Methods: The similarities of honeysuckle chromatography fingerprints were calculated by the methods of correlation coefficients and angle cosine with or without retention time correction and signal standardization.
方法:对金银花药材指纹图谱进行保留时间和峰面积校正,分别使用相关系数法和夹角余弦法计算处理前后图谱间相似度。
Feature vector is extracted from the details and approximation of fault signal, and standardization is carried out by comparison to that of the corresponding normal signal.
从细节系数和相似系数提取特征矢量表征换相失败故障,并对比正常信号将其标准化。
Detection of climate signal in dendro chronological data analysis: a comparison of tree-ring standardization methods.
在树木年代学资料分析里气候信号的发现:年 轮标准方法的比较.
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