色温与坐标对应表

合方程参数(U V)拟合方程求导方程

a

0.2723697260.354023924#b 0.267325690.352795144#c 0.2626765050.351522873#d 0.2583833170.350217754#e 0.2544118160.34888902#f 0.2507316290.347544641#

0.2473158010.346191468#0.2441403520.344835364#0.24118390.343481322#0.2384273370.342133576#0.235853550.340795692#0.2334471810.339470663#0.2311944160.338160972#0.2290828090.336868672#0.2271011230.335595434#0.2252391970.334342604#0.2234878190.333111247#0.2218386320.331902185#0.2202840360.330716032#0.2188171110.329553221#0.2174315440.328414034#0.2161215690.327298623#0.2148819120.326207026#0.2137077390.325139188#0.2125946190.324094974#0.2115384790.323074182#0.2069911950.318311058#0.2034143560.314080236#0.2005529440.310326196#0.1982292790.306992472#0.1963168240.30402621#0.1947237060.301379946#0.1933820620.299012002#0.1922409760.296886237#0.1904143870.293241183#0.1874912120.286657937#0.1858023830.282327014#0.1839747910.277081174#

等

色

温线拟合的黑体等温线表达式公式色温与常用坐标对应表CIE 1960 黑体轨迹标准点CIE 1960

1.595292336-0.3477158830.4134469941.655586221-0.3633448870.4120740041.72787628-0.3844170460.4103770991.811764529-0.4104627280.4084113481.906259031-0.4407878960.406225406

2.010273078-0.4747109060.4038619532.122866771-0.5116646140.4013581792.243371812-0.5512391530.3987463052.371461939-0.5931983030.3960540932.50719677-0.6374838930.393305342.651052769-0.6842152070.3905203432.803950206-0.733687490.3877163262.967283984-0.7863728220.384907825

3.142966864-0.8429264940.3821070423.33349513-0.9042022930.3793241543.54204921-0.9712807710.3765675873.772645888-1.0455157970.37384426

4.03036576-1.1286069330.3711597984.321691625-1.2227090880.3685187154.655014372-1.3305977650.365924577

5.041399732-1.4559202930.3633801415.495776153-1.6035854040.360887475

6.038830282-1.7803849070.3584480646.700146689-1.9960232630.356062898

7.5236537-2.2649029910.353732554

8.577620516-2.6094017360.35145725628.42711562-

9.1116043450.340896484-22.35359937.5332006890.331625404-8.228717235 2.9041144070.323509817-5.155760097 1.8964272810.316402473-3.82623176 1.4596400910.310163735-3.091281719 1.2174422990.304669178-2.628456871 1.0642939640.299811282-2.3121330470.959112290.295498568-1.9108463020.8246306050.288211983-1.4482587130.6667197960.275405035-1.2480188390.5964578420.267230034-1.069404924

0.5319541150.257594151

等色温线斜率CIE1931

（k）CIE 1931等色温直线方

程中的常数（b 点斜方式，即在y轴截距）求等温线上的坐标值（y）