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Relevant bibliographies by topics / Linear Convolution / Dissertations / Theses

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Dissertations / Theses on the topic 'Linear Convolution'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Hofmann, B., and G. Fleischer. "Stability Rates for Linear Ill-Posed Problems with Convolution and Multiplication Operators." Universitätsbibliothek Chemnitz, 1998. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-199800987.

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In this paper we deal with the `strength' of ill-posedness for ill-posed linear operator equations Ax = y in Hilbert spaces, where we distinguish according_to_M. Z. Nashed [15] the ill-posedness of type I if A is not compact, but we have R(A) 6= R(A) for the range R(A) of A; and the ill-posedness of type II for compact operators A: From our considerations it seems to follow that the problems with noncompact operators A are not in general `less' ill-posed than the problems with compact operators. We motivate this statement by comparing the approximation and stability behaviour of discrete leas

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Manrique, Tito. "Functional linear regression models : application to high-throughput plant phenotyping functional data." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT264/document.

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L'Analyse des Données Fonctionnelles (ADF) est une branche de la statistique qui est de plus en plus utilisée dans de nombreux domaines scientifiques appliqués tels que l'expérimentation biologique, la finance, la physique, etc. Une raison à cela est l'utilisation des nouvelles technologies de collecte de données qui augmentent le nombre d'observations dans un intervalle de temps.Les jeux de données fonctionnelles sont des échantillons de réalisations de fonctions aléatoires qui sont des fonctions mesurables définies sur un espace de probabilité à valeurs dans un espace fonctionnel de dimensio

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3

Zhakupov, Mansur. "Application of convolution and average pressure approximation for solving non-linear flow problems. constant pressure inner boundary condition for gas flow." Texas A&M University, 2003. http://hdl.handle.net/1969.1/3937.

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The accurate description of fluid flow through porous media allows an engineer to properly analyze past behavior and predict future reservoir performance. In particular, appropriate mathematical models which describe fluid flow through porous media can be applied to well test and production data analysis. Such applications result in estimating important reservoir properties such as formation permeability, skin-factor, reservoir size, etc. "Real gas" flow problems (i.e., problems where the gas properties are specifically taken as implicit functions of pressure, temperature, and composition) are

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4

Mendonça, Marcelo de Barros. "Aplicação de texturas em visualização científica." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-24042002-135403/.

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A crescente disponibilidade de recursos computacionais para o cálculo, simulação e aquisição de dados permite que cientistas e engenheiros produzam enormes conjuntos de dados, bi ou tridimensionais, em geral multivariados. A aplicação de técnicas de Computação Gráfica com o objetivo de ganhar compreensão desses dados compreende o objeto de estudo da área conhecida por Visualização Científica. Texturização é uma forma de variar as propriedades de uma superfície ponto a ponto de forma que esta simule detalhes que não estão de fato presentes na sua geometria. A texturização pode ser aplicada usa

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5

Wang, Zipeng. "Generalized Dirichlet to Neumann map for linear evolution equations on half-line, and, Singular integrals of non-convolution type on product spaces." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709335.

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6

Jouhet, Laurent. "Algorithmique du Network Calculus." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2012. http://tel.archives-ouvertes.fr/tel-00776381.

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Le Network Calculus est une théorie visant à calculer des bornes pire-cas sur les performances des réseaux de communication. Le réseau est modélisé par un graphe orienté où les noeuds représentent des serveurs, et les flux traversant le réseau doivent suivre les arcs. S'ajoutent à cela des contraintes sur les courbes de trafic (la quantité de données passées par un point depuis la mise en route du réseau) et sur les courbes de service (la quantité de travail fournie par chaque serveur). Pour borner les performances pire-cas, comme la charge en différents points ou les délais de bout en bout, c

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7

Le, Ber Catherine. "Simulation sur ordinateur d'un système linéaire continu et stationnaire." Brest, 1988. http://www.theses.fr/1988BRES2020.

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Presentation de methodes d'estimation pour la sortie d'un systeme continu lorsque l'on dispose seulement des echantillons du signal d'entree. On montre comment definir un systeme discret dont la sortie est egale aux echantillons du systeme analogique pour une classe donnee de signaux d'entree. Developpement d'une nouvelle approche, appelee convolution recursive cascade, ou la connaissance des poles de la fonction de transfert continue lineaire est necessaire

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8

Masucci, Antonia Maria. "Moments method for random matrices with applications to wireless communication." Thesis, Supélec, 2011. http://www.theses.fr/2011SUPL0011/document.

