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Дисертації з теми "Fiber transmission"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Okonkwo, Igweani Uchenna Titus. "Optical fiber transmission systems for in-door next generation broadband access network." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10539.

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This thesis investigates the generation and radio-over-fibre (RoF) transport of unlicensed 60 GHz millimetre-wave (mm-wave) frequency band. The investigated benefits of transmission schemes applicable for the mm-wave generation include optical carrier suppression (OCS), optical frequency multiplication (OFM) and remote heterodyne detection (RHD). For the in-door cabling of the mm-wave transmission, a low-cost polymer optical fibre (POF) along with bend-insensitive single mode fibre (BI-SMF) has been investigated for short-range networks. Transporting mm-wave generated signals over POF and BI-S

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2

Cameron, John. "Polarization mode dispersion in optical fiber transmission systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ65453.pdf.

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3

Abouseif, Akram. "Emerging DSP techniques for multi-core fiber transmission systems." Electronic Thesis or Diss., Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAT013.

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Les systèmes de communication optique ont connu plusieurs phases de développement au cours des dernières décennies. Ils approchent aujourd'hui les limites de capacité du cana non-linéaire. L'espace est aujourd'hui le dernier degré de liberté à mettre en œuvre afin de continuer à répondre aux demandes de capacité à venir pour les prochaines années. Par conséquent, des recherches intensives sont menées pour explorer tous les aspects concernant le déploiement du système de multiplexage par division spatiale (SDM). Plusieurs dégradations ont un impact sur les systèmes SDM en raison de l'interactio

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4

Louchet, Hadrien. "Top-down analysis of high-capacity fiber-optic transmission." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981530613.

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5

Andrawis, Alfred S. "A new compound modulation technique for multi-channel analog video transmission on fiber." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/39877.

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Present analog optical fiber multi-channel video transmission systems are very sensitive to laser nonlinearities and are consequently limited in the optical modulation depth (OMD) that may be used. This, in turn limits the power budget achievable, signal-to-noise ratio, and the channel capacity. In this dissertation a new analog transmission technique for multi-channel TV transmission on fiber USIng frequency modulation/pulse amplitude modulation/time division multiplexing (FM/TDM) is described and compared with present digital and analog systems. Parameters for the proposed system are select

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6

Bouhamri, Zine-Abidine. "Transmission multi-standards sur lien optique bas-coût." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00957588.

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Dans ce travail, nous avons étudié un système complet d'antennes distribuées par voie optique pour déport de signaux radio suivant le principe de la radio sur fibre. La caractérisation du lien optique servant de base au système radio sur fibre, d'un point de vue composant et système via la transmission de standards radio a d'abord été effectuée. Nous avons montré par une nouvelle technique de caractérisation que l'élément non linéaire de notre chaîne de transmission pouvait se comporter de manière plus linéaire qu'attendue et faiblement impacter les standards radio transmis. Les standards choi

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7

Ibrahim, Sherif Mohamed. "Performance evaluation of fiber-reinforced polymer poles for transmission lines." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0025/NQ51638.pdf.

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8

Darweesh, Jamal. "Quantization of Neural Network Equalizers in Optical Fiber Transmission Experiments." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAT025.

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L'avènement de la détection cohérente a ouvert la voie à la compensation des effets liés à la propagation dans les fibres optiques en utilisant le traitement numérique du signal (”DSP”). Alors que les effets linéaires, tels que la dispersion chromatique et la dispersion modale de polarisation, peuvent être compensées efficacement, la compensation des distorsions non linéaires reste aujourd'hui un défi compte-tenu des complexités d'implémentation. Dans ce travail, nous considérons les réseaux de neurones (”NN”) pour l'égalisation dans la trans- mission par fibre optique à double polarisation. P

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9

Abobaker, Abdosllam M. "Analytical design of dispersion-managed optical fibre transmission systems." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=24668.

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10

Leo, Qiyuan Hu, and Pontus Jäderholm. "Transmission characterization of fiber Bragg gratings arrays for intracavity spectral control of a 1.5 micrometer fiber laser." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297813.

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This thesis aims to investigate whether a fiber Bragg grating array (FBGA) can be designed to reduce the bandwidth of light from a 1.5 µm fiber laser while the distances between the fiber Bragg gratings are in the 10-20 cm range. The results from simulations show that for FBGA with multiple cavities, small changes in cavity length impact transmission drastically. For FBGA consisting of only two fiber Bragg gratings, the quality of the laser cavity's spectrum is improved, as the peak width is reduced and stability is increased. The conclusions of the experiments and the simulations are that FBG

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11

Breyer, Florian [Verfasser]. "Multilevel Transmission and Equalization for Polymer Optical Fiber Systems / Florian Breyer." München : Verlag Dr. Hut, 2011. http://d-nb.info/1010446916/34.

