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Дисертації з теми "Laser communication systems"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 5 березня 2023

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1

Sabala, Ryan J. "Satellite Attitude Determination Using Laser Communication Systems." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1218636153.

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2

Sofka, Jozef. "New generation of gimbals systems for aerospace applications." Diss., Online access via UMI:, 2007.

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3

Qureshi, Zihad. "Vertical cavity surface emitting lasers in high speed optical data communications." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608126.

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4

Bar, Siman Tov Omar. "Adaptive optimization of a free-space laser communication system under dynamic link attenuation." Diss., Online access via UMI:, 2009.

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Анотація:

Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Electrical and Computer Engineering, 2009.<br>Includes bibliographical references.

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5

Bonk, Scott S. "The use of point-to-point lasers for navy ships." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FBonk.pdf.

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6

Timus, Oguzhan. "Free space optic communication for Navy surface ship platforms." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FTimus.pdf.

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7

Zhu, Benyuan. "Multichannel grating cavity laser for optically multiplexed communication systems." Thesis, University of Bath, 1996. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320438.

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8

Lee, Myron S. M. Massachusetts Institute of Technology. "Optomechanical and wavelength alignments of CubeSat laser communication Systems." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112470.

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Анотація:

Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 97-100).<br>While the introduction of CubeSats has enabled the scientific, commercial, and governmental communities to launch space missions more quickly at lower costs, the communication subsystems of the platform are limited by a heavily regulated and overcrowded RF spectrum. Scientific instruments with increasing capabilities on CubeSats are generating massive amounts of data and are quickly pushing the

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9

Johnson, Peter Thomas. "Spectral correlation of semiconductor laser." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385428.

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10

Hill, Timothy J. "Interference of intensity noise in a multimode Nd:YAG laser." Title page, abstract and contents only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09phh6484.pdf.

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Анотація:

Includes bibliographical references (leaves 151-163). Investigates the behaviour of the intensity noise in a multimode Nd:YAG laser. The collective modes of oscillation are excited by broadband ambient noise. Because the phase of the excitation is unknown, a cross spectral technique to measure the antiphase dynamics directly and form a picture of the intensity noise interference for two to five mode operation is developed. For three mode operation, the contributions of the longitudinal modes to collective modes is measured.

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11

Liu, Zhao. "Modeling and measurement of the effects of atmospheric turbulence and platform vibrations on laser communication." Diss., Online access via UMI:, 2009.

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Анотація:

Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Electrical and Computer Engineering, 2009.<br>Includes bibliographical references.

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12

Leung, Ian Kin-Hay Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Development of composite cavity fibre lasers for fibre laser hydrophone systems." Publisher:University of New South Wales. Electrical Engineering & Telecommunications, 2008. http://handle.unsw.edu.au/1959.4/41248.

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Анотація:

In this thesis, my main focus was to establish a novel composite-cavity fibre laser (CCFL) and to apply it in sensing, particularly in the hydrophone application. The CCFL that I have proposed is formed by writing three wavelength matched fibre Bragg gratings directly into a continuous length of doped fibre. I have also examined the relative advantages and disadvantages of interferometric and intensity-based hydrophone systems, and have established a hydrophone system that can be switched between the two modes of operation, by making use of digital signal processing. I have established a theor

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13

Neo, Soo Sim Daniel. "Free space optics communication for mobile military platforms." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FNeo.pdf.

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14

Modi, Sohrab. "Free space laser communications on the Macintosh computers /." Online version of thesis, 1990. http://hdl.handle.net/1850/10547.

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15

Ketprom, Urachada. "Line-of-sight propagation of optical wave through multiple-scatter channel in optical wireless communication system /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/6057.

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16

Merritt, Elizabeth C. "The effects of extremely-short external cavity optical feedback into a modulated vertical-cavity surface-emitting laser /." Connect to online version, 2007. http://ada.mtholyoke.edu/setr/websrc/pdfs/www/2007/234.pdf.

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17

Lomax, Andrew Martin. "Picosecond pulse control using semiconductor laser amplifiers." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333329.

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18

Ikpe, Stanley A. Triplett Gregory Edward. "Atmospheric effects on near-infrared free space optical communication links." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6654.

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Анотація:

Title from PDF of title page (University of Missouri--Columbia, viewed on March 10, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. Gregory E. Triplett Jr. Includes bibliographical references.

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19

Khandekar, Rahul M. "Advanced wavefront manipulation technologies in optical systems." Diss., Online access via UMI:, 2008.

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Анотація:

Thesis (Ph. D.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Electrical Engineering, 2008.<br>Includes bibliographical references.

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20

Davies, A. R. "Novel applications of monolithic tunable laser diodes for optical communication systems." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598359.

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In order to facilitate the increasing traffic demands of optical communications networks high-speed transmitters will be required in future systems. This thesis focuses on routes to achieving 40Gb/s data rates using advanced modulation formats and direct modulation of Distributed Feedback (DFB) semiconductor laser diodes. In particular four-level signalling is employed as a way of achieving 40Gb/s data rates from existing state-of-the-art DFB lasers which are typically limited to speeds of around 20GHz. The potential of using four-level signalling to extend the reach of future systems is demon

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21

Falkenburg, Grant (Grant E. ). "High-order compensation of self-phase modulation in laser communication systems." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112845.

