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Dissertations / Theses on the topic 'Communicating matrix'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Cunningham, James H. "Juxtaposed Integration Matrix a crisis communication tool /." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0009781.

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2

Hoydis, Jakob. "Random matrix theory for advanced communication systems." Phd thesis, Supélec, 2012. http://tel.archives-ouvertes.fr/tel-00765458.

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Advanced mobile communication systems are characterized by a dense deployment of different types of wireless access points. Since these systems are primarily limited by interference, multiple-input multiple-output (MIMO) techniques as well as coordinated transmission and detection schemes are necessary to mitigate this limitation. Thus, mobile communication systems become more complex which requires that also the mathematical tools for their theoretical analysis must evolve. These must be able to take the most important system characteristics into account, such as fading, path loss, and interf

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3

Khabou, Amal. "Dense matrix computations : communication cost and numerical stability." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00833356.

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Cette thèse traite d'une routine d'algèbre linéaire largement utilisée pour la résolution des systèmes li- néaires, il s'agit de la factorisation LU. Habituellement, pour calculer une telle décomposition, on utilise l'élimination de Gauss avec pivotage partiel (GEPP). La stabilité numérique de l'élimination de Gauss avec pivotage partiel est caractérisée par un facteur de croissance qui est reste assez petit en pratique. Toutefois, la version parallèle de cet algorithme ne permet pas d'atteindre les bornes inférieures qui ca- ractérisent le coût de communication pour un algorithme donné. En ef

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4

Cook, Christi Dionne. "Illuminating epithelial-stromal communication using engineered synthetic matrix microenvironments." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115753.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Biological Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Mucosal barrier tissues are prominent targets for drugs against infection and chronic inflammatory disorders. One such mucosal barrier tissue, the endometrium, undergoes monthly cyclic remodeling via hormone-mediated growth, immune cell recruitment and proteolytic breakdown. Hormone response disruption has been associated with numerous endometrial pathologies, including endometriosis, adenomyosis, and infertility,

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ZHOU, SIYUAN. "Finite Random Matrix Theory Analysis of Multiple Antenna Communication Systems." Doctoral thesis, Politecnico di Torino, 2015. http://hdl.handle.net/11583/2601779.

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Multiple-antenna systems are capable of providing substantial improvement to wireless communication networks, in terms of data rate and reliability. Without utilizing extra spectrum or power resources, multiple-antenna technology has already been supported in several wireless communication standards, such as LTE, WiFi and WiMax. The surging popularity and enormous prospect of multiple-antenna technology require a better understanding to its fundamental performance over practical environments. Motivated by this, this thesis provides analytical characterizations of several seminal performance me

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Hewitt, James. "Using matrix training procedures to develop spontaneous and functional symbol communication." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294707.

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7

Srikanthan, Sasiharan Sudeshna. "An investigation of matrix switching topologies and algorithms." Thesis, University of Hertfordshire, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315633.

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8

Ost, Alexander. "Performance of communication systems : a model-based approach with matrix-geometric methods /." New York : Springer, 2001. http://opac.nebis.ch/cgi-bin/showAbstract.pl?u20=354041438X.

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9

Røsdal, Trude. "Leadership and leadership communication in a matrix structured organization : some critical factors." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-763.

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<p>This case study has shown how nearly every success and failure in the matrix structured Segment X was a result of leadership behaviour. If Project I was to be an unreserved success every leader on every level had to succeed in their efforts. After having interviewed employees and leaders, and observed several meetings the overall impression was of a well-functioning, mature matrix organization. However, it is not correct to say that Project I was an unreserved success. There were some areas within the matrix structure that appeared to be more troublesome than others. After having examined e

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10

Ost, Alexander. "Performance of communication systems : a model based evaluation with matrix geometric methods /." Berlin ; Heidelberg [u.a.] : Springer, 2001. http://swbplus.bsz-bw.de/bsz090497023inh.htm.

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11

Brandt, Rasmus. "Polynomial Matrix Decompositions : Evaluation of Algorithms with an Application to Wideband MIMO Communications." Thesis, Uppsala universitet, Signaler och System, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-134389.

