Table III.
Axial resolution obtained from hydrophone measurements using pulse and chirp excitations.
| Pulse | Chirp without compression |
Chirp after compression |
|
|---|---|---|---|
| Axial resolution at −3 dB [mm] |
0.50 | 1.24 | 0.58 |
| Axial resolution at −20 dB [mm] |
1.59 | 3.84 | 2.15 |