A Terahertz Spectroscopy Nondestructive Identification Method for Rubber Based on CS-SVM

Table 2

Variance contribution rate and cumulative variance contribution rate of principal component.

Component	Variance/%	Cumulative rate/%
PC1	32.08	32.08
PC2	24.45	56.53
PC3	17.90	74.43
PC4	6.84	81.27
PC5	4.45	85.72
PC6	2.58	88.30
PC7	1.87	90.17
PC8	1.50	91.67
PC9	1.14	92.81
PC10	1.12	93.93