National Instruments Order Analysis Toolset - Manual (Page 60)

Glossary
LabVIEW Order Analysis Toolset User Manual G-2 ni.com
F
FFT Fast Fourier transform.
fundamental component Portion of a signal whose frequency is at the fundamental frequency.
G
Gabor coefficient The result of Gabor transform.
Gabor expansion The inverse Gabor transform used on Gabor coefficients to recover a time
domain input signal.
Gabor transform One of the invertible joint time-frequency transforms.
H
harmonic Frequencies that are integer or fractional multiples of a fundamental
frequency.
L
LMSE Least mean square error.
N
Nyquist frequency Half the sampling frequency. Any analog frequency component above
the Nyquist frequency will, after sampling, be converted, or aliased, to a
frequency below the Nyquist frequency. See also
aliasing and anti-aliasing
filter .
O
order A harmonic related to the rotational speed of a machine.
order analysis The analysis of harmonics related to rotational speed. The application of
harmonic analysis to rotating machinery