Glossary of Basic Terms for FFT Analysis
This is a glossary of basic terms related to FFT analysis/FFT analyzers. All descriptions are based on our company's FFT analyzer. Each term is linked to its explanation.
(Please note that the content of the explanations here may not apply directly to FFT analyzers from other manufacturers.)
Mean MEAN
Root Mean Square rms
Standard Deviation SD
Skewness SKEWNESS
Kurtosis KURTOSIS
Crest Factor CRESTFACT.
the sum and difference of dB
Cumulative average,
normalized cumulative average
exponential average
peak hold
subtractive average
sweep average