Fig. 8.
Time series of (a) white noise, band limited at 1 Hz, (b) its integrated time series (Brown noise), (c) HRV from a young female and (d) HRV from an aged female.
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.