Figure 9.
Finite-difference time-domain (FDTD) model of the floor: (a) model #1.1; (b) model #1.2; (c) model #1.3; (d) model #1.4.
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.