r (m)

L (dB)

1/r2 (m−2)

I (W∙m−2)

0.3

52.8

11.111

1.905E−7

0.325

52.1

9.467

1.622E−7

0.35

51.5

8.163

1.413E−7

0.375

50.7

7.111

1.175E−7

0.4

50.2

6.250

1.047E−7

0.425

49.9

5.536

9.772E−8

0.45

49.3

4.938

8.511E−7

0.475

48.6

4.432

7.244E−8

0.5

48.3

4.000

6.761−8

0.525

47.8

3.628

6.026E−8

0.55

47.5

3.306

5.623E−8

0.575

47.0

3.025

5.012E−8

0.6

46.6

2.778

4.571E−8

0.75

45.1

1.779

3.236E−8

0.9

44.4

1.235

2.754E−8

1.2

43.3

0.694

2.138E−8

1.8

41.1

0.309

1.288E−8

2.4

38.3

0.174

6.761E−9

3

36.4

0.111

4.365E−9