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Relevant bibliographies by topics / Vector processor / Dissertations / Theses

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Dissertations / Theses on the topic 'Vector processor'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Liu, Zhiduo. "Accelerator compiler for the VENICE vector processor." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43442.

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This thesis describes the compiler design for VENICE, a new soft vector processor (SVP). The compiler is a new back-end target for the Microsoft Accelerator, a high-level data parallel library in C/C++ and C\#. This allows automatic compilation from high-level programs into VENICE assembly code, thus avoiding the process of writing assembly code used by previous SVPs. Experimental results show the compiler can generate scalable parallel code with execution times that are comparable to human-optimized VENICE assembly code. On data-parallel applications, VENICE at 100MHz on an Altera DE3 platfo

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2

Thomas, Scott D. "Vector processor services for local area networks." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10312009-020126/.

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3

Hopkins, T. M. "The design of a sparse vector processor." Thesis, University of Edinburgh, 1993. http://hdl.handle.net/1842/14094.

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This thesis describes the development of a new vector processor architecture capable of high efficiency when computing with very sparse vector and matrix data, of irregular structure. Two applications are identified as of particular importance: sparse Gaussian elimination, and Linear Programming, and the algorithmic steps involved in the solution of these problems are analysed. Existing techniques for sparse vector computation, which are only able to achieve a small fraction of the arithmetic performance commonly expected on dense matrix problems, are critically examined. A variety of new tech

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4

Yu, Jason Kwok Kwun. "Vector processing as a soft-core processor accelerator." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2394.

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Soft processors simplify hardware design by being able to implement complex control strategies using software. However, they are not fast enough for many intensive data-processing tasks, such as highly data-parallel embedded applications. This thesis suggests adding a vector processing core to the soft processor as a general-purpose accelerator for these types of applications. The approach has the benefits of a purely software-oriented development model, a fixed ISA allowing parallel software and hardware development, a single accelerator that can accelerate multiple functions in an applicatio

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5

Koutsomyti, Konstantia. "A configurable vector processor for accelerating speech coding algorithms." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/35006.

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The growing demand for voice-over-packer (VoIP) services and multimedia-rich applications has made increasingly important the efficient, real-time implementation of low-bit rates speech coders on embedded VLSI platforms. Such speech coders are designed to substantially reduce the bandwidth requirements thus enabling dense multichannel gateways in small form factor. This however comes at a high computational cost which mandates the use of very high performance embedded processors. This thesis investigates the potential acceleration of two major ITU-T speech coding algorithms, namely G.729A and

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6

Huang, Ruth Christiana. "Designing Anti-Islanding Detection Using the Synchrophasor Vector Processor." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1001.

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ABSTRACT Designing Anti-Islanding Detection Using the Synchrophasor Vector Processor Ruth Huang The need for distributed generation (DG) has become more and more popular because of the adverse effects of fossil fuels and the fear of running out of fossil fuels. By having DG, there are less transmission losses, voltage support, controllability of the system, decreased costs in transmission and distribution, power quality improvement, energy efficiency, and reduced reserve margin. The adverse effects of DG are voltage flicker, harmonics, and islanding. Islanding occurs when the DG continues to e

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7

Bernstein, Raymond F. "A pipelined vector processor and memory architecture for cyclostationary processing." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA305842.

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Dissertation (Ph.D. in Electrical Engineering) Naval Postgraduate School, December 1995.<br>Dissertation supervisor(s): Herschel H. Loomis, Jr. "December 1995." Includes bibliographical references. Also available online.

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8

Karlsson, Andréas. "Algorithm Adaptation and Optimization of a Novel DSP Vector Co-processor." Thesis, Linköping University, Computer Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57427.

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<p>The Division of Computer Engineering at Linköping's university is currently researching the possibility to create a highly parallel DSP platform, that can keep up with the computational needs of upcoming standards for various applications, at low cost and low power consumption. The architecture is called ePUMA and it combines a general RISC DSP master processor with eight SIMD co-processors on a single chip. The master processor will act as the main processor for general tasks and execution control, while the co-processors will accelerate computing intensive and parallel DSP kernels.This th

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9

Chou, Christopher Han-Yu. "VIPERS II : a soft-core vector processor with single-copy scratchpad memory." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/23595.

