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.
(Color online) Experimental cross-sectional contour plots of line targets with different transmit focal configurations and beamforming methods. (a) Complete data set sampling for reference. (b),(d),(f) Focused, plane, and diverging, respectively, wave transmits processed with conventional virtual source methods and (c),(e),(g) with REFoCUS.