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The interest in wireless communications among consumers has exploded since the introduction of the "3G" cell phone standards. One reason for their success is the increasingly higher data rates achievable through the networks. A further increase in data rates is possible through the use of multiple antennas at either or both sides of the wireless links. Precoding and receive filtering using matrices obtained from a singular value decomposition (SVD) of the channel matrix is a transmission strategy for achieving the channel capacity of a deterministic narrowband multiple-input multiple-output (M

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Perez-Ramirez, Javier. "Relay Selection for Multiple Source Communications and Localization." International Foundation for Telemetering, 2013. http://hdl.handle.net/10150/579585.

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ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV<br>Relay selection for optimal communication as well as multiple source localization is studied. We consider the use of dual-role nodes that can work both as relays and also as anchors. The dual-role nodes and multiple sources are placed at fixed locations in a two-dimensional space. Each dual-role node estimates its distance to all the sources within its radius of action. Dual-role selection is then

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Perez-Ramirez, Javier. "An Opportunistic Relaying Scheme for Optimal Communications and Source Localization." International Foundation for Telemetering, 2012. http://hdl.handle.net/10150/581448.

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ITC/USA 2012 Conference Proceedings / The Forty-Eighth Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2012 / Town and Country Resort & Convention Center, San Diego, California<br>The selection of relay nodes (RNs) for optimal communication and source location estimation is studied. The RNs are randomly placed at fixed and known locations over a geographical area. A mobile source senses and collects data at various locations over the area and transmits the data to a destination node with the help of the RNs. The destination node not only needs to collect

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Tran, Tuan-Anh. "Multiple-input multiple-output optical wireless communications." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:094fbe23-88c3-49c4-b64b-a1de40674123.

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Visible-light optical wireless communications (OWC) is a potential technology that can help resolve the crowdedness of the radio-frequency bands, whilst conveniently exploiting energy-saving light-emitting diodes (LEDs) as transmitters for both illumination and communications. Since there usually are many LEDs in a lighting unit, OWC has a multi- input multi-output (MIMO) geometry which, thanks to its channel diversity, can offer wireless local networks at data-rates many times higher than possible with single-channel systems. In such systems, MIMO-detection methods to separate the different o

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Massagli, Sérgio Roberto. "Em busca do espaço perdido em Matrix : do terrorismo teórico à violência simbólica /." Bauru : [s.n.], 2005. http://hdl.handle.net/11449/89440.

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Orientador: Nelyse Apparecida Melro Salzedas<br>Banca: Antonio Carlos de Jesus<br>Banca: Valdevino Soares de Oliveira<br>Resumo: O objetivo deste trabalho é mostrar como Matrix é o exemplo mais representativo do que se costuma chamar de filme de ficção cyberpunk e como o filme expõe e propõe como matéria conceitual básica o acesso a um novo topos, ou melhor, um u-topos, um não-espaço, também chamado de hiperespaço. No filme, um espaço para onde nossa subjetividade foi transportada e escravizada, enquanto nossos corpos jazem dóceis, subjugados e adormecidos em úteros mecânicos, sendo alimentado

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Girnyk, Maksym. "A Statistical-Physics Approach to the Analysisof Wireless Communication Systems." Doctoral thesis, KTH, Kommunikationsteori, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-149868.

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Multiple antennas at each side of the communication channel seem to be vital for future wireless communication systems. Multi-antenna communication provides throughput gains roughly proportional to the smallest number of antennas at the communicating terminals. On the other hand, multiple antennas at a terminal inevitably increase the hardware complexity of the latter. For efficient design of such systems relevant mathematical tools, capable of capturing the most significant features of the wireless multi-antenna channel - such as fading, spatial correlation, interference - are essential. This

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Massagli, Sérgio Roberto [UNESP]. "Em busca do espaço perdido em Matrix: do terrorismo teórico à violência simbólica." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/89440.

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Made available in DSpace on 2014-06-11T19:24:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2005Bitstream added on 2014-06-13T20:28:06Z : No. of bitstreams: 1 massagli_sr_me_bauru.pdf: 1536916 bytes, checksum: 1bba9694c744b08cd501ec8dab24ffc6 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O objetivo deste trabalho é mostrar como Matrix é o exemplo mais representativo do que se costuma chamar de filme de ficção cyberpunk e como o filme expõe e propõe como matéria conceitual básica o acesso a um novo topos, ou melhor, um u-topos, um não-espaço, também cha

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18

Berg, Miguel. "Radio Resource Management in Bunched Personal Communication Systems." Doctoral thesis, KTH, Signals, Sensors and Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3316.

