CAD drawings, software generates and optimizes the arrangement of cables and path planning. Engineering practice shows that the system has shortened statistical work, reduce the dosage of cables, reduce construction errors, and can offer intelligent, automation and dynamic management of the cables laying and acceptance in the substation construction and expansion.
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Ogasawara, Yukitoshi, and Wataru Natsu. "A Cost-Effective Approach to the Risk Reduction of Cable Fault Triggered by Laying Repeaters of Fiber-Optic Submarine Cable Systems in Deep-Sea." Journal of Marine Science and Engineering 9, no. 9 (2021): 939. http://dx.doi.org/10.3390/jmse9090939.

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Long-distance submarine cable systems, such as the transoceanic system, generally consist of a series of cables and repeaters. Repeater units are spaced at regular intervals to boost the attenuated optical signal and presently contain optical amplifiers in a pressure vessel made of copper alloy. Since the repeater unit is more massive than the cable, it pulls the cable catenary locally toward the seabed. In the 1990s, several studies numerically simulated cable behavior in the water and showed that the seabed slack runs short, and the seabed cable tension increases just before the repeater reaches the seabed. Therefore, it has been pointed out that an unarmored cable with a polyethylene sheath can be easily damaged. However, no reports have been published regarding the actual situation of cable faults related to the laying of repeaters. This study quantitatively analyzes the mechanism of cable damage related to the laying of repeaters, based on experiments, simulations, maintenance records, and a comparative analysis between the simulation results and actual cable faults. Cost-effective methods to mitigate cable faults triggered by laying a repeater in the deep sea are also explored to ensure mechanical stability during the design lifetime.
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Jurdana, Irena, Biserka Rukavina, and Sandra Tominac Coslovich. "Legal regime regulating the laying and protection of submarine cables in the Republic of Croatia." Pomorstvo 35, no. 1 (2021): 118–27. http://dx.doi.org/10.31217/p.35.1.13.

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One of the strategic development priorities of the Republic of Croatia is the development and construction of a modern telecommunications network and the availability of high-speed Internet throughout its territory, especially in rural areas and on islands. To enable this, it is important to build a reliable and resilient communication infrastructure. With the cooperation of all stakeholders in the construction, from telecom operators to local and state administrations responsible for the maritime demesne, and with efficient legislation, it is possible to achieve sustainable development of submarine cable infrastructure. The paper provides an overview of the legal aspects of submarine optical cable infrastructure design and application at the national and international levels. Special attention is dedicated to the analysis of a national legal regime regulating the protection and sustainable use of submarine cables. Thus, the authors will provide critical analysis of a kind of dualism present in the application of the Ordinance on the Register of Concessions and the Ordinance on the Register of Concessions on the Maritime Demesne and offer suggestions for potential improvements of a national legal framework pertaining to the right of laying and legally protecting submarine cables.
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Kojima, Junichi. "Three Dimensional Dynamic Analysis for Laying and Recovery of Optical Submarine Cables." Journal of the Society of Naval Architects of Japan 1990, no. 168 (1990): 309–18. http://dx.doi.org/10.2534/jjasnaoe1968.1990.168_309.

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Huang, Lifan, Bin Luo, Mingmin Ding, Chunshui Zhang, and Yangjie Ruan. "A Cumulative Expansion Force-Finding Method for Suspension-Cable Truss Composite Structure." Advances in Civil Engineering 2020 (December 28, 2020): 1–13. http://dx.doi.org/10.1155/2020/8828658.