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Previous work has demonstrated soft-core vector processors in FPGAs can be applied to speed up data-parallel embedded applications, while providing the users an easy-to-use platform to tradeoff performance and area. However, its performance is limited by load and store latencies, requiring extra software design effort to optimize performance. This thesis presents VIPERS II, a new vector ISA and the corresponding microarchitecture, in which the vector processor reads and writes directly to a scratchpad memory instead of the vector register file. With this approach, the load and store operations

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10

Paredes, Lopez Mireya. "Exploring vectorisation for parallel breadth-first search on an advanced vector processor." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/exploring-vectorisation-for-parallel-breadthfirst-search-on-an-advanced-vector-processor(f5de60ab-179e-4dbe-9934-dc3e22d0b8a8).html.

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Modern applications generate a massive amount of data that is challenging to process or analyse. Graph algorithms have emerged as a solution for the analysis of this data because they can represent the entities participating in the generation of large scale datasets in terms of vertices and their relationships in terms of edges. Graph analysis algorithms are used for finding patterns within these relationships, aiming to extract information to be further analysed. The breadth-first search (BFS) is one of the main graph search algorithms used for graph analysis and its optimisation has been wid

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11

Parr, Simon Richard. "High-performance load/store unit for a highly configurable, embedded vector processor." Thesis, Loughborough University, 2008. https://dspace.lboro.ac.uk/2134/33579.

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Voice-over-Internet-Protocol (VoIP) has gained a significant amount of interest due to insatiable demand for improved digital communication in the consumer market. Instead of using the traditional public exchange network telephone companies are now able to offer cheap telephone calls via the internet. The intention of this research is to improve the channel capacity of VoIP networks by researching a novel embedded CPU architecture for accelerating speech coding algorithms. The proposed architecture is a configurable vector coprocessor, closely coupled to a controlling Spare-VS compliant CPU. T

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12

Adkins, Kenneth Christopher. "The VAMPIRE chip : a vector-quantizing associative memory processor implementing real-time encoding /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487842372897002.

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13

Guo, Jiabing. "Design and implementation of LTE-A and 5G kernel algorithms on SIMD vector processor." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159474.

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With the wide spread of wireless technology, the time for 4G has arrived, and 5G will appear not so far in the future. However, no matter whether it is 4G or 5G, low latency is a mandatory requirement for baseband processing at base stations for modern cellular standards. In particular, in a future 5G wireless system, with massive MIMO and ultra-dense cells, the demand for low round trip latency between the mobile device and the base station requires a baseband processing delay of 1 ms. This is 10 percentage of today’s LTE-A round trip latency, while at the same time massive MIMO requires larg

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Muradov, Feruz. "Development, Implementation, Optimization and Performance Analysis of Matrix-Vector Multiplication on Eight-Core Digital Signal Processor." Thesis, KTH, Numerisk analys, NA, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-131289.

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This thesis work aims at implementing the sparse matrix vector multiplication on eight-core Digital Signal Processor (DSP) and giving insights on how to optimize matrix multiplication on DSP to achieve high energy efficiency. We used two sparse matrix formats: the Compressed Sparse Row (CSR) and the Block Compressed Sparse Row (BCSR) formats. We carried out loop unrolling optimization of the naive algorithm. In addition, we implemented the Registerblocked and the Cache-blocked sparse matrix vector multiplications to optimize the naive algorithm. The computational performance improvement with l

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15

Dahlberg, Christopher. "Speeding up matrix computation kernels by sharing vector coprocessor among multiple cores on chip." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Data- och elektroteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19292.

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Today’s computer systems develop towards less energy consumption while keeping high performance. These are contradictory requirement and pose a great challenge. A good example of an application were this is used is the smartphone. The constraints are on long battery time while getting high performance required by future 2D/3D applications. A solution to this is heterogeneous systems that have components that are specialized in different tasks and can execute them fast with low energy consumption. These could be specialized i.e. encoding/decoding, encryption/decryption, image processing or comm

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16

Ierotheou, Constantinos Savvas. "The simulation of fluid flow processes using vector processors." Thesis, University of Greenwich, 1990. http://gala.gre.ac.uk/8674/.

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In this thesis the potential gains in vectorisation of linear and non-linear systems of equations are investigated. Previous studies carried out on the suitability of algorithms for vectorisation have been based on the solution of Poisson's equation. In accordance with this, a range of algorithms are explored and compared using a VA-1 pipeline processor attached to a MASSCOMP MC5400. Analysis shows that almost full vectorisation is possible leading to speed-up factors of up to 90. Based on these results the vectorised conjugate gradient with a Jacobi preconditioner (JCGV) is the best of the al

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17

Pijáček, Ondřej. "Univerzální řídicí jednotka pro BLDC motory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-240819.

