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Dissertations / Theses on the topic 'Satellite telecommunication'

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Published: 4 June 2021

Last updated: 1 February 2022

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1

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

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This thesis investigates the modelling of fade countermeasures (FCMs) for the design of geostationary Ka band digital satellite communication systems. The analysis focuses on a typical low-power low-rate very small aperture terminal application using adaptive forward error correction as a way of counteracting the high level of detected dynamic atmospheric fading. The management and performance of such systems is conditioned greatly by the ability of practical controllers at detecting the actual level of total signal attenuation. At 20 or 30 GHz, rain attenuation and tropospheric scintillation

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2

Kaul, Ranjana 1951. "Regulation of satellite telecommunications in India." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83954.

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Commercialization of space activities particularly harnessing satellites for telecommunication in the 1970's is perhaps the most dynamic development of the twentieth century comparable only to the industrial revolution of the seventeenth century. The possibilities of civilian applications of satellite technology confined to its military use until the recent past has raised urgent questions of policy and regulations both nationally and internationally.<br>The main objective of the thesis is to review the development of satellite telecommunication with particular reference to India. The t

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3

Nasta, Rodolphe. "TELECOMMUNICATION SATELLITE TELEMETRY TRACKING AND COMMAND SUB-SYSTEM." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607355.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California<br>This paper gives an overview on Telemetry, Tracking and Command (TTC) sub-system that are used onboard some telecommunication satellites. Then, a description of the equipments of such a sub-system is given, together with the main performances.

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4

Score, Robert H. "An examination of XM satellite subscriber's perceptions of satellite radio compared to traditional AM/FM radio." Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 2002. http://www.kutztown.edu/library/services/remote_access.asp.

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Thesis (M.S.)--Kutztown University of Pennsylvania, 2002.<br>Source: Masters Abstracts International, Volume: 45-06, page: 2720. Typescript. Abstract precedes thesis as preliminary leaves 1-2. Includes bibliographical references (leaves 34-35).

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5

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

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Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2010.<br>Stable and reliable source of electrical energy is a requirement for efficient operation of satellites. Several sources of electrical power for satellites exist such as fuel cells, nuclear or battery stored Direct Current energy but of late concentration has been on solar cells as the advantages compared to the other sources are many. Solar cells are p-n semiconductor devices which convert light energy into electrical energy by photovoltaic effect. The biggest drawback of solar cell energy system is

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6

Smith, William Whitfield Jr. "A satellite interference location system." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/16879.

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7

Borgsmiller, Scott A. "Effects of atmospheric scintillation in K[a]-band satellite communications." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/14982.

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8

Alouini, Mohamed-Slim. "Impact of the atmosphere on K [subscript a]-Band satellite communication systems." Thesis, Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/15364.

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9

Sarrocco, Claudia. "Legal aspects of the mobile satellite telecommunications services." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31173.

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Thanks to the use of satellite technology, mobile personal telecommunications systems are able to provide communications simultaneously anywhere on the Earth's surface. The implementation of such systems raises several regulatory issues: after a brief explanation of the technical characteristics of different satellite systems in the first chapter, the second chapter will introduce the principles of space law relevant to satellite communications, with particular attention to the provisions which the development of global satellite telecommunication system could infringe. In the third chapter, t

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10

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

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11

Harrell, Andre T. "Wireless technology via satellite communications for peacekeeping operations." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://library.nps.navy.mil/uhtbin/hyperion-image/01Sep%5FHarrell.pdf.

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Thesis (M.S. in Information Systems Technology)--Naval Postgraduate School, September 2001.<br>Thesis advisor(s): Tri T. Ha, Nancy Roberts. Includes bibliographical references (p. 85-87). Also available online.

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12

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

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13

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

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14

Narasimhan, Priya. "An evaluation of realistic TCP traffic in satellite networks." Ohio : Ohio University, 2002. http://www.ohiolink.edu/etd/view.cgi?ohiou1020344432.

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15

Oiesen, Eric A. "A satellite signal recognition system." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09052009-040513/.

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16

Smith, David. "Satellite data transmission by means of a multi-channel system." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/1213.

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17

Thompson, Richard. "Evaluating TCP/IP performance over satellite networks." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49954.

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Thesis (MScEng) -- Stellenbosch University, 2004.<br>ENGLISH ABSTRACT: Interest in TCP/IP as a communication protocol for use in space communication has increased substantially with the growth of the world wide web (WWW). TCP/IP is a relevant communication protocol for space based communication systems that need to access the broader terrestrial communication network. Low Earth Orbit(LEO) satellites have very short delay times between themselves and the ground, and correspondingly very short connection times. Staying in contact with a LEO satellite continuously through a space-based net

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18

Maggenti, Mark A. "Spread spectrum satellite multiple access and overlay service." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/45769.