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Suspension-cable truss composite structure is a new type of cable-strut structure which combines the conventional cable structure with the rigid truss. By laying rigid roofing slabs, this composite structure offsets most effect of the wind suction, reduces the axial force of the stable cables, and reduces the large vertical displacement effectively when compared with conventional cable trusses. For this new structure, the deformation relevance between adjacent substructures results in a nonindependent and stable union. To effectively and precisely find the cable forces of a suspension-cable truss composite structure for the construction completion state, a proper optimization order and a suitable selection of the substructures are necessary. In this paper, the structural mechanical characteristics of the suspension-cable truss composite structure are introduced at first, to reveal the force transmission path between adjacent substructures. Secondly, the cumulative expansion force-finding method (CEFM) is proposed to obtain the optimal mode of the cable force distribution with a suitable operational efficiency. A numerical example is introduced and analyzed to verify the accuracy and feasibility of this method afterwards. The results show that CEFM could find out the optimal cable force distribution of the suspension-cable truss composite structure, with a geometry shape of whole structure and a rational stress level of all the components.
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Wang, Zengfu, Qing Wang, Moshe Zukerman, and Bill Moran. "A Seismic Resistant Design Algorithm for Laying and Shielding of Optical Fiber Cables." Journal of Lightwave Technology 35, no. 14 (2017): 3060–74. http://dx.doi.org/10.1109/jlt.2017.2711658.

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Nakazawa, Masataka. "Proposal of multifunctional coherent Nyquist pulse and ultra-high-speed and high-efficiency optical transmission technology." Impact 2020, no. 2 (2020): 18–20. http://dx.doi.org/10.21820/23987073.2020.2.18.

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A cornerstone of technological advancement in the last century has been the development of ever faster and higher capacity telecommunications. Being able to transmit large amounts of information, at a good rate over long distances is essential for running many of the services, business and industries that we all rely upon. The development of large national and international telecommunication networks underpins the internet and, with it, the World Wide Web. All this powers a huge range of diverse activities as security services, the entertainment industry, national health services and distribution. As more and more people are connected to this network and more and more information is transmitted between these people, the capacity of the network must increase. This can broadly be split into two categories: access – the laying of cables and construction of mobile towers, technology – the creation of improved data transmitting methods that can transmit more data, at a faster rate, further away. The former is a question of private enterprise and public policy, the latter is the domain of engineers and physicists. Professor Masataka Nakazawa, who is based at the Research Institute of Electrical Communication, Tohoku University in Japan, is a world-leading expert in optical telecommunications. Nakazawa and his team have a mission to create new methods through which data can be transmitted using optical networks, recently they have consistently broken records for speed, capacity and efficiency in their cutting-edge optical communication technologies.
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Desouky, S. S., A. Z. El-Dein, R. A. Abd El-Aal, and N. A. A. El-Rahman. "A New Contribution in Reducing Electric Field Distribution Within/Around Medium Voltage Underground Cable Terminations." Engineering, Technology & Applied Science Research 7, no. 5 (2017): 1962–66. http://dx.doi.org/10.48084/etasr.1357.

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Ιn medium voltage cables, the stress control layers play an important part in controlling the electric field distribution around the medium voltage underground cable terminations. Underground cable accessories, used in medium voltage cable systems, need a stress control tube in order to maintain and control the insulation level which is designed for long life times. The term “electrical stress control” refers to the cable termination analysis of optimizing the electrical stress in the area of insulation shield cutback to reduce the electrical field concentration at this point in order to reduce breakdown in the cable insulation. This paper presents the effect of some materials of different relative permittivities and geometrical regulation with the curved shape stress relief cones on the electric field distribution of cable termination. The optimization was done by comparing the results of eight materials used. Also, the effect of the change in the thickness of the stress control tube is presented. The modeling design is very important for engineers to find the optimal solution of terminator design of medium voltage cables. This paper also describes the evolution of stress control systems and their benefits. A developed program using Finite Element Method (FEM) has calculated a numerical study to the stress control layering electric field distribution.
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Choi, Jin-Kyu, Shuhei Nishida, Takashi Yokobiki, and Katsuyoshi Kawaguchi. "Automated Cable-Laying System for Thin Optical-Fiber Submarine Cable Installation." IEEE Journal of Oceanic Engineering 40, no. 4 (2015): 981–92. http://dx.doi.org/10.1109/joe.2014.2363785.

