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Dissertations / Theses on the topic 'Fiber optic lines'

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1

Wells, M. Glenn. "Transient temperature distributions in overhead fiber-optic ground wires." Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/16885.

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2

Andre, John W. "Feasibility study of implementing a code division multiple access data link utilizing fiber optic delay lines." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/23899.

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3

Heuler, Ronald R. "Design, implementation and test of an RS-232 compatible bi-directional, full duplex, fiber-optic interface with provision for hardware handshaking on a mimimum number of fiber-optic lines." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/26972.

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4

Копаниця, С. С. "Автоматизована система підвищення надійності роботи ліній електропередач вище 10 кВ". Master's thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/81485.

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5

Detwiler, Thomas Frederick. "Continuous phase modulation for high speed fiber-optic links." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42867.

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Fiber-optic networks are continually evolving to accommodate the ever increasing data rates demanded by modern applications and devices. The current state-of-the art systems are being deployed with 100 Gb/s rates per wavelength while maintaining the 50 GHz channel spacing established for 10 Gb/s dense wavelength division multiplexed (DWDM) systems. Phase modulation formats (in particular quadrature phase shift keying - QPSK) are necessary to meet the spectral efficiency (SE) requirements of the application. The main challenge for phase modulated optical systems is fiber nonlinearities, where c
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6

Roth, Jeffrey Matthew. "Frequency modulated analog fiber optic links using direct detection." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43564.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.<br>Includes bibliographical references (p. 85-88).<br>by Jeffrey Matthew Roth.<br>M.Eng.
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7

Haas, Bryan Michael. "LIinearized optically phase-modulatd fiber optic links for microwave signal transport." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9124.

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Thesis (Ph.D.) -- University of Maryland, College Park, 2009.<br>Thesis research directed by :Dept. of Electrical and Computer Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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8

Shin, Dong-Soo. "High-efficiency optical modulation and detection for analog fiber-optic links /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 2001. http://wwwlib.umi.com/cr/ucsd/fullcit?p3029644.

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9

Li, GuoLiang. "Wide-bandwidth high-efficiency electroabsorption modulators for analog fiber-optic links /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3036944.

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10

Nedoma, Jakub. "Vliv samonosného optického kabelu na mechaniku venkovního vedení VN." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442472.

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This thesis is focused on assessing the impact of retrofitting dielectric All Dielectric Self-Supporting Cable (ADSS) to existing MV overhead line. This type of optical cable is a means of future strengthening of the communication infrastructure of the distribution network. However, its mechanical properties are significantly different from the properties ACSR cable, due to which its installation can be problematic in terms of meeting the requirements of the PNE 33 3301 standard. In practical part, this work deals with the design of the ADSS installation on the existing MV line and the determi
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11

Kanprachar, Surachet. "Modeling and Analysis of the Effects of Impairments in Fiber Optic Links." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/35245.

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In digital communication systems, several types of impairments may be introduced to the signal. These impairments result in degraded system performance; for example, high bit-error-rate or power penalty. For optical communication systems, in this thesis, these impairments are categorized into four types; that is, thermal noise, shot noise, signal-dependent noise, and intersymbol interference (ISI). By using a Gaussian approximation, effects of the first three impairments are analyzed. It is shown that signal-dependent noise introduces an error floor to the system and the bit-error-rate i
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12

Yeung, Bun Endymion. "Comparative studies on microwave fiber optic links used for personal communication systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ29001.pdf.

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13

Matsuo, A. T., and E. L. Law. "SIGNAL TRANSMISSION FROM REMOTE TELEMETRY ANTENNAS USING WIDEBAND ANALOG FIBER OPTIC LINKS." International Foundation for Telemetering, 1991. http://hdl.handle.net/10150/612160.

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International Telemetering Conference Proceedings / November 04-07, 1991 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>This paper will present the results of an investigation of the feasibility of using broadband analog fiber optic technology to send telemetry antenna outputs from remote sites to a central site. The fiber optic hardware consisted of a prototype analog fiber optic transmitter and receiver plus 10 km of single-mode fiber. Laboratory tests were performed to simulate the performance in the real-world. The fiber optic system had a noise figure of 33.5 dB and a third o
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14

Sankaran, Mahadevan. "Transparent Asynchronous Transmitter Receiver Interface (TAXI) communications for fiber optic data links." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-01102009-063748/.

