Figure 3.
A: A macro pixel consists of 4×4 sub-pixels of size 0.225 mm × 0225 mm. Each sub-pixel uses two energy thresholds. B: The notation used in the macro mode.
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.