N

D

Δf

Lmax

Po_srs

10

1.21à5.53

416

2044

0.0160

20

1.35à7.13

197

1407

0.0113

30

1.51à8.60

129

1157

0.0092

40

1.68à9.94

96

1002

0.0080

50

1.87à11.15

76

898

0.0071

60

2.08à12.22

63.5

818

0.0065

70

2.30à13.16

54.3

757

00060

80

2.54à13.97

47.4

.

0.0056

90

2.81à14.65

42.1

.

0.0053

100

3.09à15.20

37.8

634

0.0050