RMS	Root mean square
Aut	Autocorrelation
DC	Direct current
FFT	Fast Fourier transform
F0	Fundamental frequency
F1	2nd component frequency
F2	3rd component frequency
F3	4th component frequency
F4	5th component frequency
M0	Fundamental frequency magnitude
M1	2nd component magnitude
M2	3rd component magnitude
M3	4th component magnitude
M4	5th harmonic magnitude
$\overline{X}$	Arithmetic mean
$S_x$	Sample standard error
S	Sample standard deviation
$S(\%)$	Sample standard deviation percentage
K	Kurtosis coefficient
$As$	Coefficient of asymmetry
H	Sample range
$Min$	Minimum sample value
$Max$	Maximum sample value
LED-IR	Infrared light emitting diode
MFB	Multiple feedback
Mag	Magnitude
CAEA	Algorithm of automatic extraction of characteristics
PEDA	Algorithm of detection of events of passage