OPI-210 Optical Flicker Test System
- Technical Specifications
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* Photo diode : silicone photodiode, effective section area :100mm2, Mismatching factor : f1’<1.5% Class L
* Equipment Sampling Rate : 5 kHz
* Calculate Flicker Index and Percent Flicker
- Measurement algorithm
a. Frequency: Detect frequency using fourier transform
b. Percent flicker: 100 X ( A – B ) / ( A + B )
c. Flicker index : Area1 / ( Area1 + Area2 )
< Frequency ONE CYCLE detected by fourier transform>