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Dissertations / Theses on the topic "Laying of an optical cables cables"

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Kubica, Matěj. "Optický polygon." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442372.

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Diploma thesis focuses on a problematics of an optical networks in terms of an optical cables laying and a work with individual fibers. Thesis contains an basic physical properties which are used in a fiber optics. Methodology of correct working procedures used in fiber optics is discussed at the same time. Thesis also contains detailed documentation of realized optical connections including scheme of realized outdoor connection. 3D design of an rack case is also part of the thesis. Rack case provides an option to simulate plenty of different lengths of optical routes. Rack case is designed in 6U variant.
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Chiao, Louisa. "The evolution and adoption of optical interconnect cables." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/69785.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 112-115).<br>Optical technologies are now ubiquitous in data communication, telecommunication, and computing networks for transmission distances beyond a few meters. The use of optical to transmit voice communication has changed the nature of the industry and been driving photonic component innovation for the past 30 years. Never before has the world demanded more data to run its collective everyday lives. Technological lifecycles have shortened and to keep pace with the rapidly increasing quantities and demands of data needs, firms are placing a stronger emphasis on the development of new technologies to replace old ones. The use of electrical interconnects has been the workhorse for data transmission for over a century and a new technology is poised to succeed it. Due to the limitation of current transmission medium, an adoption of new technology is inevitable and the question is when and what are the drivers? In this thesis, an analysis will be conducted to examine the adoption of optical interconnect cables in different lengths using different costs of new technology. These results will be used to understand how each driver affects the overall adoption of optical interconnect cables, the limitation of adoption, and a potential timeline of adoption for each length examined.<br>by Louisa Chiao.<br>M.Eng.
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Kennedy, Christopher. "Properties of High Energy Laser Light Transmission through Large Core Optical Cables." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5797.

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Laser induced damage is of interest in studying the transmission of large amounts of optical energy through step-index, large core multimode fibers. Optical fibers often have to be routed around objects when laser light is being transmitted between two locations which require the fiber to bend into a curve. Depending on how tight the bend is, this can result in transmission losses or even catastrophic damage when the energy density of the laser pulse exceeds the damage threshold of silica glass. Waveguide theory predicts that light traveling through a bend will form whispering-gallery modes that propagate through total internal reflection bounces along the inside of the outer edge of the bend. This is critical since in these locations the energy density of the light will increase significantly, raising the potential of laser damage, nonlinear effects, and transmission losses. This loss is especially problematic when two 90[degree] bends going in opposite directions are in close proximity to each other, forming an 'S-bend'. Light that is grouped along the outer edge going through the first bend will enter the second bend at a sharper angle which causes much high transmission losses and raises the possibility of failure. Models using R-Soft BeamProp and Zemax were developed to study transmission losses, investigate light interactions at critical areas, and predict under which conditions laser damage would occur. BeamProp presents a clearer view of the modal distribution of light within the core of the fiber and is used to analyze how a plane wave with a Gaussian intensity distribution excites the fiber modes. Zemax provides a tool to perform non-sequential ray tracing through the fiber cable and stray light analysis within the core and once the light exits the fiber. Intensity distributions of the cross sectional area of the fiber shows the whispering gallery modes forming as the light propagates around bends and disburses as it propagates afterwards. It was discovered using R-Soft that if the separation distance between bends in an S-bend is approximately 3 mm there exists a condition where maximum transmission occurs. For 365 μm diameter core fiber it was calculated that the difference in output power could be as high as 150%. This was initially completely unexpected; however ray tracing using Zemax was able to verify that this distance allows the light to transition so that it enters the 2nd bend at the optimal angle to enter the whispering gallery mode. Experiments were performed that validated the models' predictions and images were captured clearly showing the spatial distribution shift of the light within the core of the fiber. Experiments were performed to verify light grouping together to form whispering gallery modes as predicted by Zemax. Microscope images were taken as a function of distance from various bends to observe the periodic nature in which the laser light fills up the fiber. Additionally, a configuration was setup to examine stimulated Brillioun scattering and determine the onset of laser damage in the fiber. Fibers were tested as a function of bend radius and number of shots and recommendations for future systems were made. Lastly, mechanical failure tests were performed to determine the relationship between stress placed on the fiber through bending and fiber lifetime in a static environment. This allowed a minimum safe bend radius to be calculated for a 30 year lifetime that agreed with previous calculated values.<br>M.S.<br>Masters<br>Optics and Photonics<br>Optics and Photonics<br>Optics
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Russell, Stuart John. "Optical sensors for the location of buried optical cables and disturbances acting on extended lengths of optical fibre." Thesis, University of Southampton, 2000. https://eprints.soton.ac.uk/50195/.