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This thesis describes the design of universal control unit for BLDC motor powered from airplane power distribution system of 28 V capable of driving motor up to 10 A. The maximal engine power is about 250 W. Important prerequisite is possibility of driving various motor size without needs of changing wiring board using only the configuration in the auxiliary memory unit. To control different motors is enough one unit with one program without any way to interfere to the unit itself.

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18

Maunoury, Franck. "Conditions d'existence des processus déterminantaux et permanentaux." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC028/document.

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Nous établissons des conditions nécessaires et suffisantes d’existence et d’infinie divisibilité pour des processus ponctuels alpha-déterminantaux et, lorsque alpha est positif, pour leur intensité sous-jacente (en tant que processus de Cox). Dans le cas où l’espace est fini, ces distributions correspondent à des lois binomiales, négatives binomiales et gamma multidimensionnelles. Nous étudions de façon approfondie ces deux derniers cas avec un noyau non nécessairement symétrique<br>We establish necessary and sufficient conditions for the existence and infinite divisibility of alpha-determinan

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19

Brüggemann, Ralf. "Model reduction methods for vector autoregressive processes /." Berlin [u.a.] : Springer, 2004. http://www.loc.gov/catdir/enhancements/fy0818/2003067373-d.html.

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20

Bergas, Jané Joan. "Control del motor d'inducció considerant els límits del convertidor i del motor." Doctoral thesis, Universitat Politècnica de Catalunya, 2000. http://hdl.handle.net/10803/6293.

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1.1 Objectius de la tesi.<br/>En els últims anys el control del parell i de la velocitat del motor d'inducció ha estat llargament estudiat. Un cop s'ha considerat que les prestacions dinàmiques assolibles eren ja suficientment satisfactòries, els diferents investigadors han reorientat els seus esforços cap a altres enfocs relacionats, ja no únicament amb el MI estrictament parlant, sinó amb tot el sistema que constitueix l'accionament amb si mateix.<br/><br/>L'objectiu principal d'aquesta tesi és posar en evidència, l'existència d'unes idealitzacions i limitacions dels controls tradicionals de

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21

Sumner, M. "Vector controlled induction motor drive using transputer parallel processors." Thesis, University of Nottingham, 1990. http://eprints.nottingham.ac.uk/14104/.

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This thesis describes the design and construction of a high performance induction motor drive, controlled by a network of parallel (INMOS) Transputer processors. The flexibility and high computational ability of the controller is demonstrated by the implementation of three forms of indirect vector control for the induction motor (here termed "V-Type, "V-Type with Current Feedback" and "I-Type") on two motor drive rigs. Results show that V-Type control with current feedback is superior, and that on-line parameter estimation (namely the rotor time constant) is required. The controller has been e

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22

Hay, R. "The impact of vector processors on boundary value codes." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377736.

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23

Meki, Shintaro. "Studies on Main Memory Database Systems for Vector Processors." Kyoto University, 1999. http://hdl.handle.net/2433/181853.

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24

Severance, Aaron. "Broadening the applicability of FPGA-based soft vector processors." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/52490.

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A soft vector processor (SVP) is an overlay on top of FPGAs that allows data- parallel algorithms to be written in software rather than hardware, and yet still achieve hardware-like performance. This ease of use comes at an area and speed penalty, however. Also, since the internal design of SVPs are based largely on custom CMOS vector processors, there is additional opportunity for FPGA-specific optimizations and enhancements. This thesis investigates and measures the effects of FPGA-specific changes to SVPs that improve performance, reduce area, and improve ease-of-use; thereby expanding thei

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25

Hossain, M. Ayub. "The stochastic preference relations for vector valued attributes /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487331541711522.

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26

Metheny, Maryssa. "Covariance structures of Gaussian and log-Gaussian vector stochastic processes." Diss., Wichita State University, 2012. http://hdl.handle.net/10057/5587.

