Component

Original spectrum

Component

The first derivative spectrum of reciprocal logarithm

Contribution rate/%

Cumulative contribution rate/%

Contribution rate/%

Cumulative contribution rate/%

1

94.506

94.506

1

54.746

54.746

2

3.222

97.728

2

9.907

64.653

3

1.583

99.311

3

5.256

69.909

4

0.438

99.749

4

4.222

74.131

5

0.096

99.846

5

3.718

77.849

6

0.087

99.933

6

3.273

81.122

7

0.025

99.958

7

2.597

83.719

8

0.016

99.974

8

2.436

86.155

9

0.011

99.985

9

1.911

88.066

10

0.005

99.991

10

1.522

89.588

11

0.003

99.994

11

1.322

90.910

12

0.002

99.996

12

1.151

92.061