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Here is a method besed on CIE1931 system: s8N\cOd#i
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: M%2F7 FY
y=k*(x-0.3333) + 0.3333 3F0:v,+;
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. &ExYul
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2) the wavelength of the intersection point will be the dominant wave to be determined. jlZW!$Iq
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If you need further help, I can share an Excel file. rx#\Dc}
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Let me know how thing's going. BqKh&m
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Hope helpful. uB:utg
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Mang