Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Four data acquisition and analysis cases by the variations of the beamformer sound speed, cbf, and the depth calculation sound speed cz
| Case | Beamformer sound speed, cbf | Depth calculation sound speed, cz |
|---|---|---|
| Case I | 1540m/s | 1540m/s |
| Case II | 1540m/s | Uses each phantom’s sound speed |
| Case III | Match to each phantom’s sound speed | 1540m/s |
| Case IV | Match to each phantom’s sound speed | Uses each phantom’s sound speed |