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Although the covariance structures of univariate Gaussian and log Gaussian stochastic processes have been extensively studied in the past few decades, the development of covariance structures for Gaussian and log-Gaussian vector stochastic processes is still in the early stages. Speci cally, there has been little discussion about how to construct the covariance matrix functions of multivariate Gaussian time series with long memory, especially ones with power-law and log-law decaying covariance structures. Furthermore, there have been relatively few results about how to determine whether a give

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27

Xi, Guangyu. "Parabolic equations and diffusion processes with divergence-free vector fields." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:0ff717e5-b5dd-4efd-b7a9-ad5f7f7ce1dc.

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The study of this thesis is motivated by the stochastic Lagrangian representations of solutions to the Navier-Stokes equations. The stochastic Lagrangian formulation to the Navier-Stokes equations is described by stochastic differential equations, which essentially represent the diffusions under divergence-free velocity fields. The associated stochastic differential equations are closely related to a class of parabolic equations and these two types of equations are the central objects of this thesis. The difficulty of the problem mainly comes from the low regularity of the velocity field. The

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28

Li, Yanting. "Monitoring and diagnosing the mean vector and covariance matrix of multistage processes /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?IELM%202008%20LI.

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29

Ratković, Ivan. "On the design of power- and energy-efficient functional units for vector processors." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/404615.

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Vector processors are a very promising solution for mobile devices and servers due to their inherently energy-efficient way of exploiting datalevel parallelism. While vector processors succeeded in the high performance market in the past, they need a re-tailoring for the mobile market that they are entering now. Functional units are a key components of computation intensive designs like vector architectures, and have significant impact on overall performance and power. Therefore, there is a need for novel, vector-specific, design space exploration and low power techniques of vector functional

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30

Hayes, Timothy. "Novel vector architectures for data management." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/397645.

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As the rate of annual data generation grows exponentially, there is a demand to manage, query and summarise vast amounts of information quickly. In the past, frequency scaling was relied upon to push application throughput. Today, Dennard scaling has ceased, and further performance must come from exploiting parallelism. Vector architectures offer a highly efficient and scalable way of exploiting data-level parallelism (DLP) through sophisticated single instruction-multiple data (SIMD) instruction sets. Traditionally, vector machines were used to accelerate scientific workloads rather than busi

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31

BASTOS, SERGIO FERREIRA. "MONITORING THE SPREAD OF MULTIVARIATE PROCESSES USING PROJECTIONS OF THE OBSERVABLE VARIABLES VECTOR." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=28252@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>Em processos multivariados, existem diversas variáveis observáveis para serem controladas. Pressupõe-se neste trabalho que os descontroles do processo se devem a causas especiais que atuam em fontes de variação independentes, cada uma destas podendo ser representada por uma variável aleatória não observável, ou latente. Alguma alteração na média de uma dessas variáveis ou um aumento na sua dispersão resultam, respectiv

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Illsley, Robert George. "The crossings of boundaries by vector Gaussian processes with applications to problems in reliability." Thesis, City University London, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333982.

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Stanić, Milan. "Design of energy-efficient vector units for in-order cores." Doctoral thesis, Universitat Politècnica de Catalunya, 2017. http://hdl.handle.net/10803/405647.

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In the last 15 years, power dissipation and energy consumption have become crucial design concerns for almost all computer systems. Technology feature size scaling leads to higher power density and therefore to complex and costly cooling. While power dissipation is critical for high-performance systems such as data centers due to large power usage, for mobile systems battery life is a primary concern. In the low-end mobile processor market, power, energy and area budgets are significantly lower than in the server/desktop/laptop/high-end mobile markets. The ultimate goal in low-end systems is a

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34

Freese, Adam. "Hard QCD Processes in the Nuclear Medium." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2498.

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The environment inside the atomic nucleus is one of the most fascinating arenas for the study of quantum chromodynamics (QCD). The strongly-interacting nature of the nuclear medium aﬀects the nature of both QCD processes and the quark-gluon structure of hadrons, allowing several unique aspects of the strong nuclear force to be investigated in reactions involving nuclear targets. The research presented in this dissertation explores two aspects of nuclear QCD: firstly, the partonic structure of the nucleus itself; and secondly, the use of the nucleus as a micro-laboratory in which QCD processes

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35

Naidoo, Nathan Lyle. "South African sign language recognition using feature vectors and Hidden Markov Models." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8533_1297923615.

