=== Sum of Difference ===
This module, also known as Minimizes the 'Sum of Absolute Difference ' (SAD), is used to re-synchronize also known as 'Sum of Absolute Error'. Uses a portion of one of the traces as in the case of signals with time jitter'reference'. See [[Sum This reference is then slid over the 'input window' for each trace, and the amount of Absolute Difference (shift resulting in the minimum SAD) Pre-Processing]]criteria is selected as the shift amount for that trace.