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The currently common methods in automatic speech recognition and labeling are usually supervised which need manually labeled transcriptions. Considering the high cost and time-consuming especially in the acoustic model training stage, a new data selection method named Grammar-based Semi-Supervised Incremental Learning is proposed requiring only a small number of manually labeled data to initialize...
In order to suppress the EMD error generated by the noise and the order tracking more accurately, the SVD noise reduction method and order analysis method based on instantaneous frequency estimation are combined together. First, the phase space reconstruction and SVD noise reduction method is applied to the wind power gearbox vibration signal. Then the Hilbert - Huang transform is used to the ecompose...
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