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Teses / dissertações sobre o tema "Broadcast"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Johansson, Niklas, and Håkan Wulff. "Audio Broadcast." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1184.

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<p>This report is the written part of a bachelorthesis on the computer engineering program at</p><p>University of Halmstad. The project was a cooperate project that where done together with</p><p>Free2move Holding AB. Free2move is a company with eight employees in Sweden and four in</p><p>Malaysia. The company is today developing Bluetooth modules and RFID chips. The market for</p><p>this kind of products is growing very rapidly, last year it grew 71 percent. The most important</p><p>market for Free2move is to provide other developers with Bluetooth modules.</p><p>Free2move has recieved some i

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2

May, Gunther. "Handover im mobile broadcast." Aachen Shaker, 2009. http://d-nb.info/999573543/04.

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3

Auld, Philip Ragner. "Broadcast distributed shared memory." W&M ScholarWorks, 2001. https://scholarworks.wm.edu/etd/1539623374.

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Distributed shared memory (DSM) provides the illusion of shared memory processing to programs running on physically distributed systems. Many of these systems are connected by a broadcast medium network such as Ethernet. In this thesis, we develop a weakly coherent model for DSM that takes advantage of hardware-level broadcast. We define the broadcast DSM model (BDSM) to provide fine-grained sharing of user-defined locations. Additionally, since extremely weak DSM models are difficult to program, BDSM provides effective synchronization operations that allow it to function as a stronger memory.

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4

Lagiovane, Allyson. "#Ad: How YouTube Went From “Broadcast Yourself” to Broadcast Brands and Why It Matters." Ohio University Honors Tutorial College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1524823331933917.

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5

Das, Arindam Kumar. "Minimum power broadcast and maximization of time-to-first-failure in broadcast wireless networks /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/5912.

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6

Browne, Nathan J. James J. Light. "GPS ephemeris message broadcast simulation /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Sep%5FBrowne.pdf.

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Thesis (M.S. in Systems Technology (Joint Command, Control, and Communications (C3))--Naval Postgraduate School, September 2005.<br>Thesis Advisor(s): Dan C. Boger. Includes bibliographical references (p. 65-67). Also available online.

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7

Anderson, Kristin. "Tree Structures in Broadcast Encryption." Licentiate thesis, Linköping : Linköpings universitet, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4651.

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8

王慧霞 and Wai-ha Wong. "Efficient algorithms for broadcast routing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31214733.

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9

Vaikuntanathan, Vinod. "Randomized algorithms for reliable broadcast." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/47746.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2009.<br>Includes bibliographical references (p. 82-85).<br>In this thesis, we design randomized algorithms for classical problems in fault tolerant distributed computing in the full-information model. The full-information model is a strong adversarial model which imposes no restrictions on the computational power of the faulty players nor on the information available to them. Namely, the faulty players are infinitely powerful and are privy to all the communications in the network. Our

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10

Hall, Timothy Douglas 1970. "Radiolocation using AM broadcast signals." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/16898.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.<br>Includes bibliographical references (p. 293-294).<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>(cont.) Previous attempts at signal-of-opportunity navigation using carrier phase sidestepped the ambiguity problem by requiring that the initial position of the rover be known and that phase variations be tracked without interruption. I designed and implemented an ambiguity-fu

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11

Sergeev, Ivan A. "Network coding for anonymous broadcast." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85495.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 101-104).<br>This thesis explores the use of network coding for anonymous broadcast. Network coding, the technique of transmitting or storing mixtures of messages rather than individual messages, can provide anonymity with its mixing nature, efficiently disseminate content in multicast and broadcast networks, and resiliently deliver messages despite packet erasure and constrained network r

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12

Roy, Rishi R. (Rishi Raj) 1980. "Speech metadata in broadcast news." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/87892.

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Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.<br>Includes bibliographical references (leaf 76).<br>by Rishi R. Roy.<br>M.Eng.and S.B.

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13

Light, James J. "GPS ephemeris message broadcast simulation." Thesis, Monterey California. Naval Postgraduate School, 2005. http://hdl.handle.net/10945/2023.

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The warfighter constantly needs increased accuracy from GPS and a means to increasing this accuracy to the decimeter level is a broadcast ephemeris message containing GPS satellite orbit and clock corrections. The ephemeris message is produced at the GPS MCS (Master Control Station) which receives GPS signal data from NGA and Air Force worldwide and uses sophisticated software to produce the orbit and clock corrections. The problem is getting the ephemeris message to the tactical user in a forward operating area. This thesis proposed a notional architecture for pushing the ephemeris message to

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14

Wong, Wai-ha. "Efficient algorithms for broadcast routing /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18565402.

