A produção de mosaicos fotográficos é uma atividade de apoio bastante importante em diversas áreas tais como a geração de mapas, o monitoramento ambiental e o gerenciamento agrícola. A fotogrametria, e em especial a aerofotogrametria, é a ciência que trata, entre outros tópicos, da geração de mosaicos através de procedimentos trabalhosos, o que torna sua manutenção uma tarefa difícil e de alto custo. O Projeto ARARA (Aeronaves de Reconhecimento Assistidas por Rádio e Autônomas) representa uma alternativa de baixo custo para a aquisição de fotografias aéreas. Câmeras digitais de pequeno formato a bordo das aeronaves permitem a obtenção automática das fotografias necessárias para a geração de mosaicos. Este trabalho propõe uma metodologia para a geração e a atualização de mosaicos compostos por fotografias aéreas oblíquas digitais e de pequeno formato, adquiridas com o auxílio das aeronaves do Projeto ARARA. As fotografias podem ser submetidas a procedimentos que associam técnicas de ortoretificação e processamento digital de imagens para corrigir suas distorções geométricas e radiométricas. A metodologia apresentada neste trabalho procura evitar a necessidade de pontos de controle no solo e focaliza a geração automática ou semi-automática dos mosaicos. Procedimentos automáticos têm o potencial de permitir a utilização de uma grande quantidade de fotografias de pequeno formato em substituição às fotografias normalmente utilizadas pela aerofotogrametria convencional. / The generation of photographic mosaics is an important activity in many areas such as map production, environment monitoring and agricultural management. Photogrammetry, and specially aero-photogrammetry, are the sciences that deal, among other subjects, with mosaic generation using time consuming procedures, making the maintenance and updating of photographic mosaics a difficult and high-cost task. The ARARA Project (Autonomous and Radio Assisted Reconaissance Aircrafts), presents a low cost alternative to acquire aerial photographs. An onboard, small format digital camera can take automatically the photographs used for the mosaic generation. This work proposes a methodology for mosaic generation and updating using oblique, digital, small format aerial photographs taken by ARARA aircraft. Photographs can be corrected both geometrically and radiometrically by orthorectification and digital image processing procedures. The methodology presented in this work avoids the use of ground control points, focusing on the automatic and semi-automatic mosaic generation. An automatic procedure make possible the use of a large number of small format photographs to replace the photographs normally used in conventional aerophotogrammetry.

Dans cette thèse on calcule la fonction de Green des équations de Laplace et Helmholtz en deux et trois dimensions dans un demi-espace avec une condition à la limite d'impédance. Pour les calculs on utilise une transformée de Fourier partielle, le principe d'absorption limite, et quelques fonctions spéciales de la physique mathématique. La fonction de Green est après utilisée pour résoudre numériquement un problème de propagation des ondes dans un demi-espace qui est perturbé de manière compacte, avec impédance, en employant des techniques des équations intégrales et la méthode d'éléments de frontière. La connaissance de son champ lointain permet d'énoncer convenablement la condition de radiation dont on a besoin. Des expressions pour le champ proche et lointain de la solution sont données, dont l'existence et l'unicité sont discutées brièvement. Pour chaque cas un problème benchmark est résolu numériquement. On expose étendument le fond physique et mathématique et on inclut aussi la théorie des problèmes de propagation des ondes dans l'espace plein qui est perturbé de manière compacte, avec impédance. Les techniques mathématiques développées ici sont appliquées ensuite au calcul de résonances dans un port maritime. De la même façon, ils sont appliqués au calcul de la fonction de Green pour l'équation de Laplace dans un demi-plan bidimensionnel avec une condition à la limite de dérivée oblique.