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<p>The traditional way of increasing capacity in a wirelesscommunication system has been cell splitting and fixedchannel-allocation based on prediction tools. However, theplanning complexity increases rapidly with the number of cellsand the method is not suitable for the large temporal andspatial traffic variations expected in the future. A lot ofresearch has therefore been performed regarding adaptivechannel allocation, where a channel can be used anywhere aslong as the signal-to-interference ratio (SIR) is acceptable. Acommon opinion is that these solutions must be decentralizedsince a centr

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Greenhill, Nicola H. "An exploration of pharmacist-patient communication in clinic-style consultations." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11659/.

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The importance of communication skills for pharmacists has been widely acknowledged. Research has shown that the use of good communication skills can improve patient health outcomes but little research has focussed on communication within new consultation based roles of pharmacists. This study aimed to explore the communication between pharmacists and patients in clinic style consultations and to investigate participant perceptions of communication and consultations. Eleven pharmacists were recruited to the study and were responsible for the recruitment of patients from their own practice; fiv

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Delport, Barend Petrus Johannes. "Vergelyking van kommunikasiebehoeftes by werknemers en bestuur op 'n Platinamyn." Thesis, Pretoria : [s.n.], 2001. http://upetd.up.ac.za/thesis/available/etd-05242002-151354.

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Tiger, Carl-Fredrik. "Cellular Interactions with Extracellular Matrix During Development and in Muscle Disease." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2002. http://publications.uu.se/theses/91-554-5328-7/.

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22

Tonsing, Kerstin Monika. "Using a matrix strategy to teach graphic symbol combinations to children with limited speech during shared storybook reading." Thesis, University of Pretoria, 2012. http://hdl.handle.net/2263/25518.

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Children with limited speech using graphic symbols for communication often express themselves predominantly through single symbols rather than symbol combinations. This study aimed to investigate the effect of an intervention strategy that was incorporated into shared storybook reading on the production of graphic symbol combinations. Three children between the ages of 7;9 (years;months) and 10;8 with limited speech and physical impairments participated in the study. A multiple probe design across behaviours (3 different types of semantic symbol combinations) was used, replicated across the 3

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White, Kirrily. "From Trypillia to Tswana: A Global Perspective on Giant Low-Density Settlements." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/28688.

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Giant settlements worldwide which incorporated large amounts of open space, such as Cahokia, Great Zimbabwe and the European oppida, have long seemed anomalous to scholarship because they did not match the characteristics of conventional urbanism. It is now apparent that these settlements appeared relatively frequently in diverse conditions across the world over the past 7000 years and they may constitute a form of human settlement behaviour that has not yet been consistently articulated. In Limits of Settlement Growth, Roland Fletcher (1995) identified that such settlements sit outside usual

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Xavier, Dominic Michael. "Development of a large scale flexible LED display matrix for the screen industry." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/62065/1/Dominic_Xavier_Thesis.pdf.

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This project addresses the viability of lightweight, low power consumption, flexible, large format LED screens. The investigation encompasses all aspects of the electrical and mechanical design, individually and as a system, and achieves a successful full scale prototype. The prototype implements novel techniques to achieve large displacement colour aliasing, a purely passive thermal management solution, a rapid deployment system, individual seven bit LED current control with two way display communication, auto-configuration and complete signal redundancy, all of which are in direct response

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Styf, Emma. "Visual Communication between Truck Drivers and the Surroundings : - A Master’s Thesis Project for Increasing Communication and Reducing Accidents between HGV and VRUs." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-69786.

