硝酸盐腌肉中硝酸盐添加量的判别分析
摘要
本文利用Vis/NIR高光谱对硝酸盐腌肉中亚硝酸钠的添加量进行判别分析,选用4种方法对原始光谱进行预处理,建立全波段和特征波段的PLSDA模型。结果表明:经SNV预处理后PLSDA判别模型校正集准确率为88%,预测集准确率为81%。
引文
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[3]Yan H,Song X,Tian K,et al.A modification of the bootstrappings of tshrinkage approach for spectral variable selection in the issue of over-fitting,model accuracy and variable selection credibility[J].Spectrochimica acta Part A Molecular and biomolecular spectroscopy,2019,210:362-71.