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15

Kowalski, Marcio Antonio. "AUDIOVISUAL: DO BROADCAST À BROADBAND." Universidade Metodista de São Paulo, 2015. http://tede.metodista.br/jspui/handle/tede/708.

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Made available in DSpace on 2016-08-03T12:30:06Z (GMT). No. of bitstreams: 1 Marcio Antonio Kowalski.pdf: 822717 bytes, checksum: b07b1e8d6f79ff2b5c7ed45608b849df (MD5) Previous issue date: 2015-04-27<br>The digital society embraces us in all of the daily aspects and a significant part of the population lives connected on multi-platforms. With the instantaneity of the communication flows, we live in a routine where many accesses are from a click or a touch away. The television as a preponderant media for many decades, in its digital transition involves a function beyond the television that w

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16

KOWALSKI, Marcio Antonio de. "AUDIOVISUAL: DO BROADCAST À BROADBAND." Universidade Metodista de Sao Paulo, 2015. http://tede.metodista.br/jspui/handle/tede/1498.

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Submitted by Noeme Timbo (noeme.timbo@metodista.br) on 2016-08-17T18:43:42Z No. of bitstreams: 1 Marcio Antonio Kowalski.pdf: 822717 bytes, checksum: b07b1e8d6f79ff2b5c7ed45608b849df (MD5)<br>Made available in DSpace on 2016-08-17T18:43:42Z (GMT). No. of bitstreams: 1 Marcio Antonio Kowalski.pdf: 822717 bytes, checksum: b07b1e8d6f79ff2b5c7ed45608b849df (MD5) Previous issue date: 2015-04-27<br>The digital society embraces us in all of the daily aspects and a significant part of the population lives connected on multi-platforms. With the instantaneity of the communication flows, we live in a r

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17

Greveler, Ulrich. "Applications of broadcast encryption schemes and related technical mechanisms for digital rights management of multimedia broadcasts." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980659051.

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18

Forss, Jonas. "Real-Time Communication over Broadcast Networks." Thesis, University of Skövde, Department of Computer Science, 1999. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-308.

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<p>Today the utilization of all kind of multimedia services in networks increases and due to this demand for real-time communication gets higher for every day. One of the most common protocols used today is Ethernet. It is of interest to find real-time protocols that are useful together with already existing protocols since it is expensive to rebuild the network infrastructure. Several new protocols have been proposed to solve the upcoming problems.</p><p>The objective of this project is to make an inventory and a comparison between Ethernet and these new protocols. During this project four di

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19

Ozan, Ezgi Can. "Audio Event Detection On Tv Broadcast." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613724/index.pdf.

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The availability of digital media has grown tremendously with the fast-paced ever-growing storage and communication technologies. As a result, today, we are facing a problem in indexing and browsing the huge amounts of multimedia data. This amount of data is impossible to be indexed or browsed by hand so automatic indexing and browsing systems are proposed. Audio Event Detection is a research area which tries to analyse the audio data in a semantic and perceptual manner, to bring a conceptual solution to this problem. In this thesis, a method for detecting several audio events in TV broadcast

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20

Sandsmark, Håkon. "Spoken Document Classification of Broadcast News." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19226.

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Two systems for spoken document classification are implemented by combining an automatic speech recognizer with the two classification algorithms naive Bayes and logistic regression. The focus is on how to handle the inherent uncertainty in the output of the speech recognizer. Feature extraction is performed by computing expected word counts from speech recognition lattices, and subsequently removing words that are found to carry little or noisy information about the topic label, as determined by the information gain metric. The systems are evaluated by performing cross-validation on broadcast

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21

Tallmarken, Manne. "Digital Predistortion for Broadcast FM repeaters." Thesis, KTH, Signalbehandling, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-53778.

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This thesis presents the design and implementation of a memoryless and adaptive digital predistorter used to linearize a power amplier. Specically, it deals with the implementation of a so-called constantgain predistorter, based on a lookup table, on a digital signal processing board built around an FPGA. The board also has two analog-to-digital converters, two digital-to-analog converters and a PIC microcontroller. By means of a high speed USB interface, input/output data to/from the system can be captured and sent to a PC. The adaptation of the constant-gain predistorter is implemented in Ma

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22

Norman, Jan M. "Accessibility of broadcast archives in Canada." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27260.