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12

Pakala, Lalitha [Verfasser]. "Kalman Filtering for Mitigation of Optical Fiber Transmission Impairments / Lalitha Pakala." Düren : Shaker, 2019. http://d-nb.info/1188553488/34.

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13

Taki, Haidar. "On ultra-wideband over fiber transmission systems employing semiconductor optical amplifiers." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0071/document.

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La technologie Ultra WideBand (UWB) sur fibre est une solution prometteuse pour répondre aux enjeux des futurs réseaux de communication WLAN/WPAN. Les caractéristiques de la fibre, incluant son énorme bande passante, offrent la possibilité d'une bonne qualité de service à longue portée. La propagation sans-fil UWB doit être réalisée sous des contraintes de densité spectrale de puissance particulières, imposées par l'autorité de régulation (FCC pour les Etats-Unis). La nouveauté de notre travail provient de I' exploitation des avantages d'un amplificateur optique à semi-conducteurs (SOA) afin d

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14

Zhang, Jian-Guo, and Zheng Li. "FIBER-OPTIC NETWORKS FOR TELEMETRY APPLICATIONS." International Foundation for Telemetering, 1992. http://hdl.handle.net/10150/608907.

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International Telemetering Conference Proceedings / October 26-29, 1992 / Town and Country Hotel and Convention Center, San Diego, California<br>In this paper, we investigate high-capacity fiber-optic networks for real-time telemetry applications. The network topologies and related network components are analyzed for telemetry fiber-optic Local Area Network (LAN) and Metropolitan Area Network (MAN) as well as MAN internetworking with LANs. Two types of multiplexing techniques, namely, Wavelength Division Multiplexing and Time Division Multiplexing, are proposed to support real-time high-c

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15

Bai, Neng. "Mode-Division Multiplexed Transmission in Few-mode Fibers." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5761.

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As a promising candidate to break the single-mode fiber capacity limit, mode-division multiplexing (MDM) explores the spatial dimension to increase transmission capacity in fiber-optic communication. Two linear impairments, namely loss and multimode interference, present fundamental challenges to implementing MDM. In this dissertation, techniques to resolve these two issues are presented. To de-multiplex signals subject to multimode interference in MDM, Multiple-Input-Multiple-Output (MIMO) processing using adaptive frequency-domain equalization (FDE) is proposed and investigated. Both simula

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16

Kanprachar, Surachet. "Modeling, Analysis, and Design of Subcarrier Multiplexing on Multimode Fiber." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/26744.

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This dissertation focuses on the use of subcarrier multiplexing (SCM) in multimode fibers, utilizing carrier frequencies above what is generally utilized for multimode fiber transmission, to achieve high bit rates. In the high frequency region (i.e., frequencies larger than the intermodal bandwidth), the magnitude response of multimode fiber does not decrease monotonically as a function of the frequency but is shown to become relatively flat (but with several deep nulls) with an amplitude below that at DC. The statistical properties of this frequency response at high frequencies are analyzed.

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17

Kim, Jin-Sung. "The measurements of transmission spectrum and net gain for semiconductor cylinder fiber." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2002. http://wwwlib.umi.com/cr/syr/main.

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18

Dimopoulos, Ilias K. "Simultaneous wideband transmission of five FDM signals over a fiber optic link." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/27268.

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19

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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20

Dobremez, Vincent. "Convergence des techniques de transmission fibre optique et radio MIMO haut débit." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00952292.

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Pour répondre à l'accroissement de la demande en bande passante, de nouveaux réseaux optiques sont mis en place. Ce déploiement s'accompagne de la mise en service de nouveaux standards de fibres optiques, ce qui pose la question de l'utilisation et de la mise en valeur du réseau fibré existant, et notamment des fibres multimodes déjà installées, rapidement vouées à l'obsolescence. On cherche ainsi à mettre à profit la diversité spatiale que procure la nature multimode des ces fibres, via une analogie avec le domaine radiofréquences. L'utilisation des techniques MIMO, largement répandue dans le

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21

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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22

Ursini, Leonora. "Optical Chaotic Transmission Systems For Secure Data Communication." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3425929.

