N

L

L1

40 ×40

1.7628E−02

-

2.8709E−03

-

80 ×80

6.8424E−03

1.3653

6.1231E−04

2.2292

160 ×160

2.5751E−03

1.4099

1.2469E−04

2.2959

320 ×320

9.8125E−04

1.3919

2.6001E−05

2.2617

640 ×640

3.5785E−04

1.4553

5.5150E−06

2.2371

1280 ×1280

1.2738E−04

1.4902

1.1576E−06

2.2522