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The work presented in this thesis, investigating two novel optical fibre sensor systems, was carried out as part of industrially sponsored (Radiodetection Ltd) and supported applied research project. The first sensor determines the longitudinal position of acoustic disturbances acting on an extended length of optical fibre cable and the second system locates the lateral position of a buried dielectrically-sheathed fibre cable. The second system is believed to be the first optically-based sensor for the location of buried fibre optic cables. An RF electromagnetic field, emitted from above the cable, radiates through the ground and modulates the polarisation state of the light guided by the optical fibre, via the Faraday effect. The lateral position of the buried cable can then be inferred by observing the peak in the amplitude of modulation as the locator is traversed across the buried position of the fibre allowing, for the first time, dielectrically-sheathed optical cables to be located non-intrusively.
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Piccolo, Arianna. "Tunnel structural health monitoring in radioactive environment based on special distributed optical fibre strain sensing cables." Thesis, Nantes, 2020. http://www.theses.fr/2020NANT4063.

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Dans le cadre du projet Cigéo, stockage géologique des déchets radioactifs à vie longue, la surveillance des infrastructures contribuera à confirmer la récupérabilité des déchets, prévue sur des durées pluridécennales. Les structures sont apparentés à des tunnels horizontaux, sous 500 m de couverture. Leur convergence (réduction progressive de leur section) doit être mesurée par des systèmes peu intrusifs, sensibles, compatibles avec un environnement sévère. Une méthode inverse, utilisant un modèle par éléments finis, a été développée pour déterminer la convergence à partir de mesures réparties de déformations acquises par rétrodiffusion Rayleigh et Brillouin dans des câbles à fibre optique. Elle a été validée sur un démonstrateur d’alvéole, au laboratoire en surface et en souterrain. Sur une échelle de 10 mm représentative de l’application, la convergence est déterminée à 1 mm près par les fibres optiques, proche des capteurs de référence. La sensibilité à la mise en œuvre, au chargement, au bruit de mesure, a été étudiée. La tenue des fibres optiques à l’impact couplé des radiations et de la température a été étudiée pour des fibres optique en revêtement primaire: une dose totale de 1 MGy dégrade moins la mesure de déformation à 100 °C qu’à température ambiante. La fibre optique la plus résistance a été placée dans un câble de mesure de déformations, soumis à des radiations gamma et des sollicitations thermiques. Les coefficients de sensibilité thermique et mécanique des rétrodiffusions Brillouin et Rayleigh restent stables après 500 kGy, ainsi que ses caractéristiques mécaniques du câble. L’étude a aussi permis de quantifier les processus de plasticité, jusqu’à 10000 με<br>In the framework of Cigéo, the future underground repository for long-lived radioactive waste, the monitoring of the structures must be guaranteed for almost a century to ensure its reversibilit. The horizontal repository cells will be loaded by 500 m of rock which will reduce their section over time. This reduction, called convergence, must be monitored by sensors with resistance to harsh environment, low intrusiveness, proper sensitivity. We propose the use of distributed optical fiber strain sensing cables, whose strain measurements are used to calculate convergence via an inverse-analysis finite-element method, using Brillouin and Rayleigh backscatterings. The method is described, assessing the influence of structural parameters and measurements noise on its sensitivity. We validate it in a laboratory test, in controlled conditions and underground, reproducing convergences up to the representative value of 10 mm on a mock-up of the high-level waste repository cell. We compare two fixation methods and loading schemes, using other sensors as reference. Results show how distributed optical fiber sensors can achieve the required 1 mm of resolution, close to standard methods. The fibers have been firstly analysed under the coupled effect of temperature and radiation up to a total γ-rays dose of 1 MGy. Temperatures around 100°C preserve the fiber functioning better than being at room temperature. A specific cable for strain sensing, with a radiation resistant fiber inside, is then developed and tested, reporting that temperature and strain sensitivities and the mechanical behaviour remain stable up to 500 kGy. We evaluate also the role of the protective layers of the tested cable and its plastic behaviour up to 10000 με
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Lang, Ian Dewi. "The degradation of all-dielectric self supporting cables installed in high potential electro-magnetic fields : a theoretical and practical evaluation of optical fibre cables strung independently on overhead power transmission lines." Thesis, University of South Wales, 2001. https://pure.southwales.ac.uk/en/studentthesis/the-degradation-of-alldielectric-self-supporting-cables-installed-in-high-potential-electromagnetic-fields(5a7dee38-9f9b-40f8-8259-2e3d5386e292).html.