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Dans cette thèse, on étudie l'application de la méthode des moments pour les télécommunications. On analyse cette méthode et on montre son importance pour l'étude des matrices aléatoires. On utilise le cadre de probabilités libres pour analyser cette méthode. La notion de produit de convolution/déconvolution libre peut être utilisée pour prédire le spectre asymptotique de matrices aléatoires qui sont asymptotiquement libres. On montre que la méthode de moments est un outil puissant même pour calculer les moments/moments asymptotiques de matrices qui n'ont pas la propriété de liberté asymptotiq

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9

Harper, Zen Michael. "Hankel operators, convolutions and other operators related to linear systems." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411145.

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10

Kim, Kyung-Mi. "Test Vectors of Rankin-Selberg Convolutions for General Linear Groups." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1279896776.

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11

Ferroni, Nicola. "Exact Combinatorial Optimization with Graph Convolutional Neural Networks." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17502/.

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Combinatorial optimization problems are typically tackled by the branch-and-bound paradigm. We propose to learn a variable selection policy for branch-and-bound in mixed-integer linear programming, by imitation learning on a diversified variant of the strong branching expert rule. We encode states as bipartite graphs and parameterize the policy as a graph convolutional neural network. Experiments on a series of synthetic problems demonstrate that our approach produces policies that can improve upon expert-designed branching rules on large problems, and generalize to instances significantly lar

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12

Boyd, Phillip L. "Recovery of unknown constraint length and encoder polynomials for rate 1/2 linear convolutional encoders." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA375935.

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Thesis (M.S. in Electrical Engineering) Naval Postgraduate School, December 1999.<br>"December 1999". Thesis advisor(s): Clark Robertson, Tri Ha, Ray Ramey. Includes bibliographical references (p. 79). Also available online.

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13

Hanzálek, Pavel. "Praktické ukázky zpracování signálů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400849.

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The thesis focuses on the issue of signal processing. Using practical examples, it tries to show the use of individual signal processing operations from a practical point of view. For each of the selected signal processing operations, an application is created in MATLAB, including a graphical interface for easier operation. The division of the thesis is such that each chapter is first analyzed from a theoretical point of view, then it is shown using a practical demonstration of what the operation is used in practice. Individual applications are described here, mainly in terms of how they are h

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14

Gionfalo, Francesco Fernando. "Analisi non lineare del suono di strumenti musicali mediante Serie di Volterra." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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In questa tesi si �e studiato un metodo per virtualizzare ed emulare le distorsioni armoniche non lineari del suono di uno strumento musicale, l'Ocarina di Budrio, tramite algoritmi implementati in ambiente Matlab. Da un punto di vista matematico tali non linearit�à sono state modellate utilizzando lo sviluppo in serie di Volterra diagonale, una sempli�cazione del caso generale valida quando le non linearit�à dipendono dal valore istantaneo dell'ingresso.

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15

Coli, Vanna Lisa. "Modellazione matematica delle non linearità di sistemi acustici mediante serie di Volterra modificate." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6953/.

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In questa tesi si è studiato un metodo per modellare e virtualizzare tramite algoritmi in Matlab le distorsioni armoniche di un dispositivo audio non lineare, ovvero uno “strumento” che, sollecitato da un segnale audio, lo modifichi, introducendovi delle componenti non presenti in precedenza. Il dispositivo che si è scelto per questo studio il pedale BOSS SD-1 Super OverDrive per chitarra elettrica e lo “strumento matematico” che ne fornisce il modello è lo sviluppo in serie di Volterra. Lo sviluppo in serie di Volterra viene diffusamente usato nello studio di sistemi fisici non lineari, ne

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16

Vayá, Salort Carlos. "Characterization and processing of atrial fibrillation episodes by convolutive blind source separation algorithms and nonlinear analysis of spectral features." Doctoral thesis, Universitat Politècnica de València, 2010. http://hdl.handle.net/10251/8416.

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Las arritmias supraventriculares, en particular la fibrilación auricular (FA), son las enfermedades cardíacas más comúnmente encontradas en la práctica clínica rutinaria. La prevalencia de la FA es inferior al 1\% en la población menor de 60 años, pero aumenta de manera significativa a partir de los 70 años, acercándose al 10\% en los mayores de 80. El padecimiento de un episodio de FA sostenida, además de estar ligado a una mayor tasa de mortalidad, aumenta la probabilidad de sufrir tromboembolismo, infarto de miocardio y accidentes cerebrovasculares. Por otro lado, los episodios de FA paro

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17

Susanto, Misfa. "Network Coding for Multihop Wireless Networks: Joint Random Linear Network Coding and Forward Error Correction with Interleaving for Multihop Wireless Networks." Thesis, University of Bradford, 2015. http://hdl.handle.net/10454/14864.

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Optimising the throughput performance for wireless networks is one of the challenging tasks in the objectives of communication engineering, since wireless channels are prone to errors due to path losses, random noise, and fading phenomena. The transmission errors will be worse in a multihop scenario due to its accumulative effects. Network Coding (NC) is an elegant technique to improve the throughput performance of a communication network. There is the fact that the bit error rates over one modulation symbol of 16- and higher order- Quadrature Amplitude Modulation (QAM) scheme follow a certain

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18

Suyama, Ricardo. "Proposta de metodos de separação cega de fontes para misturas convolutivas e não-lineares." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/260846.