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<p>This thesis presents a system for performing whole gesture recognition for South African Sign Language. The system uses feature vectors combined with Hidden Markov models. In order to constuct a feature vector, dynamic segmentation must occur to extract the signer&rsquo<br>s hand movements. Techniques and methods for normalising variations that occur when recording a signer performing a gesture, are investigated. The system has a classification rate of 69%</p>

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36

Salfeld, Thomas [Verfasser]. "Stochastic mortality modelling with cointegrated vector autoregressive processes and characterizations of logistic-type hazard rate distributions / Thomas Salfeld." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2019. http://d-nb.info/1176105248/34.

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Giannotti, Regina Helena. "Marca-território Brasil: um vetor de poder político para projeção comercial, cultural e política da nação." Pontifícia Universidade Católica de São Paulo, 2013. https://tede2.pucsp.br/handle/handle/4510.

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Made available in DSpace on 2016-04-26T18:12:55Z (GMT). No. of bitstreams: 1 Regina Helena Giannotti.pdf: 2586042 bytes, checksum: 4840033152cb7d04d1a20a95a54ede12 (MD5) Previous issue date: 2013-05-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This essay aims to study the nation-brand used by the Brazilian Federal Government in the commercial, political and cultural development of the country compared to others. At this point, one wonders whether the brand used by the government could be considered a vector of power and if it carries the set of meanings and feelings t

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Robelly, Juan P. [Verfasser]. "An Algebraic Approach for the Design and Automatic Code Generation of Signal Processing Algorithms into SIMD-Vector Processors / Juan P Robelly." Aachen : Shaker, 2006. http://d-nb.info/1170530680/34.

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Snow, Lucy Caroline. "The transmission ecology of lymphatic filariasis : infection processes in the mosquito vector and their implications for transmission and control." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414433.

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BenDor, Jonathan, and J. D. Baker. "Processing Real-Time Telemetry with Multiple Embedded Processors." International Foundation for Telemetering, 1994. http://hdl.handle.net/10150/611671.

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International Telemetering Conference Proceedings / October 17-20, 1994 / Town & Country Hotel and Conference Center, San Diego, California<br>This paper describes a system in which multiple embedded processors are used for real-time processing of telemetry streams from satellites and radars. Embedded EPC-5 modules are plugged into VME slots in a Loral System 550. Telemetry streams are acquired and decommutated by the System 550, and selected parameters are packetized and appended to a mailbox which resides in VME memory. A Windows-based program continuously fetches packets from the mailbox, p

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Mercier, Quentin. "Optimisation multicritère sous incertitudes : un algorithme de descente stochastique." Thesis, Université Côte d'Azur (ComUE), 2018. http://www.theses.fr/2018AZUR4076/document.

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Cette thèse s’intéresse à l’optimisation multiobjectif sans contrainte lorsque les objectifs sont exprimés comme des espérances de fonctions aléatoires. L’aléa est modélisé par l’intermédiaire de variables aléatoires et on considère qu’il n’impacte pas les variables d’optimisation du problème. La thèse consiste à proposer un algorithme de descente qui permet l’obtention des solutions de Pareto du problème d’optimisation ainsi écrit. En utilisant des résultats d’analyse convexe, il est possible de construire un vecteur de descente commun à l’ensemble des objectifs du problème d’optimisation pou

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Alizadeh, Pegah. "Elicitation and planning in Markov decision processes with unknown rewards." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCD011/document.

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Les processus décisionnels de Markov (MDPs) modélisent des problèmes de décisionsséquentielles dans lesquels un utilisateur interagit avec l’environnement et adapte soncomportement en prenant en compte les signaux de récompense numérique reçus. La solutiond’unMDP se ramène à formuler le comportement de l’utilisateur dans l’environnementà l’aide d’une fonction de politique qui spécifie quelle action choisir dans chaque situation.Dans de nombreux problèmes de décision du monde réel, les utilisateurs ont despréférences différentes, donc, les gains de leurs actions sur les états sont différents et

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Negrete-Virgen, Juan Alejandro. "Manufacture of adenoviral vectors for gene therapy applications : critical comparison of solvent extraction and adsorption-based processes." Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288887.

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The biotechnology industry has recently been demanding nanoparticulate products (20-200 nm) such as viruses, plasmids, virus-like particles and drug delivery assemblies. These products are mainly used as gene delivery systems in gene therapy protocols. Adenoviral vectors {Ad) are the most exploited gene therapy vectors in industry worldwide. The :ma.nu.fu.cture of Ad fuces several problems including {i) small volumes of product per batch of cell culture, {ii) inaccurate, time consuming and multifuctor-dependant methods for infectivity determination and (iii) downstream processing. The downstre

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Lingmert, Karlsson Stephanie, Johanna Persson, Eleanor Petersson, and Mia Theise. "Får dom vara med? : En studie av tillgänglighet i en bilderbok." Thesis, Linnéuniversitetet, Institutionen för svenska språket (SV), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-60664.

