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.
Preparatory steps for Dynamic Difference measures. Horizontal axes: Time. Vertical axes: Frequency (or frequency difference), in Hz. (Top) Original contours of “noytauf” (solid lines) and “noytauf” (dotted line). (Center) Contours after time warping. (Bottom) Difference curve, exhibiting the up-down-up (udu) pattern.
