EXFO PSO-200 Optical Modulation Analyzer - Manual (Page 252)

Coherent Detection and Sampling Methods
244 PSO-200
Signal Processing Algorithms
Signal Processing Algorithms
The signal processing algorithms of the PSO-200 reconstruct the waveform
of the signal under test from the set of four parallel data streams acquired
by the data acquisition card. The main processing steps are shown and
explained below:
Input Data
From ADC
Polarization
Demultiplexing
Time
Reconstruction
IF Recovery
Data
Alignment
Data
Analysis
Display