This thesis consists of a summary and four scientific articles. All four articles consider various aspects of stochastic differential equations and the purpose of the summary is to provide an introduction to this subject and to supply the notions required in order to fully understand the articles. In the first article we conduct a thorough study of the multi-dimensional Skorohod problem in time-dependent domains. In particular we prove the existence of cádlág solutions to the Skorohod problem with oblique reflection in time-independent domains with corners. We use this existence result to construct weak solutions to stochastic differential equations with oblique reflection in time-dependent domains. In the process of obtaining these results we also establish convergence results for sequences of solutions to the Skorohod problem and a number of estimates for solutions, with bounded jumps, to the Skorohod problem. The second article considers the problem of determining the sensitivities of a solution to a second order parabolic partial differential equation with respect to perturbations in the parameters of the equation. We derive an approximate representation of the sensitivities and an estimate of the discretization error arising in the sensitivity approximation. We apply these theoretical results to the problem of determining the sensitivities of the price of European swaptions in a LIBOR market model with respect to perturbations in the volatility structure (the so-called ‘Greeks’). The third article treats stopped diffusions in time-dependent graph domains with low regularity. We compare, numerically, the performance of one adaptive and three non-adaptive numerical methods with respect to order of convergence, efficiency and stability. In particular we investigate if the performance of the algorithms can be improved by a transformation which increases the regularity of the domain but, at the same time, reduces the regularity of the parameters of the diffusion. In the fourth article we use the existence results obtained in Article I to construct a projected Euler scheme for weak approximation of stochastic differential equations with oblique reflection in time-dependent domains. We prove theoretically that the order of convergence of the proposed algorithm is 1/2 and conduct numerical simulations which support this claim.

This dissertation is a study of a remarkable change that came about in the kind of drawings that architects used to present their work between the decades of 1960 and 1990. Drawings in this period, visually rich and compositionally complex, seemed to mark an entirely new sensibility towards their function; their goal seemed to be not so much to clearly depict the forms of a proposed building, but to instead focus on its conceptual aspects. In fact, in several cases, drawings seemed to be treated as graphic projects in their own right, over and above the work they presented. This trend was accompanied by two other developments. Around the same time, there was a sudden increase in theoretical interest in drawings within the architectural community leading to a flurry of published articles, essays and books on the topic. And all this happened to coincide with the time that the Postmodern movement came to dominate architecture. The study aims to understand the relationship between these trends, and to develop a better understanding of the reasons for these changes to have occurred. It does so by, first, developing a theoretical framework to help understand the nature and impact of the changes in drawings. Next, it presents a detailed historical account of these changes. This is followed by an in-depth study of a single architect, James Stirling, to show how the new types of drawings were not simply a means to present ideas, but played a formative role in design as well. Apart from developing a contextualized historical account of an important development in contemporary architectural history, the study also finds that the change in the drawing practice and the theoretical interests were not simply an outcome of Postmodern cultural theory of the period, but were instigated by concerns that arose from within architecture itself. It thus offers a useful case-study on how changes in disciplinary practice are brought about.

Orientador: Vicente Pleitez / Resumo: O Modelo Padrão Efetivo é apresentado como um método consistente de parametrizar FísicaNova. Os conceitos de Matching e Power Counting são tratados, assim como a Expansão emDerivadas Covariantes introduzida como alternativa à construção do conjunto de operadoresefetivos resultante de um modelo UV particular. A técnica de integração funcional é aplicadaem casos que incluem o MP com Tripleto de Escalares e diferentes setores do modelo 3-3-1 napresença de Leptons pesados. Finalmente, o coeficiente de Wilson de dimensão-6 gerado a partirda integração de um quark-J pesado é limitado pelos valores recentes do parâmetro obliquo Y. / Doutor

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The diffusion of the learning virtual environments use shows a great potential to the applications development that meet the needs in the education area. In view of the importance of a more dynamic application and one that can adapt itself to the needs of the students, it was proposed and developed the U-SEA (oblique adapted teaching system). This system was built based on the learning virtual environment Moodle and on the module Mle-Moodle, available in an infrastructure of Cloud-Computing and has as a main finality the adaptation to the student's computing context, envisioning technical characteristics as the adequacy of the environment to the user's speed connection. The results gotten showed the feasibility of working with systems that are sensitive to the context, bringing improvements to the students' access to the materials and tools. / A difusão do uso dos ambientes virtuais de aprendizagem apresenta um grande potencial para desenvolvimento de aplicações que atendam necessidades na área da educação. Tendo em vista a importância de uma aplicação mais dinâmica e que consiga se adaptar continuamente as necessidades dos estudantes, foi proposto e desenvolvido o U-SEA (Sistema de Ensino Adaptado Ubíquo). Esse sistema foi construído com base no ambiente virtual de aprendizagem Moodle e no Módulo Mle-Moodle, disponibilizado em uma infraestrutura de Cloud Computing e tem como principal finalidade a adaptação ao contexto computacional do aluno, vislumbrando características técnicas como a adequação do ambiente a velocidade de conexão do usuário. Os resultados obtidos demonstraram a viabilidade de se trabalhar com sistemas sensíveis ao contexto, trazendo melhorias no acesso dos estudantes aos materiais e ferramentas.

