FFT analysis basic glossary
This is a glossary of basic terms related to FFT analysis and FFT analyzers. All descriptions are based on our company's FFT analyzer. Each term is linked to its definition.
(Please note that the terminology explained here may not be directly applicable to FFT analyzers from other manufacturers.)
Average value (MEAN)
RMS value
standard deviation SD
Skewness
KURTOSIS
CRESTFACT.
Sum and difference of dB
Average,
Normalized Average
exponential average
Peak Hold
Subtractive Average
Sweep average