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Here is a method besed on CIE1931 system: C<9GdN
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1) Try to find the intersection point of CIE1931 standrad curve and the following line: ,38M6yD
y=k*(x-0.3333) + 0.3333 ?Q"<AL>Z
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k=(yo-0.3333)/(xo-0.3333) and (xo,yo) is the known color coordintae point. _](y<O^9yO
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2) the wavelength of the intersection point will be the dominant wave to be determined. $ `\qY ^.(
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If you need further help, I can share an Excel file. <<gW`KF
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Let me know how thing's going. iumwhb
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Hope helpful. \/SOpC
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Mang