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15

Kelkar, Anish S. "Dynamic range of analog fiber optic links used in microcellular mobile radio applications." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41988.

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The use of analog fiber optic links for microcellular mobile radio comminications has been the focus of considerable research recently. These systems have the advantages relative to coaxial cable of low noise and enormous bandwidth. Analog subcarrier multiplexing techniques are used for transmitting the mobile signals over the fiber. Use of this technology however presents some unique problems due to the nonlinearities of the fiber optics system and the noise introduced by it. In this thesis, we analyse the dynamic range of the fiber links used for these applications. <p>The dynamic range is l
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16

Loi, Kwok-Kwong. "Multiple-quantum-well waveguide modulators at 1.3um wavelength for analog fiber-optic links /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9912848.

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17

Jiang, Hao. "High-power, high-speed p-i-n- photodiodes for analog fiber optic links /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2000. http://wwwlib.umi.com/cr/ucsd/fullcit?p9970665.

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18

Kemme, Shanalyn Adair 1961. "Modal noise in multimode fiber-optic links using vertical cavity surface emitting lasers." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282717.

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A method to predict modal noise in short distance (30 m), high temporal bandwidth (hundreds of MHz) multimode optical links is proposed. In order to accommodate low cost, mechanical alignment, the link medium is modified from single mode fiber (used routinely in telecommunication systems) to multimode fiber. Modal dispersion in multimode fiber calls for a reduction in link length to preserve a relatively high temporal bandwidth. The source is a vertical cavity surface emitting laser (VCSEL), which is well suited for the high packaging density, high temporal bandwidth, and low power dissipation
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19

Bao, Yufei. "Integrated optical tapped-delay-lines : design, analysis and implementation." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/15446.

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20

Gill, Malvinder Singh. "Optically powered electrical resonant circuit incorporating reactive sensors and having fibre optic links." Thesis, Brunel University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363284.

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21

Bibby, Ian Paul. "Theoretical database for the prediction of rime-ice and wet-snow overload on overhead transmission lines." Thesis, University of Hull, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322337.

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22

Blake, George R. "High Speed Digital Fiber-Optic Links for Control, Video and RF Telemetry Data from Remote Locations." International Foundation for Telemetering, 1993. http://hdl.handle.net/10150/608831.

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International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>With the advent of high-speed parallel-to-serial conversion interface standards reaching the 1.6 gigabit per second region, it is now possible to remote entire telemetry tracking systems over long distances without the need to maintain receivers, combiners, computers and antenna control units at the pedestal. In addition, it will soon be possible to digitize the RF signal(s) with high-speed flash-video analog-to-digital converters and transfer the data over t
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23

O'Brien, Daniel Gerard, and n/a. "Broadband matching and distortion performance relating to multiple subcarrier multiplexed photonic systems." University of Canberra. Information Sciences & Engineering, 1992. http://erl.canberra.edu.au./public/adt-AUC20060821.095055.

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This thesis describes the outcome of study to investigate methods of broadband matching to photonic devices such as lasers and high speed detectors. The thesis is divided into two areas of interest relating to the design of broadband fiber optic links. The first area is the application of numerical methods and commensurate line methods to the design of compact equalisers which allow an improved transducer power gain over a wide band. It is shown that physically small equalisers can yield an improvement of 4 dB over a 2 GHz bandwidth. The second area considered is the distortion inherent in a l
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24

Noack, Thomas. "Optimierung der Messverfahren zur Erfassung der Interaktion von Stromabnehmer und Oberleitung." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-209699.

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Problemstellung Im Rahmen des Zulassungsverfahrens für elektrische Schienenfahrzeuge werden oft Messungen bezüglich der Interaktion von Stromabnehmer und Oberleitung benötigt. Zu diesem Zweck werden meist Kontaktkraftmessungen durchgeführt. Dabei soll die dynamische Kraft zwischen Schleifleiste und Oberleitung bei Fahrzeughöchstgeschwindigkeit ermittelt werden. Beim Einsatz klassischer Messsysteme werden herkömmliche Kraftsensoren unter die Schleifleiste montiert. Daraus resultieren verschiedene Schwierigkeiten. Zum Einen muss der Sensor auf Hochspannungspotential mit elektrischer Energie vers
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25

薛玉婷. "Study of Fiber-Optic Links Supporting Simultaneous Transmission of Baseband and Microwave Signals." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/07238496875057190013.