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The operational life of all-dielectric self supporting (ADSS) optical fibre cables installed on high voltage over-head power transmission lines is limited by sheath degradation caused by induced electrical activity on the cable's surface. The work presented in this thesis describes research completed to quantify this degradation. This has resulted in a novel analysis method being developed and used to associate product testing with field trial results. The analysis is based on evaluating the magnitude of recorded electrical activity and fitting an appropriate distribution to the data to describe relative electrical arcing power. This innovation was possible due to the completion of a comprehensive review of the theories dealing with the generation of the electrical activity, followed by a detailed analysis. Where appropriate, worked examples are given in the thesis to demonstrate these theories. As a result of this work three proposals have been made to simplify future analyses. They are: approximating the relevant variables to span related polynomial functions, relating capacitive coupling to the space potential, and the superposition of assumed functions. The work is supported by results presented of extensive practical testing and simulations carried out by the author. These include analyses of the resulting cable damage, some of which has not been discriminated between in previous work. The completed analysis of tested products has also identified, previously not quantified, degradation accelerants. The work classifies these accelerants into extrinsic installation and intrinsic product factors. The thesis presents and reviews the implication of the electrical degradation resistance of sheaths applied to slotted-core and advance multi-loose tube (MLT) optical fibre cable designs. This has lead to the evaluation of three generations of sheath technology, which varied from low smoke compound technology, through to bimodal polyethylene. The work also identifies specific methods to limit risk to products. They include the use of pre-blended materials and the need to assure both sheath surface finish quality and cable longitudinal water blocking. Finally, the thesis summarises the development of new and previously investigated proposed degradation mitigation systems. Selected possible solutions were then evaluated using tests and analysis methods developed by the author, and compared with those of other notable works. This has resulted in the filing of two patents. As a result of this research a solution has been trialed and proposed to the collaborating company. This will allow optical fibre cable to be installed in high potential fields for the prescribed lifetime, overcoming previous limitations.
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Ng, Cheuk-kin Jacky, and 伍焯健. "A review of mitigation methods to reduce the impact on the marine environment by underwater works: a case studyof submersible cable laying." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31255954.

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Ee, Chai Chuan. "The feasibility study of implementing a fiber optic local area network in software metrics laboratory in Ingersoll 158." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FEe.pdf.

