211 resultados para Códigos de controle de erros (Teoria da informação)


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Ciências Cartográficas - FCT

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Pós-graduação em Docência para a Educação Básica - FC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Braking visual control was studied in recreational cyclists through the manipulation of bicycle’s velocity at braking initiation (low, medium, and high) and approaching trajectory (straight and curved) with respect to a stationary obstacle. The hypothesis was that the type of trajectory, exclusively or interacting with initial velocity, would affect time to collision visual information (tau margin) and its fi rst derivative in time (tau-dot), respectively, in the onset and during braking. The results revealed that velocity affected signifi cantly tau margin while tau-dot remained unaltered independently of condition. The type of trajectory clearly did not affect the visual control of braking in cyclists.

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The information is centralized on the oligopolistic control of large media conglomerates. Due to the oligopoly of the sources and agencies, can be seen by reviewing the programs for the transmission of information from different stations, there is a minimum difference maintained only for the sources of information of local character. The purpose of this article refers to present concepts and communication proccess for the transmission of information may serve as a stimulus for the generation of knowledge.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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This paper presents a multi-agent architecture that was designed to develop processes supervision and control systems, with the main objective to automate tasks that are repetitive and stressful, and error prone when performed by humans. A set of agents were identified, based on the study of a number of applications found in the literature, that use the approach of multi-agent systems for data integration and process monitoring to faults detection and diagnosis, these agents are used as basis of the proposed multi-agent architecture. A prototype system for the analysis of abnormalities during oil wells drilling was developed.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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The information is centralized on the oligopolistic control of large media conglomerates. Due to the oligopoly of the sources and agencies, can be seen by reviewing the programs for the transmission of information from different stations, there is a minimum difference maintained only for the sources of information of local character. The purpose of this article refers to present concepts and information guiding the radio programs and is in consensus with mediation in the communication process for the transmission of information may serve as a stimulus for the generation of knowledge.

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This paper presents a technique to add flexibility in the control of power electronic converters. The power converter can function as an active power filter, as a local power source interface or perform both functions i. e. mitigate current disturbances and inject power into the grid simultaneously, configuring it as a multifunctional device. The main goal is to extract the full capability of the grid connected power electronic converter to achieve maximum benefits. To achieve this goal, the orthogonal current decomposition of the Conservative Power Theory is used. Each orthogonal current component is weighted by means of different compensation factors (k_i), which are set instantaneously and independently, in any percentage by means of the load performance factors (λ_i), providing an online flexibility in relation to compensation objectives. Finally, to validate the effectiveness and performance the proposed approach, simulations and experimental results are presented.

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Pós-graduação em Química - IQ

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A competição nos mercados, o fácil acesso a informação tornou a estratégia, nas últimas décadas, um campo de estudos e de essencial importância para o crescimento e desenvolvimento das companhias, um aliado para a empresa se diferenciar no mercado, conseguindo destaque e atingir seus objetivos, minimizando riscos. Esse artigo tem como objetivo, demonstrar duas correntes de formulação estratégica, sendo uma teoria do Posicionamento, tendo como principal mentor Michael Porter, e a segunda a teoria do Planejamento, sendo Chiavenato como principal autor. Após isso, será caracterizado o setor do Agronegócio brasileiro, que possui um papel fundamental no cenário econômico nacional, que irá subsidiar a análise estratégica e estudo de caso da empresa JBS S.A. O objetivo final é entender o processo estratégico da empresa e caracteriza-lo de acordo com as teorias apresentadas

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Pós-graduação em Letras - IBILCE