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<p>This thesis presents two applications of spread spectrum technology to very small aperture terminal (VSAT) satellite communication networks. It describes two spread spectrum multiple access systems which use a form of noncoherent M-ary FSK (MFSK) as the primary modulation and analyzes their throughput. The analysis considers such factors as satellite power constraints and adjacent satellite interference. It considers the effect of onâ board processing on the multiple access efficiency and investigates the feasibility of overlaying low data rate spread spectrum signals on existing sat

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19

Ah-Thew, George Patrick. "Doppler compensation for LEO satellite communication systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/NQ42831.pdf.

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20

Botha, Jakobus Stephanus. "A reusable signal processing architecture for satellite based communication systems." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6503.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2011.<br>ENGLISH ABSTRACT: Keywords: digital signal processing, embedded systems, telecommunications, satellite technology. The rapid growth of the telecommunications industry is a worldwide phenomenon with people and computers generating and transmitting more and more information daily. Despite this growth, there are still areas in South Africa which lack terrestrial communications coverage. People inhabit these rural areas and their essential communication needs are not met. Satellite based communicat

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21

Uzunalioğlu, Hüseyin. "Mobility management for Low Earth Orbit (LEO) satellite networks." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/13703.

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22

Foster, Mark. "A delay-efficient satellite network for multimedia communication a pilot study /." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1000123.

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Thesis (M.S.)--University of Florida, 2002.<br>Title from title page of source document. Document formatted into pages; contains viii, 100 p.; also contains graphics. Includes vita. Includes bibliographical references.

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23

Maluleke, Enock Vongani. "Satellite-based web server." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53040.

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Thesis (MScEng)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: There is a large variety of telemetry recervmg software currently available for the reception of telemetry information from different satellites. Most of the software used in receiving telemetry data is satellite specific. Hence, a user-friendly way is needed to make telemetry data easily accessible. A satellite-based web server is aimed at providing telemetry information to any standard web browser as a way of bringing space technology awareness to the people. Two different satellite-based web server methods are examin

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24

Yuen, Kwan Hung. "TCP performance over satellite networks /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?COMP%202003%20YUEN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 68-71). Also available in electronic version. Access restricted to campus users.

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25

Smith, William Travis. "Statistical modeling for land mobile satellite communications." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91072.

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The Land Mobile Satellite System (LMSS) to be available in the 1990 time frame will provide connection between mobile vehicles and the conventional terrestrial communication network. The design is dependent on the propagation characteristics of the land mobile satellite signal. Unlike fixed satellite links, there is blockage in the line of sight path, mainly in the form of vegetative shadowing. The focus of this study is to develop models for the fading of the received satellite signal. A brief review of the physics and statistics associated with mobile propagation is presented. This is follow

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26

Marzolini, Remo G. A. "Demodulator techniques in satellite communications systems for direct broadcast systems." n.p, 1995. http://ethos.bl.uk/.

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27

Stelianos, Haralambos. "The use of commercial Low Earth Orbit satellite systems to support DoD communications." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA326969.

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Thesis (M.S. in Electrical Engineering) Naval Postgraduate School, December 1996.<br>"December 1996." Thesis advisor(s): Tri T. Ha and Vicente Garcia. Includes bibliographical references (p. 95-97). Also available online.

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28

Schmier, Robert Gordon. "Fade durations in satellite-path mobile radio propagation." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91053.

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Fades on satellite to land mobile radio links are caused by several factors, the most important of which are multipath propagation and vegetative shadowing. Designers of vehicular satellite communications systems require information about the statistics of fade durations in order to overcome or compensate for the fades. Except for a few limiting cases, only the mean fade duration can be determined analytically, and all other statistics must be obtained experimentally or via simulation. This report describes and presents results from a computer program developed at Virginia Tech to simulate s

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29

Marais, Hendrik Gideon. "Development of dynamically reconfigurable ground station software." Thesis, Link to the online version, 2007. http://hdl.handle.net/10019/675.

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30

Chambers, Andrew. "Viability of high availability V band satellite communication using hybrid fade mitigation." Thesis, University of South Wales, 2008. https://pure.southwales.ac.uk/en/studentthesis/viability-of-high-availability-kband-satellite-communication-using-hybrid-fade-mitigation(fba7e074-6d1b-4b4f-8c59-53b835a55e4e).html.

