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.
Absolute values of truncation term coefficients within the 5th percentile (gray) along with the boundary (black) separating them from the values outside of the 5th percentile for the first and the second middle ring radii coefficients α and β
