A light source correlated color temperature and color rendering index analysis method
A technology of correlated color temperature and color rendering index, applied in the direction of testing optical performance, etc., can solve the problems of high professional and technical requirements of personnel, low degree of automation, unfavorable online monitoring of light source manufacturers, etc., and achieves low professional and technical requirements of personnel and simplified measurement system. , the effect of high degree of automation
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. Dozens of representative light sources with known correlated color temperature and color rendering index are used as standard samples, and the irradiance spectrum of each light source in the (200-780) nm wavelength range is collected by a spectrometer, and standardized and screened. Then, a stepwise multiple linear regression (SMLR) model was established between the spectral matrix of the standard sample set and the corresponding correlated color temperature and color rendering index, and was optimized. Complete the collection and processing of the irradiance spectrum of the measured light source with reference to the standard sample, and use the established SMLR model to simultaneously test the correlated color temperature and color rendering index. figure 1 The process flow of the method is shown, and the specific steps are as follows:
[0026...
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