Figure 8.
(a) Variation of the S11 parameter as a function of the frequency for different densities of the sediments for the antenna working at 1.3 GHz; (b) variation of the resonant frequency as a function of the density.
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.