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Анотація:

Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (page 72).<br>Self-phase modulation (SPM) creates a power and fiber-length dependent spectral broadening that reduces signal-to-noise ratio in free-space laser communication systems which use a fiber to connect their transmitter's

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22

West, Lamar. "Analysis and simulation of reverse path laser clipping in subcarrier multiplexed hybrid fiber coax networks." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/13301.

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23

Manuel, de Castro Faria Salgado Henrique. "Performance assessment of subcarrier multiplexed optical systems : implications of laser nonlinearities." Thesis, Bangor University, 1993. https://research.bangor.ac.uk/portal/en/theses/performance-assessment-of-subcarrier-multiplexed-optical-systems(dde01341-f26c-4fa6-b546-8baad0c38ec2).html.

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This thesis is concerned with a detailed study of laser nonlineanties and the implications for multichannel subcamer multiplexed fibre optic systems. In view of the limitations of previously reported analytic treatments of laser nonlinear distortion, a considerable part of the study is dedicated to the development of modelling and analytic tchniques suitable for practical system design and optimisation The single-mode rate equations provide an adequate basis for the analysis of laser intnnsic dynamic distortion and relative intensity noise and their dependence on device parameters and operatin

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24

Chung, Chul-Jong. "Practical performance and system capacity of lightwave AM SCM video systems." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/39975.

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25

Da, Silva H. J. A. "Influence of laser frequency chirp on the performance of optical communication systems." Thesis, Bangor University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383573.

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26

Walton, Channing. "Pattern controlled single mode optical data streams from gain switched semiconductor laser diodes." Thesis, University of Kent, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332603.

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27

Butaney, Vikas Hari. "Measurements, analysis and modeling of the performance of direct detection receivers with an optical preamplifier." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-11102009-020152/.

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28

Corbett, Kerry. "Modelling and experiments on the behaviour of injection current modulated multimode semiconductor lasers." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phc7891.pdf.

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Анотація:

Bibliography: p. 215-231. This thesis investigates the behaviour of semiconductor lasers under large amplitude sinusoidal current modulations. It focuses directly on the behaviour of Faby-Perot lasers under direct modulation of the injection current.

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29

Sánchez, Costa Christian. "Optical Orthogonal Frequency Division Multiplexed communication systems: analysis, design and optimization." Doctoral thesis, Universitat Politècnica de València, 2014. http://hdl.handle.net/10251/39375.

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En este trabajo se realiza una intensiva labor teórica de descripción de sistemas de comunicaciones ópticas que utilizan la técnica de multiplexación por división de frecuencias ortogonales (OFDM en inglés), más concretamente en sistemas con modulación directa de la intensidad de un láser y detección directa. Se parte pues de un modelo analítico que estudia con detalle todos aquellos fenómenos que afectan a la señal de información detectada en el receptor. Tales fenómenos son: la nolinealidad del láser, las modulaciones de intensidad y de fase ópticas, la propagación a través de la fibra ópt

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30

Ramirez-Hernandez, Ramiro A. "Additively Manufactured On-Package Multipolar Antenna Systems for Harsh Communication Channels." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7705.

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Four main aspects are studied and explored throughout this dissertation: (1) On-Package Multipolar antenna system design for integration with commercial wireless sensor nodes for machine-to-machine communication applications; (2) Development of a novel MMIC packaging process and subsequent antenna integration for chip-to-chip communication applications, (3) Design and characterization of additively manufactured lumped passive elements for integration with MMIC and hybrid circuits, (4) Design and characterization of antennas for on- and off-metal radio frequency identification (RFID) applicatio

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31

Gross, Michael Charles. "High-rate, short-pulse sources:jitter and pedestal level in optical time-division multiplexing." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/5405.

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32

Gross, Michael Charles. "High-rate, short-pulse sources jitter and pedestal level in optical time-division multiplexing /." Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04082004-180157/unrestricted/gross%5Fmichael%5Fc%5F200312%5Fphd.pdf.

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33

Rumbaugh, Scott Hamilton. "Endless state-of-polarization control for coherent optical communication systems using nematic liquid crystals." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/4145.

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Анотація:

One of the obstacles to coherent fiber-optic communications is the unpredictable polarization drift which necessitates the use of an active polarization controlling system to match the polarizations of the signal and local oscillator. The polarization match must be maintained during the reset of any of the finite range components to prevent loss of data. We present a novel and practical system which uses three liquid crystal devices for the polarization matching process. Also, the required reset control algorithm and its derivation are described in detail.

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34

Muramoto, Willian Sadaiti. "Estudo e modelagem de canal optico atmosferico utilizando o Lightsim como plataforma de simulação." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258925.

