Qi Xiangdong

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With the huge increase in popularity of high definition applications, the traditional media player can not meet the demand for high-definition media broadcasting nowadays. This paper is focused on the system design of a next-generation progressive high definition media player based on Sigma Designs EM8623L, which adopted an embedded platform architecture(More)
Abstract: As for the non-linearity and non-stationary characteristics of the vibration signals of urban railway gearbox, an efficient method for gearbox fault detection and diagnosis based on EMD (empirical mode decomposition) and Elman neural network is proposed. First of all, the original signals are decomposed into a number of IMFs (intrinsic mode(More)
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