结合拉曼光谱主成分分析-线性判别进行蛇纹石玉产地溯源的探索

叶旭^1,², 杨炯^2,^3,^*, 丘志力^1,², 岳紫龙¹

An Exploration of Geographic Determination of Serpentine Jade by Raman Spectroscopy Combined With Principal Component Analysis and Linear Discriminant Analysis

YE Xu^1,², YANG Jiong^2,^3,^*, QIU Zhi-li^1,², YUE Zi-long¹

Covariance法的PCA得分图