Figure 7.
(a) In-phase mode pattern in drive direction; (b) Anti-phase mode pattern in drive direction; (c) In-phase mode pattern in sense direction; (d) Anti-phase mode pattern in sense direction.
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.