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The C and Ku bands that have been the backbone of satellite telephony and data networks in the past are limited in the amount of bandwidth they provide. Consequently, some broadband Internet services have started to move into the Ka band in order to utilise the bandwidth at these higher frequencies. The use of higher frequencies led to fade mitigation design considerations that had not previously been necessary, as fixed power margins had been sufficient to guarantee high availability. This thesis reviews the majority of fade mitigation techniques that are available and simulates a scenario wi

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31

Wang, Cou-way. "Optimization of orbital assignment and specification of service areas in satellite communications /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu148726636233915.

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32

Benguira, Audrey Shoshana. "International cooperation in the private satellite communications sector : enhancing commercial exploitation of outer space." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=78202.

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Even though international cooperation traditionally is a concept encountered in public international law, it has an important role to play in the private satellite communications sector. Satellite communications being activities that intrinsically have a global outreach, mutatis mutandis they require legal rules that would not focus on purely regional or local interests. National and international space law have for the past decade encountered criticism with respect to obvious insufficiencies that in turn affected space activities. The first reaction of learned space lawyers was to call

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33

Laster, Jeff D. "Frequency scaling of rain attenuation on satellite links in the Ku/Ka-bands using OLYMPUS satellite data." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06162009-063211/.

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34

Hayes, David Paul. "Performance analysis of VSAT networks." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/44052.

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<p>Very small aperture terminal (VSAT) networks offer a solution to the increasing demand for low-density voice and data communications. Spread Spectrum and single-channel-per-carrier (SCPC) transmission techniques work well for multiple access purposes while allowing the earth station antennas to remain small. Direct sequence code division multiple access (DS-CDMA) is the simplest spread spectrum technique to use in a VSAT network, since a frequency synthesizer is not required for each terminal. This thesis examines DS-CDMA and SCPC Ku-band VSAT satellite systems for low-density (64 kb

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35

Sullivan, P. Brian. "Action plan to implement satellite video communications at Air Products and Chemicals, Inc." Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 1989. http://www.kutztown.edu/library/services/remote_access.asp.

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36

Hayes, Christopher. "Analyzing the performance of new TCP extensions over satellite links." Ohio : Ohio University, 1997. http://www.ohiolink.edu/etd/view.cgi?ohiou1177439390.

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37

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

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38

Kassianides, Constantinos N. "A study of the effects of scintillation on digital satellite communication systems." Thesis, University of South Wales, 2002. https://pure.southwales.ac.uk/en/studentthesis/a-study-of-the-effects-of-scintillation-on-digital-satellite-communication-systems(19190903-59f8-4350-9a59-2d2a70e1a623).html.

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The growth of satellite communication industry and the need to offer new and better services, to compete with optical fiber systems, have driven the satellite industry to search for higher bandwidth and improved cost of services. Higher frequency bands, such as Ka and V-band, came into play. These frequency bands have the advantage of efficient use of spectrum, the ability to transfer data at much higher rates, and the use of smaller antennas resulting in lower cost for the user. A major drawback though, is the severity of propagation impairments. Scintillation becomes important for low-fade m

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39

Noon, James P. "Design of a multi-module multi-phase battery charger for the NASA EOS space platform testbed." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-08222009-040443/.

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40

Van, Wyk Hendrik Petrus Daniel. "Design and construction of a modem for satellite use." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86580.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: In this thesis the design and testing of the baseband components of a modem intended for use as a telemetry and control link for a low earth orbit satellite is presented. This includes parts of the physical layer as well as a basic data-link layer. Binary phase-shift keying (BPSK) is used as the modulation scheme and is realised by making use of software defined radio on a standard x86 computer with digital to analogue and analogue to digital converters that use a universal serial bus (USB) connection. The data-link lay

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41

Prins, Christian. "Problemes d'optimisation de ressources dans les systemes de telecommunications par satellite utilisant l'amrt (acces multiple a repartition dans le temps)." Paris 6, 1988. http://www.theses.fr/1988PA066495.

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Le probleme pose par ces systemes de telecommunications par satellite est d'acheminer un trafic donne avec un minimum d'equipements. Dans cette these, les problemes d'optimisation correspondants sont repertories et modelises

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42

Barts, Robert Michael. "Statistical modeling and simulation of mobile satellite propagation." Thesis, Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/80107.

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Land mobile satellite systems that are currently being designed for implementation in the next decade will need to operate in the presence of propagation effects such as vegetative shadowing and multipath that will cause signal fading. This paper discusses the statistical modeling and simulation of the land mobile satellite fading environment. Simple models are developed to approximate the complex analytical expressions for the fade distributions. The Average Path Model, which relates the physical parameters of the vegetation along the path to the propagation model parameters, is verified and

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43

Beachem, Thomas Andrew. "In-orbit testing of satellite TWTA's without commercial traffic interference." Thesis, Virginia Tech, 1986. http://hdl.handle.net/10919/45745.

