Fig 14. Normalized power spectra of non-pregnant dummy intervals of signals S1, S2, S3, and TOCO of the records of the TPEHGT DS.
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.