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In recent years, accidents between trucks and other vehicles have decreased while accidents be-tween trucks and vulnerable road-users have increased. The reason for this is unknown, which is why this Master’s Thesis project was initiated. The project is a co-operation between two students from two different universities, LTU and KTH, done for Volvo GTT in Gothenburg. A user study containing interviews and co-rides has been executed with truck drivers in the Gothenburg area during the autumn of 2017. A survey was also sent to different organizations for cyclists, motorcyclists, car drivers and

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Kopp, James Clayton, and Robert S. Kaplan. "The influence of organizational hierarchy and departmental structure on communication : the case of Kaplan and Norton's Balanced scorecard in a matrix organization." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59254.

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Thesis (S.M. in System Design and Management)--Massachusetts Institute of Technology, Engineering Systems Division, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 80-81).<br>A large business requires efficient and effective internal communication among employees to achieve its goals. Dodds, Watts, and Sable (DWS) introduced a communication network model assessing information flow within a business by examining the relative influences of organizational structure, message volatility, and task decomposability on the probability of successful message tran

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Petersson, Lantz Robert, and Andreas Alvarsson. "Creating access control maps and defining a security policy for a healthcare communication system." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-121131.

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This report handles the creation of an access control map and the dening of asecurity policy for a healthcare communication system. An access control mapis a graphical way to describe the access controls of the subjects and objects ina system. We use a three step method to produce a graphical overview of theparts in the system, the interactions between them and the permissions of thesubjects. Regarding the security policy we create a read up and read down policylike the so called Ring policy, but adapt a write sideways approach. We alsoapply a mandatory access control which has a centralized a

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Lindgren, Marcus, and Emma Richey. "Digital Materia." Thesis, Blekinge Tekniska Högskola, Institutionen för teknik och estetik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3345.

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Med tankar från pedagogen Montessori och filosoferna Platon och Baudrillard har detta arbete behandlat frågor om datorn och dess betydelse för en grafiker. Frågeställningen formulerades efter hand och lydde tillslut: ”Hur kan materia te sig i digital form?” Forskningen resulterade i en hypotes för hur digital materia skulle födas i datorn: genom att blanda två uppsättningar av data, såsom två genuppsättningar tillsammans skapar en ny organism. Under produktionen utvecklades därmed en metod för hur en grafiker ska kunna skapa tillsammans med en dator. Syftet är att ge andra grafiker ett nytt sä

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Roy, Prateep Kumar. "Analysis & design of control for distributed embedded systems under communication constraints." Phd thesis, Université Paris-Est, 2009. http://tel.archives-ouvertes.fr/tel-00534012.

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Les Systèmes de Contrôle Embarqués Distribués (SCED) utilisent les réseaux de communication dans les boucles de rétroaction. Étant donné que les systèmes SCED ont une puissance de batterie, une bande passante de communication et une puissance de calcul limitée, les débits des données ou des informations transmises sont bornées et ils peuvent affecter leur stabilité. Ceci nous amène à élargir le spectre de notre étude et y intégrer une étude sur la relation entre la théorie du contrôle d'un coté et celle de l'information de l'autre. La contrainte de débit de données induit la quantification des

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Agnesi, Costantino. "Advances in Quantum Communications for Fundamental Studies and Applications." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3423319.

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Quantum Communication is a groundbreaking technology that promises to revolutionize our current telecommunication systems. However, being a relatively new field, many challenges are yet to be confronted. This Doctoral thesis is dedicated to the advancement of Quantum Communications for fundamental studies and applications. Here, satellite-based, free-space and optical-fiber links are exploited to test and develop different Quantum Communication protocols. Different technologies, in particular free-space optics, fiber-based components and silicon photonic integrated circuits, are adopted to ma

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Cox, Gavin J. "Techniques for pattern control of a dielectric rod antenna suitable for use in mobile communications." Thesis, Loughborough University, 2002. https://dspace.lboro.ac.uk/2134/12693.

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This thesis describes the development of antennas suitable for mobile coinmunication systems based on a dielectric rod antenna fed from circular waveguide. Pattern control of the antenna is implemented using a combination of Frequency Selective Surface (FSS) elements and metallic endcaps placed on the antenna Both linear and circular polarised feeds have been made for these antennas to ensure they are suitable for a wide range of applications. The suitability of the dominant and next, higher order, waveguide mode were investigated and conclusions drawn as to their suitability for this type of

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Flegar, Goran. "Sparse Linear System Solvers on GPUs: Parallel Preconditioning, Workload Balancing, and Communication Reduction." Doctoral thesis, Universitat Jaume I, 2019. http://hdl.handle.net/10803/667096.

