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.
Anechoic cylinder (6.0 mm diameter) contrast in dB scale (mean and standard deviation) for the 2D (IC5‐9‐D) and 3D (RIC5‐9‐D) transducers, for the survey mode (a,b) and detail characterization acquisitions (c,d) in transverse planes. Mean ± SD with *, ** and *** indicating statistical significances P < 0.05, P < 0.01 and P < 0.001, respectively.
