Fig. 4.
Rejection of external magnetic disturbance. (a) External noise field before (top) and after (bottom) SSP. (b) The same noise field presented in frequency domain.
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.