Figure 3:
A normalized spectrogram of the LIGO-Livingston h(t) channel at the time of a blip transient. The color scale indicates excess signal energy of data normalized by an estimated power spectral 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.