999 resultados para Folded SIR


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The bodies of only two of 60,000 Australians who died in the Great War have been repatriated. The first - Sir W. l Bridges - is known; the other is unknown: the body of an unknown Australian soldier was returned in 1993 and entombed in the Australian War Memorial. The return of each offers insight into the ways in which the experience of death in the Great War was changing modes of grief and commemoration. While Bridges' return allowed public expression of private grief under new and terrible circumstances, an evolving culture of commemoration in the Great War made the public celebration of the one, known, man largely incompatible with the private grief of thousands.

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In this paper, a new gain enhancement technique which is recommended for folded cascode LNA structures at low voltage and low power applications is presented. In order to increase power gain, a new modified version of gm-boosting technique is employed which increases the power gain while consuming no extra power. The new topology shares its DC current at the folded stage in order to reduce power dissipation associated with the gm-boosting technique. The proposed technique reduces power dissipation almost 27%, additionally; other parameters such as power gain and noise figure have been slightly improved. In the proposed LNA, power gain and noise figure are15dB and 3.2dB respectively. It consumes 1.3mW under 0.6 supply voltage.

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A survey of 30 early settlement squatters in Victoria, using their letters, diaries and memoirs to compile a regional history of colonial readers. The resulting reader-responses support the emerging interpretations of Affective Reading, rather than more conventional strategies of literary criticism (New Historicism and Discourse Analysis).

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In this paper we propose a framework for communicating performance art to deaf, blind and deafblind audiences and artists haptically through the sense of touch. This research opens doors for novel artistic trends relying mainly on the sense of touch. The paper investigates the design considerations dictated by solo and group dances as well as stage setup. Implementation scenarios for deafblind audiences and performers are also discussed.

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A presente investigação tem como objetivo realizar um estudo a respeito da Sala de Integração e Recursos (SIR), analisando seu papel na garantia da permanência e educabilidade dos alunos com necessidades educativas especiais, nas escolas regulares da Rede Municipal de Ensino de Porto Alegre. Este espaço constitui-se como um serviço de apoio vinculado à educação especial existente no ensino comum, onde atuo como educadora especial. Dentro dessa abordagem, mereceu destaque a perspectiva educacional inclusiva e seus pontos de conexão com a proposta político-pedagógica da referida rede de ensino. A pesquisa tem uma abordagem qualitativa e o instrumento utilizado para a coleta dos dados foi a entrevista semi-estruturada. Os sujeitos entrevistados foram cinqüenta e quatro professores do município de Porto Alegre, divididos em dois grupos, formados pelos professores que atuam na Sala de Integração e Recursos e pelos professores de sala de aula do ensino comum. A perspectiva metodológica utilizada para analisar as entrevistas foi a Análise de Conteúdo. Foram analisadas as concepções dos entrevistados em torno de três grandes eixos: Que espaço é esse? Quem é atendido nesse espaço? A construção de parcerias. Nesses eixos destacam-se aspectos relativos ao conceito e caracterização desse espaço; o perfil dos alunos encaminhados; critérios utilizados para encaminhamento e conclusão do atendimento; aspectos facilitadores e problemáticos presentes no processo de construção do espaço de interlocução entre os professores envolvidos no trabalho da SIR Os resultados indicam que existe um processo de construção de parcerias entre os professores da SIR e aqueles do ensino comum, cujos alunos são atendidos nesse espaço. Apesar das evidências de que a Rede Municipal de Ensino de Porto Alegre tem oferecido apoios relativos à inclusão, a discussão a esse respeito ainda encontra-se muito centrada no educador especial e no espaço da SIR.

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We propose new circuits for the implementation of Radial Basis Functions such as Gaussian and Gaussian-like functions. These RBFs are obtained by the subtraction of two differential pair output currents in a folded cascode configuration. We also propose a multidimensional version based on the unidimensional circuits. SPICE simulation results indicate good functionality. These circuits are intended to be applied in the implementation of radial basis function networks. One possible application of these networks is transducer signal conditioning in aircraft and spacecraft vehicles onboard telemetry systems. Copyright 2008 ACM.

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In this paper, we propose new circuits for the implementation of Radial Basis Functions (RBF). These RBFs are obtained by the subtraction of two differential pair output currents in a folded cascode configuration. We also propose a multidimensional version based on the unidimensional circuits. SPICE simulation and experimental results indicate good functionality. These circuits are intended to be applied in the implementation of radial basis function networks. Possible applications of these networks include transducer signal conditioning and processing in onboard telemetry systems for aircraft and spacecraft vehicles. © 2010 IEEE.

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Neste artigo tratamos da participação de Sir William Thomson na instalação do cabo telegráfico submarino entre Pernambuco e o Pará realizada pela Western and Brazilian Telegraph Company nos meses de agosto e setembro de 1873.

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In this work we present a discussion and the results of the simulation of disease spread using the Monte Carlo method. The dissemination model is the SIR model and presents as main characteristic the disease evolution among individuals of the population subdivided into three groups: susceptible (S), infected (I) and recovered (R). The technique used is based on the introduction of transition probabilities S-> I and I->R to do the spread of the disease, they are governed by a Poisson distribution. The simulation of the spread of disease was based on the randomness introduced, taking into account two basic parameters of the model, the power of infection and average time of the disease. Considering appropriate values of these parameters, the results are presented graphically and analysis of these results gives information on a group of individuals react to the changes of these parameters and what are the chances of a disease becoming a pandemic

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The folded plate girder, a newly proposed bridge girder, is investigated through this thesis. The folded plate girder is cold bent out of a single sheet of steel. The cold bending eliminates the costly and inconsistent shop welds found in traditional girders. The folded plate girder is meant for application in short span bridges. The girder was subjected to an equivalent 75 year lifetime loading to investigate the fatigue performance. The rebar detail used in the closure region between adjacent slabs has been investigated in the past by the NCHRP 12-68 project. This thesis will proposes a hooked rebar detail as a cost effective alternative to the previously recommended headed rebar detail. The proposed hooked rebar detail looks to improve upon the headed bar detail by increasing the clear cover, and reducing the cost of fabrication and shipment of the rebar. Six specimens containing closure regions are subjected to both positive and negative moment loading in order to investigate their behavior and failure modes under ultimate load.

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A new steel girder bridge system was developed at the University of Nebraska. The innovative girder design is a box girder folded from a single steel plate that has a trapezoid shape with an opening on the bottom. The girder has application in short span bridges and accelerated construction situations. The structural performance of the girder requires investigation in all stages of a bridge’s lifecycle. This thesis contains descriptions and results from the first two tests from a series of tests developed to evaluate this new girder shape. The objective of these two tests was to investigate the constructability of the girders. During construction a bridge is in its least stable condition and it is important that the bridge components exhibit both adequate strength and stability during this critical stage. To this end, two girders were tested in flexure over a simple span as a non-composite beam simulating the loading the girders would be subjected to during construction. The results of the two tests indicate that the folded girder as a whole, and its components, provide adequate strength and stability at construction load levels. Failure occurred at loads that were above normal construction load levels and resulted in a ductile failure mode, which is a well documented benefit of steel components. The girders remained stable through all phases of loading including failure. The top flange was the weakest component of the beam during construction due to its role as a compression element that has a slender and un-braced form. The compression in the top flange caused local buckling in the top flange even at elastic load levels. This was the cause for loss of stiffness and failure in both specimens. Incorporation of a ridge at the center of the top flange of specimens, results of which are not reported in this thesis, proved to resolve this very early buckling issue.