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Thesis (M.S. in Information Technology Management)--Naval Postgraduate School, March 2004.<br>Thesis advisor(s): Norman F. Schneidewind. Includes bibliographical references (p. 51). Also available online.
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Hejtmánek, Ondřej. "Projekt datového centra - strukturovaná kabeláž." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219768.

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This master’s thesis is concerned with analysis of cabling and cabling systems in data center and with their projection as follows. The part of the work is aimed at the measurement parameters of metal cables which are used in data center with noise. The first part is focused on analyzing the structure of the data center and cabling used in it. The structure of the data center is based on the TIA-942 and consists of an entrance room, main distribution area MDA, horizontal distribution area HDA , zone distribution area ZDA and the equipment distribution area EDA. Divided into backbone cabling and horizontal cabling and use standard and pre-terminated cabling. The measurement results of structured metal cabling with noise are discussed in the next part. There were used these types of cables UTP, FTP and S/FTP. The measurement was performed in the electricity substation and in the laboratory of electromagnetic compatibility. The third part of this work deals with the actual design of structured cabling for the data center. In the first design we use the standard installation, the second preterminated cabling. For both types of installation cost statement is processed (CAPEX). Thesis is also completed with DC design drawings and rack drawings.
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Otčenášek, Martin. "Distribuované řídící systémy a jejich využití v praxi." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217601.

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In control technique there is evident highly expressive trend of shifting from efficient central managing systems towards smaller systems which are distributed on technology and which are connected by communication bus. There is no need to link all signals to central management system, operation is then distributed and realized directly in individual parts of technology. That’s why these systems are called distributive managing systems. Distributive managing systems are widely used not only in industrial applications but also in buildings, cars, etc..
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Books on the topic "Laying of an optical cables cables"

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Cables, Standard Telephones and. Submarine optical fibre cables. STC Submarine Systems, 1986.

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Handbook of optical fibers and cables. 2nd ed. M. Dekker, 1996.

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Handbook of optical fibers and cables. Marcel Dekker, 1988.

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Murata, Hiroshi. Handbook of optical fibers and cables. 2nd ed. M. Dekker, 1996.

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Fibre optic cabling: Theory, design, and installation practice. Newnes, 1993.

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Gilmore, Mike. Fibre optic cabling: Theory, design, and installation practice. Newnes, 1991.

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Weinert, Andreas. Plastic optical fibers: Principles, components, installation. Publicis MCD Verlag, 1999.

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Wei, Chunyang. Mechanical properties of GRP strength members and dynamic behaviour of optical cables. University of Birmingham, 1999.

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Ballantyne, Robert Michael. The battery and the boiler, or, Adventures in the laying of submarine electic cables. Fraser & Porter, 1994.

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Africa Centre for Open Governance. Unlimited bandwidth?: Governance & submarine fiber-optic cable initiatives in Kenya. AfriCOG, 2010.

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Book chapters on the topic "Laying of an optical cables cables"

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Starr, Trevor F. "Optical Fibres & Cables." In Glass-Fibre Databook. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1492-9_3.

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Sasaki, Takashi, Takemi Hasegawa, and Hiroki Ishikawa. "Optical Fiber and Cables." In Springer Handbook of Optical Networks. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-16250-4_2.

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Griffioen, Willem. "Cables and Outside Plant (WG1.2)." In Reliability of Optical Fibres and Components. Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0545-9_8.

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Raha, Utpal Kumar, and Raju K. D. "Challenges to the Laying and Protection of Submarine Cable in Selected Jurisdictions—A Legal and Comparative Analysis." In Submarine Cables Protection and Regulations. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3436-9_3.

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Vuohelainen, R., P. Raatikainen, J. Hietanen, M. Oksanen, and M. Luukkala. "Optical Profiling of Diffusively Reflective Polyethylene Rods Used in Fiber Cables." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1987-4_173.

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Liu, Guizhi. "Study of the Method Laying Fiber Optic Cable in the Same Trench with Pipeline in Permafrost Region." In Proceedings of the International Petroleum and Petrochemical Technology Conference 2018. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2173-3_14.

