Fig. 3
From: Application of a two-dimensional phase unwrapping algorithm to lubricant film thickness measurement

Illustration of phase wrapping and continuous phase: (a) Schematic of phase wrapping; (b) Schematic of continuous phase.
From: Application of a two-dimensional phase unwrapping algorithm to lubricant film thickness measurement

Illustration of phase wrapping and continuous phase: (a) Schematic of phase wrapping; (b) Schematic of continuous phase.