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Canada's broadcasting industry has a rich history and yet by their own admission, Canadian archivists once overlooked the value of broadcast documentation. This thesis explores the many issues which govern the acquisition, appraisal and description of broadcast records and the relevance of these issues to access and use. Because archivists have frequently discussed access to textual material, this exposition focuses on the special media records produced by the broadcasting industry: film, videotape and sound recordings. This discussion reviews the problems associated with the development of a

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23

Baldine, Ilia. "Dynamic Reconfiguration in Broadcast WDM Networks." NCSU, 1998. http://www.lib.ncsu.edu/theses/available/etd-19980723-230505.

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<p>In this research we study the problems associated with dynamic reconfiguration of broadcast WDM networks.Adaptability to the changing traffic conditions is viewed as one of the key features of multiwavelength optical networks, and this is the first comprehensive in-depth study of this problem area.Our contribution consists of identifying the three main questions related to network reconfiguration: a) how to balance the load across multiple wavelengths; b) deciding when it is best to reconfigure the network and c) performing the actual reconfiguration in an efficient manner, that minimizes c

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24

Hussain, Sarfraz. "Anti-skywave AM broadcast antenna design." Thesis, Monterey, California: U.S. Naval Postgraduate School, 1987. http://hdl.handle.net/10945/22629.

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25

May, Gunther [Verfasser]. "Handover im Mobile Broadcast / Gunther May." Aachen : Shaker, 2009. http://d-nb.info/116130035X/34.

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26

Pereira, Manuela Alexandra Trigo Miranda de Sousa. "Video coding in a broadcast environment." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/62328.

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Thesis (M.S.)--Massachusetts Institute of Technology, Program in Media Arts & Sciences, 1993.<br>Includes bibliographical references (leaves 79-81).<br>by Manuela Alexandra Trigo Miranda de Sousa Pereira.<br>M.S.

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27

Ali, Ahmed Mohamed Abdel Maksoud. "Multi-dialect Arabic broadcast speech recognition." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31224.

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Dialectal Arabic speech research suffers from the lack of labelled resources and standardised orthography. There are three main challenges in dialectal Arabic speech recognition: (i) finding labelled dialectal Arabic speech data, (ii) training robust dialectal speech recognition models from limited labelled data and (iii) evaluating speech recognition for dialects with no orthographic rules. This thesis is concerned with the following three contributions: Arabic Dialect Identification: We are mainly dealing with Arabic speech without prior knowledge of the spoken dialect. Arabic dialects could

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28

Mödinger, David [Verfasser]. "Broadcast privacy for blockchains / David Mödinger." Ulm : Universität Ulm, 2021. http://d-nb.info/1240314361/34.

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29

Almeida, Miguel Fernando Dias de. "Soluções de broadcast para redes 4G." Master's thesis, Universidade de Aveiro, 2006. http://hdl.handle.net/10773/4672.

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Mestrado em Engenharia Electrónica e de Telecomunicações<br>A primeira difusão de conteúdos video e audio teve um forte impacto no quotidiano da população que assistiu a uma revolução nos modelos de transmissão de informação e de entretenimento. A evolução desde então foi significativa, e já na era digital, encontramo-nos face a uma nova sub-elevação da metodologia e do conceito subjacentes à transmissão de conteudos multimédia. O mundo actual apresenta, contudo, diferentes requisitos, de entre os quais se destacam a procura pela alta definição e mobilidade. A mobilidade tem sido um particular

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30

Foltz, Kevin Bruck Jehoshua. "Periodic broadcast scheduling for data distribution /." Diss., Pasadena, Calif. : California Institute of Technology, 2002. http://resolver.caltech.edu/CaltechETD:etd-05132005-151145.

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31

Wu, Leilei. "MIMO broadcast channels with limited feedback." Thesis, The University of Sydney, 2009. https://hdl.handle.net/2123/28231.

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With the integration of internet and multimedia applications in next generation wireless com— munications, the demand for high speed communication techniques is growing. As the radio spectrum is limited, high speed data transmission can only be achieved by adopting more efficient systems. Multiple—input multiple—output (MIMO) technologies have been proven to be capable of achieving a better system gain and have the advantage of improving system throughput and error performance by exploiting the spatial diversity, due to the multiple independent transmit—receive paths. A simple techniq

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32

Quanbeck, Aaron. "A Rhetorical/Interpretive Analysis of Edward R. Murrow's Criticism of Broadcast Journalism: Implications for Broadcast Journalism Educators." Diss., North Dakota State University, 2012. https://hdl.handle.net/10365/26745.