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The optical chaos dynamics are investigated for obtaining the secure transmission of an information message. A detailed numerical analysis of an optical chaotic transmission system, based on the synchronization of two chaotic lasers is presented. At the transmitter, the chaotic waveform is superposed on the information message; at the receiver, the message is recovered by subtracting the synchronized chaotic wave from the received signal. The aim is the investigation of the system performance for various configurations. Original methods are also proposed for improving the performance. Finall

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23

Forozesh, Kamyar. "The influence of the dispersionmap on optical OFDM transmissions." Thesis, Uppsala University, Swedish Institute of Space Physics, Uppsala Division, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-119979.

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<p>Fiber-optic networks are an integral part of todays digital communication system. In these networks, distances of typically 400 km to 6000 km are linked together, and information is transfered at extremely high data rates. As the demands for capacity increases, finding new methods for cost effective long-haul transmission systems that can be used to increase the capacity becomes of high interest. In this work Orthogonal Frequency Division Multiplexing (OFDM), which is a standard digital modulation format in many wireless communication systems, for instance the IEEE 802.11n, is adapted to th

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24

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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25

Chen, Cheng. "Simultaneous transmission of baseband signal and in band RF signal." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708805.

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26

Maurer, Ricky L. "FIBEROPTIC TRANSMISSION SYSTEM FOR IMPROVING RAMP TM RECEPTION." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606797.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>The requirement for improved ramp telemetry data and video coverage has prompted the Telemetry Branch at the Naval Air Warfare Center Aircraft Division (NAWCAD) to install an L and S-Band Fiberoptic Transmission System linking multiple hangar locations to the Telemetry Data Center. This system uses Commercial-off-the-Shelf (COTS) equipment and is capable of transmitting analog telemetry data and video from multiple sites to one location for processi

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27

Parise, Ronald J. "A heat transfer and fluid flow model for the drawing of optical fibers." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/18221.

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28

Rotich, Enoch Kirwa. "Fibre optic network supporting high speed transmission in the square kilometre array, South Africa." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/6552.

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This thesis provides in-depth information on the high speed optical transport requirements for the Square Kilometre Array. The stringent data rates as well as timing and synchronization requirements are dealt with respect to the optical fibre technology. Regarding the data transport, we draw a clear comparison between a typical telecommunication access network and a telescope network. Invoking simulations and experiments on the field and laboratory test bed, we successfully implement a suitable telescope network using vertical cavity surface emitting laser (VCSEL) technology. Polarization effe

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29

Gest, Johann. "Discrete fiber Raman amplifiers for agile all-photonic networks." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103199.

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This thesis is dedicated to the study of gain transients of discrete fiber Raman amplifiers and to the all-optical gain-clamping technique which is used to mitigate those transients.<br>First, we study the standing-wave and the traveling-wave gain-clamping techniques when applied to a single discrete fiber Raman amplifier in the context of WDM channel add and drop. We take into account the operational regime of the amplifier and the location of the surviving channel in the amplification band. We demonstrate that the gain-clamped amplifier has to be operated in a regime below the critical regim

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30

Girondin, Victor. "Etude et modélisation d'un modulateur à électro-absorption pour des applications de transmission radio sur fibre de signaux ULB aux fréquences centimétriques. Simulation système et caractérisation d'une liaison radio sur fibre à modulation externe." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066127/document.

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Ce travail de thèse, consiste à étudier les performances d'une liaison Radio sur Fibre simplifiée mettant en ¿uvre une modulation extérieure de la source optique avec des signaux OFDM. La source laser est couplée sur une même puce avec un modulateur à électro-absorption, développée par Alcatel III-V LaB été modélisée à l'aide du logiciel ADS( Advanced Design System) et caractérisée au laboratoire.Dans une première partie, nous présenterons une introduction de la technologie Radio sur Fibre avec ses applications, et son intérêt pour les technologies futures.Dans une seconde partie, nous nous in

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31

Mo, Weiyang, Mariya Bhopalwala, Houman Rastegarfar, and Daniel C. Kilper. "Proactive and Nondisruptive Channel Probing for Wavelength Switching in Optical Transmission." IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2017. http://hdl.handle.net/10150/626438.

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Proactive and nondisruptive channel probing is investigated for the measurement of channel power, amplifier channel gain, and optical signal-to-noise ratio (OSNR) without disrupting established wavelength-division multiplexed channels. Using a nondisruptive probe signal over a three-span link, wavelength switching-induced power excursions are predicted to be within +/- 0.2 dB, and OSNR as high as 20 dB is accurately measured with a maximum of 0.5 dB error.

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32

Ye, Xiaoyan. "Applications of Artificial Intelligence to Control and Analyze the Performance of Fiber-Optic Transmission Systems." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAT048.

