The same function constants as in Table 2, but now representing rms and peak SPL received by the bat, corrected for geometric spreading,atmospheric attenuation and target reflection characteristics
. | rms SPL . | . | . | Peak SPL . | . | . | ||||
---|---|---|---|---|---|---|---|---|---|---|
Individual . | Small sphere . | Big sphere . | Mealworm . | Small sphere . | Big sphere . | Mealworm . | ||||
1 | 18.0 | 34.7 | 36.4 | 21.6 | 41.7 | 40.1 | ||||
2 | 20.2 | 36.0 | 37.5 | 25.2 | 40.7 | 42.0 | ||||
3 | 16.5 | 33.2 | 36.0 | 19.7 | 36.3 | 39.1 | ||||
4 | 17.2 | 37.1 | 35.5 | 23.0 | 42.3 | 39.2 | ||||
Mean | 18.0 | 35.2 | 36.3 | 22.4 | 40.3 | 40.1 |
. | rms SPL . | . | . | Peak SPL . | . | . | ||||
---|---|---|---|---|---|---|---|---|---|---|
Individual . | Small sphere . | Big sphere . | Mealworm . | Small sphere . | Big sphere . | Mealworm . | ||||
1 | 18.0 | 34.7 | 36.4 | 21.6 | 41.7 | 40.1 | ||||
2 | 20.2 | 36.0 | 37.5 | 25.2 | 40.7 | 42.0 | ||||
3 | 16.5 | 33.2 | 36.0 | 19.7 | 36.3 | 39.1 | ||||
4 | 17.2 | 37.1 | 35.5 | 23.0 | 42.3 | 39.2 | ||||
Mean | 18.0 | 35.2 | 36.3 | 22.4 | 40.3 | 40.1 |
SPL, sound pressure level; rms, root mean square.
The differences in emitted intensity between the different targets displayed in Table 2 were taken into account.
Throughout prey capture, the echoes from the small sphere are 17-18 dB weaker than the echoes from the big sphere and mealworm.