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Corporate influence has been an ongoing concern for working journalists. Even in the early days of television, Edward R. Murrow saw a bleak future for society if broadcasters succumbed to corporate greed and failed in their responsibility to inform the public. This rhetorical study of Murrow's 1958 speech to the Radio-Television News Directors Association, guided by Perelman's theory of the universal audience and presence, argues that Murrow's speech prioritized broadcast journalism's obligation to a democratic society and warned that commercial intrusion was impacting the profession's moral o

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33

Morales, Jose I. "Tactical DMS : a global broadcast service option /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA311435.

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Thesis (M.S. in Systems Technology [Command, Control and Communications (C3)]) Naval Postgraduate School, June 1996.<br>Thesis advisor(s): D.v.Z Wadsworth, R. Buddenberg, Carl R. Jones. "June 1996." Includes bibliographical references. Also available online.

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34

Olmo, Alòs Jaume del. "Polar coding for the wiretap broadcast channel." Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/668910.

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In the next era of communications, where heterogeneous, asynchronous and ultra-low latency networks are drawn on the horizon, classical cryptography might be inadequate due to the excessive cost of maintaining a public-key infrastructure and the high computational capacity required in the devices. Moreover, it is becoming increasingly difficult to guarantee that the computational capacity of adversaries would not be able to break the cryptograms. Consequently, information-theoretic security might play an important role in the future development of these systems. The notion of secrecy in this c

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35

Gundlegård, David. "Automotive Telematics Services based on Cell Broadcast." Thesis, Linköping University, Department of Science and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2003.

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<p>Cell Broadcast is a relatively old technique within the GSM-network which makes it possible to broadcast text messages to one or more cells in the network. As efforts in Sweden have been made to develop both traffic safety and information technology, the automotive telematics market is predicted to grow rapidly in the near future. The characteristics of Cell Broadcast make it especially suitable for automotive telematics services. The main purpose of this thesis is to investigate possible automotive telematics services based on Cell Broadcast and how these services can affect traffic safety

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36

Hesselius, Tobias, and Tommy Savela. "A Java Framework for Broadcast Encryption Algorithms." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2504.

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<p>Broadcast encryption is a fairly new area in cryptology. It was first addressed in 1992, and the research in this area has been large ever since. In short, broadcast encryption is used for efficient and secure broadcasting to an authorized group of users. This group can change dynamically, and in some cases only one-way communication between the sender and receivers is available. An example of this is digital TV transmissions via satellite, in which only the paying customers can decrypt and view the broadcast. </p><p>The purpose of this thesis is to develop a general Java framework for impl

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37

Siebert, Christian. "Efficient Broadcast for Multicast-Capable Interconnection Networks." Master's thesis, Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200601822.

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The broadcast function MPI_Bcast() from the MPI-1.1 standard is one of the most heavily used collective operations for the message passing programming paradigm. This diploma thesis makes use of a feature called "Multicast", which is supported by several network technologies (like Ethernet or InfiniBand), to create an efficient MPI_Bcast() implementation, especially for large communicators and small-sized messages. A preceding analysis of existing real-world applications leads to an algorithm which does not only perform well for synthetical benchmarks but also even better for a wide class of pa

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38

Pang, Joseph Wai Ming. "Mean delay analysis for unidirectional broadcast structures." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25104.

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Unidirectional broadcast structures constitute a class of high performance local network architectures. They are very flexible and well suited for fiber optic implementation. The access methods used in these networks are often based on certain implicit token-passing mechanisms to provide superior delay-vs-throughput characteristics. The performance of these unidirectional broadcast protocols is evaluated in this thesis via a study on the classical token-ring system. Emphasis is placed on the analysis of mean delay-vs-throughput performance for the gated exhaustive service discipline under asym

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39

Christodoulou, Louis. "A hybrid unicast broadcast content delivery framework." Thesis, University of Surrey, 2016. http://epubs.surrey.ac.uk/812285/.

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The era of ubiquitous access to a rich selection of interactive and high quality multimedia has begun; with it, the term "data tsunami" has been coined to describe the impending wave of data traffic set to overwhelm mobile networks. Understandably, this has focused the efforts of the research community, achieving notable advances in compression algorithms, further reducing the bitrate of multimedia, as well as spectral efficiency improvements on the channels with which it is delivered. As it stands, these advances alone will soon be outpaced by the continued growth of demand. Research into thi

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40

Affleck, Ian Andrew. "Minimizing expected broadcast time in unrealiable networks." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ61619.pdf.