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Raisinghani, Mahesh S., and Hassan Ghanem. "A Managerial Analysis of Fiber Optic Communications." In Encyclopedia of Multimedia Technology and Networking, Second Edition. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-014-1.ch118.

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A form of fiber-optic communication delivery in which an optical fiber is run directly onto the customers’ premises is called Fiber to the Premises (FTTP). This contrasts with other fiber-optic communication delivery strategies such as Fiber to the Node (FTTN), Fiber to the Curb (FTTC), or Hybrid Fiber-Coaxial (HFC), all of which depend upon more traditional methods such as copper wires or coaxial cable for “last mile” delivery (Fiber to the Premises, 2007). While high-speed fiber-optic cables are more often used to provide the primary links, the “last mile” to each home still plays an important role in the quality of service and bringing high-speed broadband to an area that is largely dependent on this last-mile connection. FTTP involves laying optical fiber from a central location (switch) to a termination point (the home or business), and could potentially deliver broadband at speeds of up to 100Mbps. The actual speed is determined by the size of the Passive Optical Network (PON). The technology is capable of transmitting data at speeds of up to 2.5Gbps; this amount is divided by the number of termination points on the PON to determine the actual bandwidth to each end point. Replacing copper infrastructures with fiber to every home in an area is an expensive proposition, but the rewards could be great for telecom providers. An FTTP infrastructure would enable those providers to not only provide high-speed broadband; they could also expand into other areas such as cable programming. The Baby Bells have another incentive to roll out FTTP as well; the FCC requires them to share their copper wires with their competitors, but that requirement would not apply to new FTTP infrastructures. This ruling gives providers a major incentive to roll out FTTP, despite the large initial investment that is required. Copper, the predominant connection to the home used today, has inherent limitations both in terms of length from home to switch, and amount of bandwidth that is provided. FTTP also has a great advantage over Digital Subscriber Line (DSL), which provides broadband over existing copper, because DSL infrastructures must have more central relay points due to distance limitations. DSL is limited to only a few thousand feet between the switch and the home; FTTP allows for up to 49.6 miles (80 kilometers) between the home and the central switch. Cable broadband already has a head start, but FTTP offers some advantages, in that cable has a limited upstream bandwidth. FTTP, while still very new, holds great promise. It will enable providers to easily provide customers with a single bundle of services that comprise voice, data, and video. Ultimately, FTTP will deliver higher bandwidth to the home, and a wider range of services at an affordable price. While some FTTP projects focus on replacing existing copper cable, new “greenfield” areas such as new housing developments are likely to see FTTP from the very beginning (WiseGeek, 2007).
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"Chapter 5. The Manufacture and Laying of Submarine Cables." In Submarine Cables. Brill | Nijhoff, 2014. http://dx.doi.org/10.1163/9789004260337_007.

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Galliano, G. "Optical Fiber Cables." In Encyclopedia of Modern Optics. Elsevier, 2005. http://dx.doi.org/10.1016/b978-0-12-809283-5.00655-8.

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"Fibre Optic Cables." In Optical Science and Engineering. CRC Press, 2006. http://dx.doi.org/10.1201/9780849382949.ch22.

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Conference papers on the topic "Laying of an optical cables cables"

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Zukerman, Moshe. "A multi-objective optimization for laying optical fiber cables." In 2016 Progress in Electromagnetic Research Symposium (PIERS). IEEE, 2016. http://dx.doi.org/10.1109/piers.2016.7735772.

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Boev, M. A., Hein Myat Ko, Sui Chunyu, Ye Naing Lin, and Ye Kyaw Min. "Design of Optical Cables Intended for Laying Inside Buildings and Zone Communication." In 2020 Systems of Signals Generating and Processing in the Field of on Board Communications. IEEE, 2020. http://dx.doi.org/10.1109/ieeeconf48371.2020.9078646.

