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Near infrared diffuse reflectance spectra of 52 tea polyphenol powder samples were collected with FT-NIR spectrometer. The calibration models of total catechins(TC) were established with back-propagation artificial neuron network(BP-ANN) and radical based function artificial neuron network (RBF-ANN) and optimized with prediction sample set. The result showed that the RBF-ANN model is better than the...
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