Dealiasing
Undoing the fold that happens when wind is faster than the radar can measure directly, so a fast couplet reads correctly.
Related
- Velocity (V) Motion toward or away from the radar along the beam. Green toward, red away.
- Storm-relative velocity Velocity with the storm's own travel subtracted, so rotation stops hiding inside the storm's motion.
See it on real storms: open the radar, or read reading the radar.