Exfo FTB-5500B PMD Analyzer Manual de usuario descargar pdf (Pagina 39)

Setting Up the Polarization Mode Dispersion Analyzer

Polarization Mode Dispersion Analyzer 31

Averaging Measurements

When you need extreme precision, you can add one polarization

scrambler at the source output port and one at the receiver input port and

use the averaging-measurements mode.

This testing mode will average the interferometric envelops at several

states of polarization, which allows very precise measurements. If you

intend to use this mode, you must provide a number of measurements

(scans) corresponding to the number of polarization states to test.

To average measurements:

1. From the main window, click the Parameters tab, select the Use

Averaging-Measurements Mode check box.

2. In the Measurement Count box, enter the number of measurements

that will be performed during the averaging process.

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Exfo FTB-5500B PMD Analyzer Manual de usuario Pagina 39