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Multiwavelets possess better properties than traditional wavelets. Multiwavelet packet transformation has more high-frequency information. Spectral entropy can be applied as an analysis index to the complexity or uncertainty of a signal. This paper tries to define four multiwavelet packet entropies to extract the features of different transmission line(More)
Luzhou-flavor liquor is one of the most popular liquors in China, produced by the distillation of Zaopei, a mixture of fermented and fresh cereals. The quality and flavor of Luzhou-flavor liquor are closely related to the multitudinous bacteria in Zaopei. Little is known about the effect of brewing seasons, a main operating parameter, on the bacterial(More)
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