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碩士<br>國立交通大學<br>光電工程系所<br>93<br>The demand on both wired and wireless access network is accelerating. For wireless access, one feasible option is radio over fiber (Rof). There is an emerging need to merge the fixed wired network and the RoF network for low cost infrastructure. So, in this thesis, several fiber-optic links that support simultaneous transmission of baseband data and radio signals are presented. By using simulation tool, VPI, we demonstrate two novel modulation methods which load 60-GHz-band radio signals on the frequency shift keying (FSK) and differential phase shift keying (DP
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26

Cheng, Ming-Jen, and 鄭茗仁. "Study of Simultaneous Transmission of Digital and RF Signals over Fiber-Optic Links." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/80351492738577472773.

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碩士<br>國立中央大學<br>電機工程研究所<br>95<br>In all access networks, optical fiber plays an imperative role. Fiber carries multimedia signals such as video, audio and data with a combination of subcarrier multiplexed radio over fiber and digital baseband formats. Therefore, radio over fiber plays key role in both wired and wireless broadband multimedia access networks. In this thesis, a simultaneous modulation and fiber-optic transmission of 1.25Gb/s digital signal and 2.4GHz RF signal with Gaussian minimum shift keying(GMSK) data is investigated. We compare two demodulation schemes which demodulate singl
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27

"Resources optimization of operational fiber links & interconnections for the merger of two optical networks." Thesis, 2008. http://library.cuhk.edu.hk/record=b6074662.

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A model is developed for the optimization. The model can be used for the merger of both identical and non-identical networks. The overall costs for various topologies are optimized with respect to different interconnection build costs. It is shown that the merger of two optical networks can reduce more than 50% of operational fiber links, while routing between any two nodes in the two optical networks are maintained. This has been proven through case analysis and analytical results.<br>An algorithm for resource optimization is also developed for the consolidation of two coexisting networks. In
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28

"Bit rate limiter for on-off-keying optical links." 1998. http://library.cuhk.edu.hk/record=b5889522.

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by Wai-Shan Chan.<br>Thesis submitted in: August 1997.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1998.<br>Includes bibliographical references (leaves 61-63).<br>Chapter Chapter 1 --- Introduction<br>Chapter 1.1 --- Motivation --- p.1<br>Chapter 1.2 --- Fiber recirculating delay loop --- p.2<br>Chapter 1.3 --- Slicing scheme --- p.3<br>Chapter 1.4 --- Outline of the thesis --- p.4<br>Chapter Chapter 2 --- Fiber recirculating delay loop<br>Chapter 2.1 --- Review --- p.5<br>Chapter 2.1.1 --- Introduction --- p.5<br>Chapter 2.1.2 --- The device --- p.6<br>Chapter 2.1.3 --- Filte
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29

Coleman, Thomas. "A Novel Technique for Depth Discrete Flow Characterization: Fibre Optic Distributed Temperature Sensing within Boreholes Sealed with Flexible Underground Liners." Thesis, 2012. http://hdl.handle.net/10214/5265.

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In recent years, wireline temperature profiling methods have evolved to offer new insight into fractured rock hydrogeology. An important advance in temperature logging makes use of boreholes temporarily sealed with flexible impervious fabric liners so that the water column is static and effects of cross-connection are eliminated. For this project a characterization technique was developed based on combining fibre optic distributed temperatures sensing (DTS) with active heating within boreholes sealed with underground liners. DTS systems provide a temperature profiling method that offers impro
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30

Phen, Robert V. "An experimental measurement of oil film thickness on the liner of a motored diesel engine using a laser induced fluorescence technique and fiber optics." 1992. http://catalog.hathitrust.org/api/volumes/oclc/32449771.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1992.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 93-96).
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31

Simpson, Bryan. "BEHAVIOUR OF DETERIORATED PIPES REHABILITATED WITH GROUTED SLIPLINERS." Thesis, 2013. http://hdl.handle.net/1974/8488.

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The goals of this research are to develop and validate the use of distributed fibre optic sensors for use in strain monitoring of buried culverts, and to use full-scale experiments to evaluate the performance of both deteriorated steel and reinforced concrete culverts rehabilitated with grouted slipliners subjected to surface loading. Bench scale experiments were conducted to evaluate the use of fibre optic sensors against conventional strain sensors. Then, fibre optic sensors were attached to a full-scale culvert that was tested in a buried state as a proof of concept. Finally, fibre optic
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