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Tehara, Satoshi, Hisashi Naoi, Hideki Okada, and Makoto Osaku. "Deformation Behavior of Bellows Pipes for Laying Cables Under Ground by Axial Load and Bending Moment." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80622.

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Recently, electricity demand is rising steeply with advance of science. Additionally quantity of cables such as telephone and optical fiber is rising with communications development and increase of residence. These cables are untidily wired in the air with telephone pole. They impair cityscape and disturb pedestrian safety. Therefore improvement of procedures installing cables is requested. In order to solve it, the plan [1] which buries cables protected in pipes under ground is progressing. They are called buried pipes and consist of straight pipe made from stainless steel or plastic. However there is concern that the buried pipe is crushed and broken by the complex load due to earthquake and ground subsidence. Thus, it is necessary to develop the buried pipe with function of flexibly against damage or rupture. We focus attention to U-type bellows pipe with function of flexibly. In this study, we conduct tensile, compressive, bending test and numerical analysis of those tests using finite element method. From result, we investigate for the relationship between mechanical characteristic and deformation behavior. We study application of bellows pipe to buried pipe. In this study, we examined and analyzed deformation behavior when axial load and bending moment were given to specimens. Examinations items are as (1) we measured load, elongation bending radius by using are experimental device which modeled ground subsidence. (2) We obtained deformation behavior by numerical analysis by using constituted equations of solid mechanics. (3) We conducted simulation analysis of models constructed by finite element method. By comparing these three items, the deformation behavior is clarified.
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Rozorinov, Heorhiy, Serhiy Tolyupa, and Aymen Mohamed Fendri. "Reliability and features of optical cable laying." In 2016 13th International Conference on Modern Problems of Radio Engineering. Telecommunications and Computer Science (TCSET). IEEE, 2016. http://dx.doi.org/10.1109/tcset.2016.7452135.

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Liang, Hong, Mi Zhang, Jianmin Peng, Dajian Jian, Le Chang, and Wei Zhou. "Research of Optical Cable Overhead Laying Automation." In 5th International Conference on Civil Engineering and Transportation. Atlantis Press, 2015. http://dx.doi.org/10.2991/iccet-15.2015.343.

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Legros, Francois, J. L. Rochefort, Yannick Roussel, Daniel Brault, Alain Gouronnec, and J. P. Louboutin. "Optical ribbon cables." In Video Communications and Fiber Optic Networks, edited by Vincent J. Tekippe and John P. Varachi, Jr. SPIE, 1993. http://dx.doi.org/10.1117/12.163779.

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Meijer, S., R. A. Jongen, E. Gulski, P. P. Seitz, T. J. W. H. Hermans, and L. Lamballais. "VHF Partial Discharge Detection during After-Laying testing of Power Cables." In 2007 IEEE International Conference on Solid Dielectrics. IEEE, 2007. http://dx.doi.org/10.1109/icsd.2007.4290871.

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Oestreich, Ulrich H. P. "Fiber Optic Submarine Cables." In Optical Fibers and Their Applications V, edited by Ryszard S. Romaniuk and Mieczyslaw Szustakowski. SPIE, 1990. http://dx.doi.org/10.1117/12.952931.

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PECCI, Pascal, Vincent LETELLIER, Olivier GAUTHERON, et al. "Design of Submarine “Open” cables." In Optical Fiber Communication Conference. OSA, 2018. http://dx.doi.org/10.1364/ofc.2018.m1d.4.

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Wysocki, J. A., and G. L. Tangonan. "Fire resistant fiber-optic cables." In Optical Fiber Communication Conference. OSA, 1985. http://dx.doi.org/10.1364/ofc.1985.wl3.

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Reports on the topic "Laying of an optical cables cables"

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NAVAL RESEARCH LAB WASHINGTON DC. Procedure for Measuring Radiation-Induced Attenuation in Optical Fibers and Optical Cables. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada248393.

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