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With the breakdown of Dennard scaling in the mid-2000s and the end of Moore's law on the horizon, the high performance computing community is turning its attention towards unconventional accelerator hardware to ensure the continued growth of computational capacity. This dissertation presents several contributions related to the iterative solution of sparse linear systems on the most widely used general purpose accelerator - the Graphics Processing Unit (GPU). Specifically, it accelerates the major building blocks of Krylov solvers, and describes their realization as part of a software library

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Anderson, Norman Dale. "A study to measure the affect [sic] of reciprocal self-disclosure in a small group matrix on the sense of intimacy and individuality." Theological Research Exchange Network (TREN), 2005. http://www.tren.com.

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Acri, Giuseppe. "Sensibilité à la technologie et accordabilité des matrices de Butler en guide intégré dans le substrat, déclinées sur substrat PCB à 28 GHz et sur interposer above-IC benzocyclobutène aux fréquences millimétriques." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALT019.

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Les technologies réseau sont devenues de plus en plus omniprésentes au cours des deux der-nières décennies. En particulier, la 5G (cinquième génération) devrait supporter des vitesses haut débit nettement plus rapides, des capacités de transfert cent fois plus élevées et des re-tards plus faibles que la générations 4G précédente tout ceci permettant d’utiliser le plein potentiel de l’Internet des Objets. Plus précisément, le spectre sous-employé des bandes de fréquences millimétriques (mm-wave) (30-300 GHz) pourrait être considéré comme une solution potentiellement rentable pour atteindre les

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Tomaello, Andrea. "Quantum communication channels between earth and space and space to earth." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422086.

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The work presented in this thesis, on the topics of global quantum network, is the result of a set of research activities done at the CNR-IFN Luxor laboratory over these three years. The main goal that we would reach is the feasibility demonstration of quantum communication in free-space, without excluding from the definition "free space" any possible scenario. This is the way that in the future may lead to a global quantum network all over the world, that involves satellites and earth station. We may identify three major link families, that should help the reader to classify the research acti

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Calvin, Christophe. "Minimisation du sur-coût des communications dans la parallélisation des algorithmes numériques." Phd thesis, Grenoble INPG, 1995. http://tel.archives-ouvertes.fr/tel-00005034.

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Le but de ce memoire est d'étudier les voies possibles pour minimiser le sur-coût des communications consécutif à la parallélisation d'algorithmes numériques sur machines parallèles à mémoire distribuée. La première voie explorée consiste à optimiser les schémas de communication des données et résultats mis en oeuvre dans les versions parallèles de noyaux de calcul. Nous proposons notamment de nouveaux algorithmes pour réaliser une transposition de matrices carrées allouées par blocs, sur différentes topologies de réseaux d'interconnexion. Nous avons également étudié le problème de l'échange t

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Couillet, Romain. "Application of random matrix theory to future wireless flexible networks." Phd thesis, Supélec, 2010. http://tel.archives-ouvertes.fr/tel-00808022.

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Future cognitive radio networks are expected to come as a disruptive technological advance in the currently saturated field of wireless communications. The idea behind cognitive radios is to think of the wireless channels as a pool of communication resources, which can be accessed on-demand by a primary licensed network or opportunistically preempted (or overlaid) by a secondary network with lower access priority. From a physical layer point of view, the primary network is ideally oblivious of the existence of a co-localized secondary networks. The latter are therefore required to autonomously

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Maia, Diego Pereira da. "Memoriais organizacionais como mídia : os heróis da Praça da Matriz de Porto Alegre." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/153378.

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Este estudo tem como objetivo geral compreender como os memoriais da Praça da Matriz constroem sua importância institucional para o Estado por meio de seus heróis organizacionais. Como objetivos específicos buscaram-se evidenciar as diferenças teóricas entre memória e história e seu uso na comunicação organizacional; verificar a influência do Positivismo no Estado do Rio Grande do Sul e as implicações em organizações na Praça da Matriz de Porto Alegre; analisar exposições de memoriais de organizações públicas localizados ao redor da Praça da Matriz de Porto Alegre. Para tanto, adotou-se como a

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Avesani, Marco. "Practical and secure quantum randomness generation and communication." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3423195.