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TWTAs (Traveling Xhuna Tube Amplifiers) are presently the primary life-limiting element of a communications satellite transponder. Satellite operators rely on spare ‘TWTAs to ensure that most of the transponders will be operating at the spacecraft end·of-life. We wish to track the °health° of the operating TWTAs in order to accurately predict the remaining useful lifetime of the satellite transponder. This information is very useful for system planning and risk assessment. The primary failure mechanism of a TWTA is cathode deactivation, symptoms of which are measurable from an earth station.

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44

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

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This thesis looks at the development of Canadian satellite policy between 1960 and 1980 through a study of the policy decisions relating to Telesat Canada, its specific corporate structure, and mandates and ownership patterns. The analysis draws upon a modified "interplay" model, which examines public policy as an amalgam of interacting ideas, interests and institutions. On the basis of available documents, supplemented by interviews, and supporting secondary analyses, the sometimes contradictory decisions made by the DOC and the CRTC with regards to Telesat's Agreement with the Trans Canada T

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45

Polaha, James Henry. "An analysis of low-earth-orbit-satellite communication systems." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/74533.

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There is an ever increasing need for low-cost communication systems in the world. One such system, low-earth-orbit satellites, can provide store-and-forward, as opposed to real time, communication for many earth stations. The advantages and disadvantages of such a system is presented. Material covering protocols and communications architectures is elaborated upon for the use of amateur radio communications. Doppler shift and its effect on satellites in low-earth-orbit is examined. Efficiency and throughput of the Amateur X.25 Protocol will be explored. The last chapter entails the analysis of

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46

Ozden, Mehmet T. "Calculated noise performance of a frequency hop sequence system with applications to low altitude satellite communications." Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA242158.

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Thesis (Master of Science in Electrical Engineering)--Naval Postgraduate School, December 1990.<br>Thesis Advisor: Myers, Glen A. Second Reader: Ha, Tri T. "December 1990." Description based on title screen as viewed on March 30, 2010. DTIC Identifier(s): Antijamming, multipath transmission, frequency hopping, satellite communications, interference, noise, theses. Author(s) subject terms: Frequency hopping, satellite communications. Includes bibliographical references (p. 44). Also available in print.

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47

Erasmus, J. M. (Johan Michiel). "Design of a mobile field station for LEO satellite communications." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51677.

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Thesis (MEng)--University of Stellenbosch, 2000.<br>ENGLISH ABSTRACT: This document describes the breadboard design and practical evaluation of a mobile field station, capable of communicating with the SUNSAT micro satellite. A study of existing satellite communication systems employing LEO satellites, as well as the physical phenomena, influencing the VHF communication link between earth and such satellites was done and used to determine the specifications needed for a functional field station. The design entailed work on different building blocks like a receiver, transmitter and mode

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48

Ituen, Iniabasi E. "Optimisation of free space optical communication for satellite and terrestrial applications." Thesis, University of Sussex, 2017. http://sro.sussex.ac.uk/id/eprint/67652/.

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The future of global telecommunications looks even more promising with the advent of Free Space Optics (FSO) to complement Fibre Optics technology. With the main impairments to Free Space Optics known to be diffraction and atmospheric turbulence, it is critical to adequately characterise the atmospheric medium for effective FSO system design. Most laser sources can be designed to produce Gaussian-like beam profiles, which suffer from diffraction issues. To address this, a non-diffracting beam called the Bessel beam is introduced; its central core has been proven to be resistant to diffractive

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49

Savvaris, Ali. "Accurate prediction of scintillation degradation applicable to satellite communications systems design." Thesis, University of South Wales, 2004. https://pure.southwales.ac.uk/en/studentthesis/accurate-prediction-of-scintillation-degradation-applicable-to-satellite-communication-systems-design(0eccf0ee-03c6-4816-87f5-2de4197b3863).html.

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Satellite communication was operated exclusively in C-bandprior to 1970. Since then there has been an explosive growth in the demand for telecommunication services that are either only feasible via satellite or very cost effective by that means. This has prompted a steady growth in the utilization of higher frequencies in the Ku-band and above. The higher frequencies offer various advantages such as increased bandwidth, smaller antennas, and smaller satellite footprints that give higher EIRP permitting greater frequency reuse. The main drawback however is that they are subject to more severe p

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50

Terry, John D. "Blind adaptive array techniques for mobile satellite communications." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/13425.

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