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La demande croissante de trafic internet a nécessité une augmentation continue de la capacité des systèmes de communication par fibre optique, fondement des réseaux de communication globaux.Cette thèse se propose des solutions innovantes pour relever les défis posés par l'amplificationà bande ultra-large et l'estimation fine du bruit dans les systèmes de transmission optique. Les systèmesde communication par fibre optique ont connu une évolution significative pour répondre aux exigencescroissantes en matière de capacité. Ils sont passés des amplificateurs optiques et de la détectioncohérente a

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33

Carter, Frances D. "A THEORETICAL AND EXPERIMENTAL INVESTIGATION OF POWER TRANSMISSION IN A LARGE DIAMETER OPTICAL FIBER." MSSTATE, 2004. http://sun.library.msstate.edu/ETD-db/theses/available/etd-07062004-151929/.

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The effect of varying the angle of incidence of a Gaussian beam from a He-Ne laser incident upon a large radius optical fiber is theoretically and experimentally investigated. The modes in a weakly-guiding, step index fiber were determined by using an analytical approximation technique to calculate the corresponding eigenvalues. An expression was developed for the fractional power per mode as a function of the angle of incidence for such a fiber. This expression was used to calculate the fractional power per mode for the lowest order 171 modes. This allowed the calculation of the fractional po

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34

NOGUEIRA, MURILO MAGALHAES. "METROLOGICAL EVALUATION OF AN OPTICAL FIBER BRAGG GRATING ACCELEROMETER: APPLICATION IN OVERHEAD TRANSMISSION LINES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2005. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7908@1.

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Linhas de transmissão de energia são estruturas importantes em um sistema de energia elétrica. Devido à elevada energia transportada por essas redes, falhas em linhas de transmissão podem ter reflexos severos no fornecimento aos consumidores, não raro levando a apagões em áreas geograficamente extensas. Entre as possíveis origens de falhas está o rompimento dos cabos elétricos pela fadiga provocada pela vibração eólica. As grandes extensões territoriais percorridas pelas linhas de transmissão e a variedade de climas, relevos, vegetação e condições meteorológicas aos quais estão submeti

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35

Arnould, Aymeric. "Ultra-wideband and high symbol rate transmission systems for next-generation optical fiber communications." Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAS006.

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Les transmissions par fibre optique ont permis le développement de réseaux robustes et performants formant la base du système mondial de télécommunications. Alors que les fibres à faibles pertes et les amplificateurs à fibre dopée à l'erbium (EDFA) ont ouvert la voie au multiplexage en longueur d'onde (WDM), la détection cohérente permet l'utilisation de techniques de modulation et de codage avancées et le traitement du signal numérique (DSP) est utilisé pour compenser les effets physiques de propagation. Dans cette thèse, nous nous intéressons à des solutions pour la prochaine génération de s

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36

Shibahara, Kohki. "Advanced Signal Processing for Fiber-Optic Communication Systems Scaling Capacity Beyond 100 Tb/s." Kyoto University, 2017. http://hdl.handle.net/2433/227663.

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37

Ma, Xiaobing. "Analysis and simulation of the Kerr effect in long haul in-line fiber amplifier transmission systems." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-171804/.

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38

Mayrock, Markus [Verfasser], and Herbert [Akademischer Betreuer] Haunstein. "OFDM for Fiber-Optic Data Transmission at High Spectral Efficiency / Markus Mayrock. Betreuer: Herbert Haunstein." Erlangen : Universitätsbibliothek der Universität Erlangen-Nürnberg, 2012. http://d-nb.info/1029374457/34.

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39

Lin, Yun-Shi, and 林耘世. "Study of Broadband Fiber Source and Fiber-Optic Video Transmission." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/96885419519454220723.

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碩士<br>國立中山大學<br>海下技術研究所<br>86<br>This thesis includes two parts: the broadband erbium-doped superfluorescent fiber source (SFS) for fiber optic gyroscope (FOG), and the fiber-optic video transmission technique of remotely operated vehicle (ROV). For the study of SFS for FOG, we investigate and compare the characteristics of erbium-doped SFS using different flattening techniques in double-pass forward (DPF) and double-pass backward (DPB) configurations. The intrinsic flattening is to optimize the erbium-doped fiber (EDF) length and pump power for an SFS to obtain high output power, wide line-wi

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40

YANG, WEN-FANG, and 楊雯芳. "FM CATV optical fiber transmission system." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/85289498090235227893.