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Анотація:

Orientador: Edson Moschim<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-10T09:27:29Z (GMT). No. of bitstreams: 1 Muramoto_WillianSadaiti_M.pdf: 2409655 bytes, checksum: 095d332f24becfd479ff86a233ffcc95 (MD5) Previous issue date: 2007<br>Resumo: Este trabalho apresenta um estudo e simulações de um enlace atmosférico para comunicações ópticas e como os diversos fatores intrínsecos ao enlace podem influenciar na qualidade do sinal. O uso de um canal atmosférico para a propagação de um sinal

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35

Perera, Janaka P. "A low-cost man-portable free-space optics communication device for Ethernet applications." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FPerera.pdf.

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Анотація:

Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, December 2004.<br>Thesis advisor(s): Gamani Karunasiri, Xiaoping Yun. Includes bibliographical references (p. 47-50). Also available online.

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36

Fulenwider, Thomas Edward. "Modular Laser Combat System for Remotely Operated Vehicles: Bridging the Gap Between Computer Simulation and Live Fire." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/335.

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Анотація:

In the emerging industry of small unmanned vehicles, pioneered by small businesses and research institutions, a suitable combat system test platform is needed. Computer simulations are useful, but do not provide the definitive proof of effective operation necessary for deployment of a combat system. What is needed is an affordable simulated weapons system that enables live flight testing without the used of live weaponry. A framework is developed here for the construction of a simulated weapon using Free Space Optical (FSO) infrared communication. It is developed in such a way to ensure compat

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37

Yin, Hujun. "Cross layer design and optimization of wireless networks /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/5904.

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38

Ajemian, Stephen P. "Modeling and evaluation of aerial layer communications system architectures." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90705.

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Анотація:

Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, Engineering Systems Division, System Design and Management Program, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 90-91).<br>Airborne networks are being developed to provide communications services in order to augment space-based and terrestrial communications systems. These airborne networks must provide point to point wireless communications capabilities between aircraft and to ground-based users. Architecting airborne networks requires evaluating the capabilities

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39

VanWiggeren, Gregory D. "Chaotic communication with erbium-doped fiber ring lasers." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/30299.

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40

Mostafa, Ayman. "Physical-layer security for visible-light communication systems." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61328.

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Visible-light communication (VLC) is an enabling technology that exploits the lighting infrastructure to provide ubiquitous indoor broadband coverage via high-speed short-range wireless communication links. On the other hand, physical-layer security has the potential to supplement conventional encryption methods with an additional secrecy measure that is provably unbreakable regardless of the computational power of the eavesdropper. The lack of wave-guiding transmission media in VLC channels makes the communication link inherently susceptible to eavesdropping by unauthorized users existing

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41

Bennecer, Abdeldjalil. "Low cost integrated lasers for data communications." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609254.

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42

O, Cochlain Ciaran R. "Tunable erbium doped fibre lasers for lightwave communication systems." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283935.

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43

Seong, Kibeom. "Cross-layer resource allocation for multi-user communication systems /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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44

Rysdale, L. J. "Aspects of polarisation in coherent optical communication systems." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374439.

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45

Clements, Emily Baker. "Probabilistic methods for systems engineering with application to nanosatellite laser communications." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119286.

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Анотація:

Thesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 109-121).<br>Risk-tolerant platforms such as nanosatellites may be able to accept moderate performance uncertainty if it enables the reduction of cost or improves manufacturability, in contrast to large-budget space missions. New uncertainty-based systems engineering approaches such as uncertainty-based multidisciplinary optimization require the use of integrated performance models with input distribution

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46

Lightfoot, Leonard E. "An energy efficient link-layer security protocol for wireless sensor networks." Diss., Connect to online resource - MSU authorized users, 2006.

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Анотація:

Thesis (M.S.)--Michigan State University. Dept. of Electrical & Computer Engineering, 2006.<br>Title from PDF t.p. (viewed on Nov. 20, 2008) Includes bibliographical references (p. 49-55). Also issued in print.

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47

Ronny, Ang Toon Yiam. "Link Performance Analysis of a Ship-to-Ship Laser Communication System." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6761.

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Анотація:

The benefits of high data rates, high directionality, low sidelobes, small size, light weight, and low power of laser communications (lasercom) as compared to radio frequency (RF) communications make laser an attractive option for ship-to-ship communications. The realization of the option requires ship-to-ship lasercom system design and mission planning, which, in turn, necessitates a lasercom link budget analysis and a parametric analysis of lasercom system design and operational parameters. The link budget analysis determines whether the energy of a laser signal is adequately transmitted to

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48

Young, John Scott. "Characterisation of Fabry-Perot semiconductor lasers." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285444.

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49

Al-Orainy, Abdullah Abdulaziz. "Mutual interference in multichannel optical fibre communication system." Thesis, Bangor University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.276206.

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50

Ahmed, Alaa Hussain. "Physical layer network coding based communication systems in frequency selective channels." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3871.

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Анотація:

The demand for wireless communications is growing every day which requiresmore speed and bandwidth. In two way relay networks (TWRN), physical layer network coding (PLNC) was proposed to double the bandwidth. A TWRN is a system where two end users exchange data through a middle node called the relay. The two signals are allowed to be physically added before being broadcasted back to the end users. This system can work smoothly in flat fading channels, but can not be applied straightforward in frequency selective channels. In a multipath multi-tap FIR channel, the inter-symbol interference (ISI

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