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41

Mohammadi, Tari Shervin. "Automatic initialization for broadcast sports videos rectification." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/39969.

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Broadcast sport videos can be captured by a static or a moving camera. Unfortunately, the problem with a moving camera is that planar projective transformations (i.e., the homographies) have to be computed for each image frame in a video sequence in order to compensate for camera motions and viewpoint changes. Recently, a variety of methods have been proposed to estimate the homography between two images based on various correspondences (e.g., points, lines, ellipses matchings, and their combinations). Since the frame to frame homography estimation is an iterative process, it needs an initial

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42

Yu, Shuang. "Automatic basketball tracking in broadcast basketball video." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43072.

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We proposed and implemented an automatic basketball detection and tracking system for broadcast basketball video recorded with a single pan-tilt-zoom camera, using knowledge of player tracking information. The task is challenging because the basketball is blurred due to the camera and the ball's fast movements, and broadcast video compression; also the motion pattern of the basketball is complicated and the ball is hard to distinguish from the cluttered background region. We incorporated three independent detection approaches to detect the basketball and tracked the basketball using the Kalman

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43

Markman, Martin Alexander Jarnfeld, and Stian Tokheim. "Reliable Broadcast Contribution over the Public Internet." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19294.

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Broadcast contribution is point-point media transfer from recording sites to local editing studios, between studio facilities and to distribution centers. The contribution phase has strict Quality of Service (QoS) requirements to reliability and bandwidth - any error might degrade end users Quality of Experience (QoE) in the consecutive distribution phase. Dedicated IP contribution networks has become the preferred technology for contribution from content creation sites. Occasionally, however, contribution happens at a site without access to a dedicated IP contribution network - in which case

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44

Martin, Thomas. "A set theoretic approach to broadcast encryption." Thesis, Royal Holloway, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415905.

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45

Birch, Elizabeth S. "Global Broadcast Service for the expeditionary warrior." Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8447.

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Approved for public release; distribution is unlimited<br>The battlefield has changed tremendously during the past decade due to major technical innovations. These changes have resulted in a requirement for high-speed, multimedia communications and greater bandwidth capabilities. Global Broadcast Service (GBS) technology is a military application of the commercial system Direct TV and is one way the military can address the need for greater bandwidth. Many of the two way systems in the MlLSATCOM architecture could be relieved of their burden by use of GBS. This thesis focuses on the Marine Cor

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46

Shi, Lei. "Efficient Spectrum Utilization of Uhf Broadcast Band." Doctoral thesis, KTH, Kommunikationssystem, CoS, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146078.

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The UHF band between 470-790 MHz, currently occupied by digital ter- restrial TV (DTT) distribution in Europe, is widely regarded as a premium spectrum band for providing mobile coverage. With the exponential increase in wireless data traffic in recent years, there has been growing interests in gaining access to this spectrum band for wireless broadband services. The secondary access in TV White Space is considered as one cost-effective way to reuse the spectrum unoccupied by the primary DTT network. On the other hand, the declining influence of DTT and the converging trends of video con- sump

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Suddle, Muhammad Riaz. "Speech coding in private and broadcast networks." Thesis, University of Surrey, 1996. http://epubs.surrey.ac.uk/1019/.

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Daka, J. S. J. "Broadcast file distribution on packet satellite networks." Thesis, University of Essex, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235266.

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Keeling, Simon James. "Visual broadcast meteorology : communicating the weather story." Thesis, University of Birmingham, 2009. http://etheses.bham.ac.uk//id/eprint/8829/.

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Many millions of people watch television weather forecasts everyday, but a detailed analysis of the information such forecasts convey and how and why viewers watch them has not previously been undertaken. New technology is presenting television stations with both challenges and opportunities. Viewers no longer have to rely on watching a forecast at a time dictated by the television station, they can now choose when, where and how to watch forecasts. This thesis reviews the visual presentation of weather forecasts from paintings of the 14th Century to the latest on-demand technology. Viewers ar

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Jagannathan, Krishna Prasanna. "Efficient scheduling of multi-antenna broadcast systems." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38325.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.<br>Includes bibliographical references (p. 65-67).<br>In this thesis, we study the problem of efficiently scheduling users in a multi-antenna Gaussian broadcast channel with 1M transmit antennas and K independent receivers each with a single receive antenna. We first focus on a scenario with two transmit antennas and statistically identical users, and analyze the gap between the full sum capacity and the rate that can be achieved by transmitting to a suitably selected pair of users

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