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.
Graph highlighting target trajectories (blue lines) and tracked trajectories (gray lines) within the X–Y cartesian plane: (A) square shaped; (B) circular shaped. The gray lines starting at the origin represent the path to reach the target trajectories.
