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The quality‐concerned between‐phase transition analysis is performed and an improved calibration modeling strategy is designed for quality prediction and interpretation in multiphase batch processes. From the between‐phase viewpoint, the quality‐related phase behaviors are decomposed and two subspaces are separated. In common subspace, the underlying quality‐relevant variation stays invariable between...
An improved calibration modeling and statistical analysis algorithm is proposed for spectra quality interpretation and prediction is presented here. In a previous work, the frequency‐band varying characteristics of the underlying spectra over the entire wavelength were treated by separately analyzing the spectra in each sub‐band. Following that, the current major task lies in how to further comprehend...
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