995 resultados para Artificial organs


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[No abstract available]

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The Green Rosella Platycercus caledonicus nests primarily in hollows of living or dead eucalypt trees. This note describes an instance of Green Rosellas nesting in a wall cavity, and reviews other instances of nesting in artificial structures by this species. The building used in this instance appears to have been used by Green Rosellas in 2009 and 50 years earlier, in 1958.

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This paper presents a fast and accurate method for extracting the scattering parameters of a RF MEMS switch by using its essential parameters. A neural network is developed for parametric modeling of the switch. The essential parameters of the switch are analyzed in terms of its return loss and isolation with variation of its geometrical component values. Simulation results show that the proposed approach can be used to accurately model the RF characteristics of RF-MEMS switches. The results show good agreement between the neural network prediction and electromagnetic simulations.