Noise margin measure

March 1, 2006.

Another function is been added to the TV Explorer.

Noise Margin value indicates how many dB's you could degrade the MER of a signal in order to reach VBER equal to QEF (2.10-4) or in other words how far we are from the QEF in terms of MER.

DVB-T COFDM
The MER of the signal in this picture, could still
be degraded additional 8.4 dB to get to the
VBER limit of acceptance 2.10-4.