Submitted by FAGNER CINTRA CORREIA null (ccorreia@ift.unesp.br) on 2017-09-24T14:11:35Z No. of bitstreams: 1 Correia_TeseIFT.pdf: 861574 bytes, checksum: 1829fcb0903e20303312d37d7c1e0ffc (MD5) / Approved for entry into archive by Monique Sasaki (sayumi_sasaki@hotmail.com) on 2017-09-27T19:37:47Z (GMT) No. of bitstreams: 1 correia_fc_dr_ift.pdf: 861574 bytes, checksum: 1829fcb0903e20303312d37d7c1e0ffc (MD5) / Made available in DSpace on 2017-09-27T19:37:47Z (GMT). No. of bitstreams: 1 correia_fc_dr_ift.pdf: 861574 bytes, checksum: 1829fcb0903e20303312d37d7c1e0ffc (MD5) Previous issue date: 2017-07-27 / Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / O Modelo Padrão Efetivo é apresentado como um método consistente de parametrizar Física Nova. Os conceitos de Matching e Power Counting são tratados, assim como a Expansão em Derivadas Covariantes introduzida como alternativa à construção do conjunto de operadores efetivos resultante de um modelo UV particular. A técnica de integração funcional é aplicada em casos que incluem o MP com Tripleto de Escalares e diferentes setores do modelo 3-3-1 na presença de Leptons pesados. Finalmente, o coeficiente de Wilson de dimensão-6 gerado a partir da integração de um quark-J pesado é limitado pelos valores recentes do parâmetro obliquo Y. / It will be presented the principles behind the use of the Standard Model Effective Field Theory as a consistent method to parametrize New Physics. The concepts of Matching and Power Counting are covered and a Covariant Derivative Expansion introduced to the construction of the operators set coming from the particular integrated UV model. The technique is applied in examples including the SM with a new Scalar Triplet and for different sectors of the 3-3-1 model in the presence of Heavy Leptons. Finally, the Wilson coefficient for a dimension-6 operator generated from the integration of a heavy J-quark is then compared with the measurements of the oblique Y parameter. / CNPq: 142492/2013-2 / CAPES: 88881.132498/2016-01

Made available in DSpace on 2015-03-13T17:08:37Z (GMT). No. of bitstreams: 1 AndreJPCB_DISSERT.pdf: 4384821 bytes, checksum: f23022c7fe9a0e10cf6b38d62f412fc4 (MD5) Previous issue date: 2013-06-17 / The physical structural modeling tool is being increasingly used in geology to provide information about the evolutionary stages (nucleation, growth) and geometry of geological structures at various scales. During the simulations of extensional tectonics, modeling provides a better understanding of fault geometry and evolution of the tectonic-stratigraphic architecture of rift basins. In this study a sandbox type apparatus was used to study the nucleation and development of basins influenced by previous structures within the basement, variably oriented as regards to the main extensional axis. Two types of experiments were conducted in order to: (i) simulate the individual (independent) development of half-grabens oriented orthogonal or oblique to the extension direction; (ii) simulate the simultaneous development of such half-grabens, orthogonal or oblique to the extension direction. In both cases the same materials (sand mixed with gypsum) were used and the same boundary conditions were maintained. The results were compared with a natural analogue represented by the Rio do Peixe Basin (one of the eocretaceous interior basins of Northeast Brazil). The obtained models allowed to observe the development of segmented border faults with listric geometry, often forming relay ramps, and the development of inner basins faults that affect only the basal strata, like the ones observed in the seismic sections of the natural analogue. The results confirm the importance of basement tectonic heritage in the geometry of rift depocenters / A modelagem estrutural f?sica ? uma ferramenta cada vez mais usada na geologia para fornecer informa??o sobre os diversos est?gios evolutivos (nuclea??o, desenvolvimento) e geometria de estruturas geol?gicas em v?rias escalas. No caso particular da simula??o da tect?nica distensional, a modelagem proporciona uma melhor compreens?o da geometria e evolu??o de falhas e da arquitetura tectonoestratigr?fica de bacias rifte. Neste trabalho foi utilizado um aparato tipo caixa de areia para estudar a nuclea??o e desenvolvimento de bacias influenciadas por estruturas pr?vias no embasamento, com trend vari?vel em rela??o ? dire??o de distens?o. Para tal, foram realizados dois tipos de experimentos para: (i) simular o desenvolvimento individual (independente) de semigr?ben com abertura ortogonal ou obl?qua ? dire??o de distens?o; (ii) simular o desenvolvimento simult?neo desses semigr?ben ortogonais ou obl?quos ? dire??o de distens?o. Em ambos os casos foi utilizado o mesmo material (mistura de areia e gesso) e mantidas as condi??es de contorno. Os resultados obtidos foram comparados com um an?logo natural representado pela Bacia do Rio do Peixe (uma das bacias interiores eocret?ceas do Nordeste do Brasil). Os modelos permitiram observar o desenvolvimento segmentado das falhas de borda, com geometria l?strica, frequentemente formando rampas de revezamento, al?m do desenvolvimento de falhas internas ?s bacias localizadas nas suas por??es mais basais, similares ?quelas observadas nas se??es s?smicas do an?logo natural. Os resultados confirmam a influ?ncia da heran?a tect?nica do embasamento na geometria dos depocentros rifte

