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Noise Floor determination

Question asked by brian@boeing on Jun 2, 2011
Latest reply on Jul 1, 2011 by brian@boeing
I am creating a program (SCPI commands) that is to be used with the PXA signal analyzer. This instrument is replacing an older one from another manufacturer. I am going through the existing requirements and trying to map the functionality to this unit.

One reads:
Noise Floor - Executes a probability density function in amplitude and returns the amplitude having the greatest number of signal responses. This is a convenient way of determining where the noise floor is.

Does the instrument have a convenient way to determine the noise floor without a calculation? If not, has anyone done something like this, maybe point me towards an algorithm?