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Quantum mechanics has profoundly revolutionized the field of physics and our understanding of nature. Many effects predicted by quantum mechanics and with no classical analogue such as wave-particle duality, the coherent superposition of quantum states, the uncertainty principle, entanglement, and non-locality, are in deep contrast with our general common sense and yet they survived to any experimental verification. Interestingly, when these peculiar quantum effects are studied within the framework of Information Theory, they provide advantages for tasks such as computation, communication, an

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Rosati, Matteo. "Decoding protocols for classical communication on quantum channels." Doctoral thesis, Scuola Normale Superiore, 2017. http://hdl.handle.net/11384/85834.

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Pontefract, Sarah Katie. "The impact of computerised physician order entry with integrated clinical decision support on pharmacist-physician communication in the hospital setting." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8167/.

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An analysis of over 34,000 free-text messages assigned by pharmacists to prescription orders over a 12-month period showed a sub-optimal exchange of information with the physician. Focus groups and observational research were conducted to provide a more in-depth understanding of the factors involved. The use of CPOE did not reduce opportunities for personal interaction. The capability to communicate electronically facilitated a non-interruptive workflow, beneficial for staff time and for limiting distractions. It also improved clinical documentation, which helped coordinate care of patients be

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Hunter, Brandon. "Channel Probing for an Indoor Wireless Communications Channel." BYU ScholarsArchive, 2003. https://scholarsarchive.byu.edu/etd/64.

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The statistics of the amplitude, time and angle of arrival of multipaths in an indoor environment are all necessary components of multipath models used to simulate the performance of spatial diversity in receive antenna configurations. The model presented by Saleh and Valenzuela, was added to by Spencer et. al., and included all three of these parameters for a 7 GHz channel. A system was built to measure these multipath parameters at 2.4 GHz for multiple locations in an indoor environment. Another system was built to measure the angle of transmission for a 6 GHz channel. The addition of th

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Chen, Langshi. "Méthode de Krylov itératives avec communication et efficacité énergétique optimisées sur machine hétérogène." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10114/document.

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Les méthodes de Krylov sont fréquemment utilisés dans des problèmes linéaires, comme de résoudre des systèmes linéaires ou de trouver des valeurs propres et vecteurs propres de matrices, avec une taille extrêmement grande. Comme ces méthodes itératives nécessitent un calcul intensif, ils sont normalement déployés sur des grands clusters avec les mémoires distribués et les données communiqués par MPI. Lorsque la taille du problème augmente, la communication devient un bouchon principale d'atteindre une haute scalabité à cause de deux raisons: 1) La plupart des méthodes itératives comptent sur B

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Paturel, Vivien. "QS-13 : développement d’un peptide visant l’angiogenèse tumorale dans le cancer colorectal et étude la communication intercellulaire via les vésicules extracellulaires." Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS040.

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Avec 47582 nouveaux cas en 2023, le cancer colorectal (CRC) constitue la deuxième cause de décès par cancer en France avec près de 12 % de l’ensemble des décès, en particulier chez les plus de 65 ans. Le taux de survie à 5 ans est estimé à 63 %. Le cancer du côlon provient, dans plus de 80 % des cas, d’une tumeur bénigne appelée polype adénomateux qui évolue lentement en tumeur maligne. Les thérapies actuelles comportent de nombreux effets secondaires. De plus, tous les patients n’y répondent pas et elles peuvent induire des phénomènes de résistance. La recherche de nouvelles stratégies thérap

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Torstensson, Maja, and Elin Vinblad. "Intervention med responsiva talakter inom AKK hos två deltagare med cerebral pares i Tanzania : en single subject design-studie." Thesis, Linköpings universitet, Institutionen för klinisk och experimentell medicin, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-78991.

