CFRP	Carbon fiber reinforced plastic
OESM	Optoelectronic strain measurement
ADC	Analog-to-digital converter
r	Radius in polar coordinates
$\theta$	Angle in polar coordinates
D	Duty cycle
t	Time
u	Deformation
${\epsilon }_r$	Radial strain
$d_{\Delta ,Thresh}$	Required resolution of the threshold position
$N_{lobe}$	Number of lobes in the OESM pattern
$\sigma$	Standard deviation of a normal distribution
${\sigma }_{edge}$	Standard deviation of the edge noise
${\Delta }_{thresh}$	Threshold position shift
${\sigma }_{\Delta ,thresh}$	Standard deviation of the threshold position shift
$I_{PD}$	Reverse photo diode current
$R_{input}$	Input resistance of the USB oscilloscope
$V_{Bat}$	Battery voltage
$\varphi$	Incidence angle
$\alpha$	Emergent angle
${\Delta }_{\alpha }$	Emergent angle variation
${\sigma }_{\Delta \alpha }$	Standard deviation of emergent angle variation
h	Distance between OESM sensor and flywheel surface
${\Delta }_h$	h variation
${\sigma }_{\Delta h}$	Standard deviation of h variation
$R_0$	Reflection coefficient
${\sigma }_{R0}$	Standard deviation of the reflection coefficient noise
$P_0$	Laser power (optical)
${\sigma }_{P0}$	Standard deviation of laser power
$T_s$	ADC sample period
$f_s$	ADC sample frequency
v	Paint edge Variant A or B
n	Variable source of uncertainty
$N_v$	Number of measurement to average