A produção de mosaicos fotográficos é uma atividade de apoio bastante importante em diversas áreas tais como a geração de mapas, o monitoramento ambiental e o gerenciamento agrícola. A fotogrametria, e em especial a aerofotogrametria, é a ciência que trata, entre outros tópicos, da geração de mosaicos através de procedimentos trabalhosos, o que torna sua manutenção uma tarefa difícil e de alto custo. O Projeto ARARA (Aeronaves de Reconhecimento Assistidas por Rádio e Autônomas) representa uma alternativa de baixo custo para a aquisição de fotografias aéreas. Câmeras digitais de pequeno formato a bordo das aeronaves permitem a obtenção automática das fotografias necessárias para a geração de mosaicos. Este trabalho propõe uma metodologia para a geração e a atualização de mosaicos compostos por fotografias aéreas oblíquas digitais e de pequeno formato, adquiridas com o auxílio das aeronaves do Projeto ARARA. As fotografias podem ser submetidas a procedimentos que associam técnicas de ortoretificação e processamento digital de imagens para corrigir suas distorções geométricas e radiométricas. A metodologia apresentada neste trabalho procura evitar a necessidade de pontos de controle no solo e focaliza a geração automática ou semi-automática dos mosaicos. Procedimentos automáticos têm o potencial de permitir a utilização de uma grande quantidade de fotografias de pequeno formato em substituição às fotografias normalmente utilizadas pela aerofotogrametria convencional. / The generation of photographic mosaics is an important activity in many areas such as map production, environment monitoring and agricultural management. Photogrammetry, and specially aero-photogrammetry, are the sciences that deal, among other subjects, with mosaic generation using time consuming procedures, making the maintenance and updating of photographic mosaics a difficult and high-cost task. The ARARA Project (Autonomous and Radio Assisted Reconaissance Aircrafts), presents a low cost alternative to acquire aerial photographs. An onboard, small format digital camera can take automatically the photographs used for the mosaic generation. This work proposes a methodology for mosaic generation and updating using oblique, digital, small format aerial photographs taken by ARARA aircraft. Photographs can be corrected both geometrically and radiometrically by orthorectification and digital image processing procedures. The methodology presented in this work avoids the use of ground control points, focusing on the automatic and semi-automatic mosaic generation. An automatic procedure make possible the use of a large number of small format photographs to replace the photographs normally used in conventional aerophotogrammetry.

The electrical motors parameters identification is solved in this master’s thesis using subspace based methods. Electrical motors are simulated in Matlab/Simulink interactive environment, specifically permanent magnet DC motor and permanent magnet synchronous motor. Identification is developed in Matlab interactive environment. Different types of subspace algorithms are used for the estimation of parameters. Results of subspace parameters estimation are compared with least squares parameters estimation. The thesis describes subspace method, types of subspace algorithms, used electrical motors, nonlinear approach of identification and comparation of parameters identification.