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The purpose of the study is to analyse the accessibility in and to a picture book. The book was selected on the basis of loan statistics in a multilingual school. At the third place in the statistics was the most lent student-selected picture book Alfons and Milla (Bergström, 1985) which is the focus of this study. The book was analysed as to its accessibility in three different ways: the accessibility to the relationships revealed in the illustrations of the book, the accessibility to the interaction between image and written text, and also the librarian’s influence regarding the physical acc

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Norberg, Johan. "Large Scale Terrain Modelling for Autonomous Mining." Thesis, Linköpings universitet, Reglerteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57334.

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This thesis is concerned with development of a terrain model using Gaussian Processes to support the automation of open-pit mines. Information can be provided from a variety of sources including GPS, laser scans and manual surveys. The information is then fused together into a single representation of the terrain together with a measure of uncertainty of the estimated model. The model is also used to detect and label specific features in the terrain. In the context of mining, theses features are edges known as toes and crests. A combination of clustering and classification using supervised lea

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Zwald, Laurent. "Performances statistiques d'algorithmes d'apprentissage : "Kernel projection machine" et analyse en composantes principales à noyau." Paris 11, 2005. https://tel.archives-ouvertes.fr/tel-00012011.

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La thèse se place dans le cadre de l'apprentissage statistique. Elle apporte des contributions à la communauté du machine learning en utilisant des techniques de statistiques modernes basées sur des avancées dans l'étude des processus empiriques. Dans une première partie, les propriétés statistiques de l'analyse en composantes principales a noyau (KPCA) sont explorées. Le comportement de l'erreur de reconstruction est étudie avec un point de vue non-asymptotique et des inégalités de concentration des valeurs propres de la matrice de Gram sont données. Tous ces résultats impliquent des vitesses

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Marchina, Bastien. "Tests d'adéquation basés sur la fonction caractéristique." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20088/document.

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Cette thèse est consacré aux tests d'adéquation basés sur la fonction caractéristique. Nous débutons en présentant et en complétant les résultats probabilistes nécessaires à la construction de statistiques de test prenant la fonction caractéristique et son pendant la fonction caractéristique empirique comme représentations respectives des lois de référence et de la loi inconnue de l'échantillon de vecteurs aléatoires à tester. Nous poursuivons le travail en faisant la revue et en classant les tests basés sur la fonction caractéristique existants. Nous élaborons ensuite une classe de statistiqu

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Brynjarsdóttir, Jenný. "Dimension Reduced Modeling of Spatio-Temporal Processes with Applications to Statistical Downscaling." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1312935520.

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Saunders, Christopher Paul. "EMPIRICAL PROCESSES FOR ESTIMATED PROJECTIONS OF MULTIVARIATE NORMAL VECTORS WITH APPLICATIONS TO E.D.F. AND CORRELATION TYPE GOODNESS OF FIT TESTS." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_diss/464.

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Goodness-of-fit and correlation tests are considered for dependent univariate data that arises when multivariate data is projected to the real line with a data-suggested linear transformation. Specifically, tests for multivariate normality are investigated. Let { } i Y be a sequence of independent k-variate normal random vectors, and let 0 d be a fixed linear transform from Rk to R . For a sequence of linear transforms { ( )} 1 , , n d Y Y converging almost surely to 0 d , the weak convergence of the empirical process of the standardized projections from d to a tight Gaussian process is esta

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Gadat, Sebastien. "Apprentissage d'un vocabulaire symbolique pour la détection d'objets dans une image." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2004. http://tel.archives-ouvertes.fr/tel-00008642.

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Nous étudions le problème fondamental de la sélection de variables descriptives d'un signal, sélection dédiée à divers traitements comme la classification d'objets dans une image. Nous définissons dans un premier temps une loi de probabilités sur les variables descriptives du signal et utilisons un algorithme de descente de gradient, exact puis stochastique pour identifier la bonne distribution de probabilités sur ces variables. Nous donnons alors diverses applications à la classification d'objets (chiffres manuscrits, détection de visages, de spam, ...).<br /> Dans un second temps, nous implé

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