Figure 9.
The frequency-response curves of the output power for the (a) 25 g and (b) 250 g PP harvesters employing CS, SC, and SF films under a base acceleration amplitude of 1 g.
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.