The Phase Dispersion Minimization (PDM) analysis

The PDM analysis is described by Stellingwerf 1978 1. It is a tool to find (eventually nonsinusodial) periodic variation in time series data by minimizing the dispersion of the folded data set. The dispersion is obtained bin-wise.

1

Stellingwerf 1978, “Period determination using phase dispersion minimization”, 1978ApJ…224..953S