Response values of electronic nose for detecting odor of preblossom and postblossom Radix Peucedani were subjected to principal component analysis and discriminant factor analysis (DFA) to establish characteristic fingerprints. In addition, statistical quality control analysis (SQC) was conducted.
采用电子鼻检测开花前后两种前胡样品气味在传感器上的响应值，采用主成分分析法(PCA)、判别因子分析法(DFA)进行分析，建立气味指纹图，并进行统计质量控制分析(SQC)。
参考来源 - 基于电子鼻技术分析早薹对前胡气味的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
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