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Orientador: João Marcos Travassos Romano<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-09T16:56:34Z (GMT). No. of bitstreams: 1 Suyama_Ricardo_D.pdf: 28793623 bytes, checksum: cf06bdad425402b4624bbd169bfad249 (MD5) Previous issue date: 2007<br>Resumo: O problema de separação cega de fontes (BSS - Blind Source Separation) vem despertando o interesse de um número crescente de pesquisadores. Esse destaque é devido, em grande parte, à formulação abrangente do problema, que torna possível o uso das

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19

Kadlčík, Libor. "Implementace rekonstrukčních metod pro čtení čárového kódu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220266.

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Bar code stores information in the form of series of bars and gaps with various widths, and therefore can be considered as an example of bilevel (square) signal. Magnetic bar codes are created by applying slightly ferromagnetic material to a substrate. Sensing is done by reading oscillator, whose frequency is modulated by presence of the mentioned ferromagnetic material. Signal from the oscillator is then subjected to frequency demodulation. Due to temperature drift of the reading oscillator, the demodulated signal is accompanied by DC drift. Method for removal of the drift is introduced. Also

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20

Yang, Shyue-Wen, and 楊學雯. "High Performance Linear Convolution Design and VLSI Implementation Based on Conjugate Polynomial Channel PRNS." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/08096312492402417256.

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碩士<br>國立雲林科技大學<br>電子與資訊工程研究所碩士班<br>92<br>Multiplication and addition are frequently used in DSP.　In general, large word length leads to decay the performance of the system. Because of the carry propagation is long. There have many kind of computing architecture to solve this problem. Nowadays, residue number system (RNS) is proposed. It can reduce word length of operand and reduce computing delay in internal arithmetic processing. Convolution is the heart of digital filter design. There will use too many multiplications in RNS. Convolution use Polynomial RNS will reduce number of multiplicatio

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21

Guerra, Rita Catarina Correia. "Generalizations of the Fourier transform and their applications." Doctoral thesis, 2019. http://hdl.handle.net/10773/29813.

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In this thesis, we consider a new generalization of the Fourier transform, depending on four complex parameters and all the powers of the Fourier transform. This new transform is studied in some Lebesgue spaces. In fact, taking into account the values of the parameters of the operator, we can have very different kernels and so, the corresponding operator is studied in different Lebesgue spaces, accordingly with its kernel. We begin with the characterization of each operator by its characteristic polynomial. This characterization serves as a basis for the study of the forthcoming propert

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22

"On computing the nested sums and infimal convolutions of convex piecewise-linear functions." Massachusetts Institute of Technology, Laboratory for Information and Decision Systems], 1990. http://hdl.handle.net/1721.1/3178.

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by Paul Tseng and Zhi-Quan Luo.<br>Cover title.<br>Includes bibliographical references (p. 24).<br>Research partially supported by the U.S. Army Research Office. DAAL03-86-K-0171 Research partially supported by a grant from the Science and Engineering Research Board of McMaster University.

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23

Bruwer, Christian S. "Correlation attacks on stream ciphers using convolutional codes." Diss., 2005. http://hdl.handle.net/2263/24740.

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This dissertation investigates four methods for attacking stream ciphers that are based on nonlinear combining generators: -- Two exhaustive-search correlation attacks, based on the binary derivative and the Lempel-Ziv complexity measure. -- A fast-correlation attack utilizing the Viterbi algorithm -- A decimation attack, that can be combined with any of the above three attacks. These are ciphertext-only attacks that exploit the correlation that occurs between the ciphertext and an internal linear feedback shift-register (LFSR) of a stream cipher. This leads to a so-called divide and conquer a

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24

Susanto, Misfa, Yim Fun Hu, and Prashant Pillai. "Joint random linear network coding and convolutional code with interleaving for multihop wireless network." 2013. http://hdl.handle.net/10454/9737.

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No<br>Abstract: Error control techniques are designed to ensure reliable data transfer over unreliable communication channels that are frequently subjected to channel errors. In this paper, the effect of applying a convolution code to the Scattered Random Network Coding (SRNC) scheme over a multi-hop wireless channel was studied. An interleaver was implemented for bit scattering in the SRNC with the purpose of dividing the encoded data into protected blocks and vulnerable blocks to achieve error diversity in one modulation symbol while randomising errored bits in both blocks. By combining the

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Zhen-JieHuang and 黃振傑. "A Restoration Algorithm for Damaged Satellite Images Based on Convolutional Neural Network and Linear Regression." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/k2u4j4.

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