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Tang, Jia-Hong, and 湯家鴻. "Fiber Raman Amplified Lightwave CATV Transmission Technique." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/53826651786950004037.

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碩士<br>國立中山大學<br>光電工程研究所<br>90<br>Abstract In this paper, we build up the DRA (Distributed Raman Amplifier) by using four pump LDs (1460nm, 1470nm, 1480nm, 1490nm) with 25km LEAF (Large Effect Area Fiber) to transmission and compared the performance with system that just have EDFA. For the long distant system, we use EDFA and DRA to transmit 80km LEAF. In order to increase the system power budget it is necessary to use the two optical amplifiers in the same time. For the experimental results, we find that use the Raman amplifier with 25km LEAF may have degradations of CNR, CSO, CTB with 1~2

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lin, shyue dean, and 林學典. "plastic fiber for video and audio transmission." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/12322441068699841756.

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Hatzidakis, Fokion. "Multichannel data transmission through a fiber optic cable." Thesis, 1987. http://hdl.handle.net/10945/22375.

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LIN, KAI, and 林愷. "Design of ternary digital optical fiber transmission system." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/13366673247596624022.

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Lu, Hai-Han, and 呂海涵. "Long-Distance Transmission of Directly Modulated 1550 nm Fiber Optical CATV Transmission Systems." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/39312334050154638516.

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博士<br>國立中央大學<br>光電科學研究所<br>88<br>In this dissertation, we study the directly modulated NTSC 80-channel erbium-doped fiber amplifier (EDFA)-repeated system using split-band and wavelength-division-multiplexing (WDM) techniques to improve the composite second order (CSO) degradation accompanied by better carrier-to-noise ratio (CNR) and qualified composite triple beat (CTB) performances. First, an architecture of a directly modulated NTSC 80-channel EDFA-repeated system using half-split-band and WDM techniques is proposed. As compared with the conventional externally modulated lightwave AM-VSB C

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Chiang, Pi-Yang, and 江丕揚. "Transmission of QAM signals in hybrid fiber/coax networks." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/15481644311321427238.

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博士<br>國立交通大學<br>電信工程研究所<br>86<br>We investigate the ultimate QAM channel capacity of a laser diode in a hybrid fiber/coax network which is limited by the laser-clipping induced nonlinear distortions (NLD''s) and the relative intensity noise (RIN). Our study includes a spectral analysis, a complete system simulation, and an experiment. In the experiment, up to 70 channels of vector-arbitrary-waveform- synthesizer generated upstream QPSK or 16-QAM signals were used to modulate an isolated/c

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WU, JIA-ZHANG, and 吳佳璋. "Bidirectional optical fiber transmission system with crosstalk cancellation capability." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/04665768120045167904.

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Ho, Chou-Wei, and 何洲威. "Simultaneous Transmission of CATV and Radio-over-Fiber Signals." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/p7ax83.

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碩士<br>國立臺北科技大學<br>光電與通訊產業研發碩士專班<br>99<br>In the rapid development communications industry, the broadband network from triple play (voice, video and data) into quadruple play (voice, video, data and movement). A hybrid CATV/ROF transport system provides a prominent method to combine CATV, optical fibers and wireless technology. Nevertheless, there is a few PM modulation method which be used in multi-carrier analogy CATV transport systems in the current research .In addition to, PM has many advantages that no requires other external control modulator or biasing and also has high optical intensit

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Yao, Fu-Zhong, and 姚富鐘. "Study of Transmission Improvement in Radio over fiber Systems." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/31798819705884531070.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>96<br>In this dissertation, we study the improvement of radio-over-fiber communication systems and applications. The content about RoF communication system applications including the basic characteristics of WiMAX wireless signal, the comparison between the different characteristics of VCSEL and DFB laser, the test of laser DC bias linear area, and the comparison of connection with the multi-mode and single-mode fiber. In the research of injection-locked, we verify the injection-locked can improve system performance, and found a number of characteristics, including

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Chen, Shyh-Yang, and 陳世洋. "Fiber Implementation of a High Definition Video Transmission System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/21409363948845302594.

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碩士<br>逢甲大學<br>資訊電機工程碩士在職專班<br>95<br>The thesis implements a transmitting system based on a Field Programmable Gate Array (FPGA) and the use of optical fibers for conveying the high definition images. The main purpose is to use this system to transmit the high definition digit image in high speed. No matter how far the signals to be transmitted, it is set up in the minimum cost for maintaining the real time and clear images. The Camera Link camera is included in this system for using only a pair of optical fibers,which can provide more than 4 times of image resolution than that of NTSC/PAL ca

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