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I många utvecklingsländer finns en begränsad tillgång på utvecklade AKK-system (Alant, 1999) och ofta även en okunskap kring möjligheterna att arbeta med kommunikationsproblem (Marshall, 1997). I föreliggande studie genomförs intervention i alternativ och kompletterande kommunikation (AKK) för två deltagare med cerebral pares på ett dagcenter i Kilimanjaroregionen, Tanzania. Syftet i föreliggande interventionsstudie är att genom intervention studera och utveckla de i mätsituationerna responsiva talakterna att påkalla uppmärksamhet för att inleda interaktion, acceptera och avfärda samt upprätth

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Gabison, Éric. "Métalloproteinases matricielles et cicatrisation cornéenne : rôle D'EMMPRIN et des interactions epithélio-stromales." Paris 7, 2008. http://www.theses.fr/2008PA077233.

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Au cours de la cicatrisation cornéenne pathologique, l'activité des métalloprotéinases matricielles (MMPs) normalement bien régulée est altérée. La première partie de ce travail a été consacrée à l'étude des MMPs au cours des ulcérations de cornée. Nous avons montré leur augmentation dans la zone sous épithéliale des berges d'ulcères ce qui suggère l'implication d'interactions épithélio-stromales dans cette induction. Les enzymes induites et leur localisation à l'interface de deux types cellulaires évoquent les mécanismes observés au cours de la progression tumorale ou EMMPRIN, glycoprotéine e

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Ananias, Junior Luiz Francisco. "A comunicação reticular e a implantação do WhatsApp como veiculo de comunicação a partir da matriz IMADEFI : um estudo de caso na Rede Confiança de Supermercados /." Bauru, 2019. http://hdl.handle.net/11449/182120.

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Orientador: Célia Maria Retz Godoy dos Santos<br>Banca: Maria Eugênia Porem<br>Banca: Sonia Aparecida Cabestré<br>Resumo: Apresentam-se aportes para compreender as alterações do novo ambiente de comunicação reticular interna em uma organização varejista privada do setor supermercadista, intitulada Rede Confiança de Supermercados, a partir da implantação do aplicativo WhatsApp via matriz de processo de comunicação. Discute-se o entorno das práticas estratégicas de comunicação em mídias e suportes digitais no ambiente de trabalho, sobretudo considerando a ambiência da Internet como viabilizadora

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Olivas, Carrion Marc Liénard-Finet Martine. "Communications sur le réseau d'énergie électrique d'un véhicule modélisation et analyse du canal de propagation /." Villeneuve d'Ascq : Université des sciences et technologies de Lille, 2007. https://iris.univ-lille1.fr/dspace/handle/1908/987.

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Reproduction de : Thèse de doctorat : Microondes et microtechnologies : Lille 1 : 2006.<br>N° d'ordre (Lille 1) : 3818. Résumé en français et en anglais. Titre provenant de la page de titre du document numérisé. Bibliogr. p. 112-117.

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Sampaio, Cardoso Leonardo. "Orthogonal Precoder for Dynamic Spectrum Access in Wireless Networks." Thesis, Supélec, 2011. http://www.theses.fr/2011SUPL0018/document.

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Le déferlement mondial des services de télécommunications, impose, aux réseaux qui les supportent, d’augmenter de plus en plus leurs capacités afin de subvenir aux besoins de ses utilisateurs dont le nombre ne cesse de croître. Le spectre radio, ressource de base pour les communications sans fils, ne suit malheureusement pas cette croissance. Même si des marges réutilisables sont disponibles, leur accès est limité par des politiques strictes de gestion du spectre radio-fréquentiel. Pour remédier à cette situation, les organismes régulateurs des télécommunications se dirigent vers un paradigme

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Valente, Matheus. "Thinking Alike: Five Essays on the Publicity of Thought = Pensar el mateix: cinc assaigs sobre la “publicitat” del pensament." Doctoral thesis, Universitat de Barcelona, 2020. http://hdl.handle.net/10803/669214.

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In this dissertation, I have investigated several philosophical puzzles associated to the thesis that thoughts are public, i.e. that in successful instances of communication, understanding, and in cases where thinkers are in genuine agreement with each other, the relevant thinkers accept the same thoughts. In chapter 1, I showed that this thesis seems difficult to uphold in the face of cases involving indexical expressions. When subjects successfully communicate with indexical expressions, they are nonetheless disposed to perform different actions, and thus we have reason to deny that they acc

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