The effects of number of principal component, range of wavelength, differentiation and smoothing of raw spectra on model were investigated.
研究主成分数、建模谱区、求导和平滑预处理技术对定量分析模型的影响。
The paper sets up a risk early-warning model using the methods of BP neural network and principal component analysis.
本文运用BP神经网络和主成分分析相结合的方法构建了一个商业银行风险预警模型。
This paper, by using the principal component analysis method, establishes a mathematical model for overall evaluating the water pollution control engineering.
本文应用主分量分析法建立一个综合评价水污染控制工程的数学模型。
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